diff options
author | Pierre Ossman <drzeus@drzeus.cx> | 2007-07-22 22:18:46 +0200 |
---|---|---|
committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 08:46:48 +0200 |
commit | 17b0429dde9ab60f9cee8e07ab28c7dc6cfe6efd (patch) | |
tree | 9f87df1ffbeca4c6f828b7979f2e45ef898a3ef0 | |
parent | b7e113dc9d52c4a37d2da6fafe77959f3a28eccf (diff) | |
download | kernel_goldelico_gta04-17b0429dde9ab60f9cee8e07ab28c7dc6cfe6efd.zip kernel_goldelico_gta04-17b0429dde9ab60f9cee8e07ab28c7dc6cfe6efd.tar.gz kernel_goldelico_gta04-17b0429dde9ab60f9cee8e07ab28c7dc6cfe6efd.tar.bz2 |
mmc: remove custom error codes
Convert the MMC layer to use standard error codes and not its own,
incompatible values.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
-rw-r--r-- | drivers/mmc/card/block.c | 4 | ||||
-rw-r--r-- | drivers/mmc/core/core.c | 4 | ||||
-rw-r--r-- | drivers/mmc/core/mmc.c | 36 | ||||
-rw-r--r-- | drivers/mmc/core/mmc_ops.c | 34 | ||||
-rw-r--r-- | drivers/mmc/core/sd.c | 56 | ||||
-rw-r--r-- | drivers/mmc/core/sd_ops.c | 46 | ||||
-rw-r--r-- | drivers/mmc/host/at91_mci.c | 12 | ||||
-rw-r--r-- | drivers/mmc/host/au1xmmc.c | 32 | ||||
-rw-r--r-- | drivers/mmc/host/imxmmc.c | 14 | ||||
-rw-r--r-- | drivers/mmc/host/mmci.c | 12 | ||||
-rw-r--r-- | drivers/mmc/host/omap.c | 12 | ||||
-rw-r--r-- | drivers/mmc/host/pxamci.c | 12 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci.c | 51 | ||||
-rw-r--r-- | drivers/mmc/host/tifm_sd.c | 20 | ||||
-rw-r--r-- | drivers/mmc/host/wbsd.c | 41 | ||||
-rw-r--r-- | include/linux/mmc/core.h | 19 |
16 files changed, 203 insertions, 202 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 93fe2e5..0da341a 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -154,7 +154,7 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card) cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &cmd, 0); - if ((err != MMC_ERR_NONE) || !(cmd.resp[0] & R1_APP_CMD)) + if (err || !(cmd.resp[0] & R1_APP_CMD)) return (u32)-1; memset(&cmd, 0, sizeof(struct mmc_command)); @@ -192,7 +192,7 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card) mmc_wait_for_req(card->host, &mrq); - if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) + if (cmd.error || data.error) return (u32)-1; blocks = ntohl(blocks); diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index bfd2ae5..63b6729 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -598,7 +598,7 @@ void mmc_rescan(struct work_struct *work) mmc_send_if_cond(host, host->ocr_avail); err = mmc_send_app_op_cond(host, 0, &ocr); - if (err == MMC_ERR_NONE) { + if (!err) { if (mmc_attach_sd(host, ocr)) mmc_power_off(host); } else { @@ -607,7 +607,7 @@ void mmc_rescan(struct work_struct *work) * searching for MMC cards. */ err = mmc_send_op_cond(host, 0, &ocr); - if (err == MMC_ERR_NONE) { + if (!err) { if (mmc_attach_mmc(host, ocr)) mmc_power_off(host); } else { diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 21d7f48..fe483d5 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -164,10 +164,10 @@ static int mmc_read_ext_csd(struct mmc_card *card) BUG_ON(!card); - err = MMC_ERR_FAILED; + err = -EIO; if (card->csd.mmca_vsn < CSD_SPEC_VER_4) - return MMC_ERR_NONE; + return 0; /* * As the ext_csd is so large and mostly unused, we don't store the @@ -178,11 +178,11 @@ static int mmc_read_ext_csd(struct mmc_card *card) printk(KERN_ERR "%s: could not allocate a buffer to " "receive the ext_csd. mmc v4 cards will be " "treated as v3.\n", mmc_hostname(card->host)); - return MMC_ERR_FAILED; + return -ENOMEM; } err = mmc_send_ext_csd(card, ext_csd); - if (err != MMC_ERR_NONE) { + if (err) { /* * High capacity cards should have this "magic" size * stored in their CSD. @@ -197,7 +197,7 @@ static int mmc_read_ext_csd(struct mmc_card *card) "EXT_CSD, performance might " "suffer.\n", mmc_hostname(card->host)); - err = MMC_ERR_NONE; + err = 0; } goto out; } @@ -258,14 +258,14 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, /* The extra bit indicates that we support high capacity */ err = mmc_send_op_cond(host, ocr | (1 << 30), NULL); - if (err != MMC_ERR_NONE) + if (err) goto err; /* * Fetch CID from card. */ err = mmc_all_send_cid(host, cid); - if (err != MMC_ERR_NONE) + if (err) goto err; if (oldcard) { @@ -290,7 +290,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * Set card RCA. */ err = mmc_set_relative_addr(card); - if (err != MMC_ERR_NONE) + if (err) goto free_card; mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL); @@ -300,7 +300,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * Fetch CSD from card. */ err = mmc_send_csd(card, card->raw_csd); - if (err != MMC_ERR_NONE) + if (err) goto free_card; err = mmc_decode_csd(card); @@ -315,7 +315,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * Select card, as all following commands rely on that. */ err = mmc_select_card(card); - if (err != MMC_ERR_NONE) + if (err) goto free_card; if (!oldcard) { @@ -323,7 +323,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * Fetch and process extened CSD. */ err = mmc_read_ext_csd(card); - if (err != MMC_ERR_NONE) + if (err) goto free_card; } @@ -334,7 +334,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, (host->caps & MMC_CAP_MMC_HIGHSPEED)) { err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1); - if (err != MMC_ERR_NONE) + if (err) goto free_card; mmc_card_set_highspeed(card); @@ -363,7 +363,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, (host->caps & MMC_CAP_4_BIT_DATA)) { err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_4); - if (err != MMC_ERR_NONE) + if (err) goto free_card; mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); @@ -372,14 +372,14 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if (!oldcard) host->card = card; - return MMC_ERR_NONE; + return 0; free_card: if (!oldcard) mmc_remove_card(card); err: - return MMC_ERR_FAILED; + return -EIO; } /* @@ -413,7 +413,7 @@ static void mmc_detect(struct mmc_host *host) mmc_release_host(host); - if (err != MMC_ERR_NONE) { + if (err) { mmc_remove(host); mmc_claim_host(host); @@ -502,7 +502,7 @@ static void mmc_resume(struct mmc_host *host) err = mmc_init_card(host, host->ocr, host->card); mmc_release_host(host); - if (err != MMC_ERR_NONE) { + if (err) { mmc_remove(host); mmc_claim_host(host); @@ -565,7 +565,7 @@ int mmc_attach_mmc(struct mmc_host *host, u32 ocr) * Detect and init the card. */ err = mmc_init_card(host, host->ocr, NULL); - if (err != MMC_ERR_NONE) + if (err) goto err; mmc_release_host(host); diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 913e75f..15cd575 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -40,10 +40,10 @@ static int _mmc_select_card(struct mmc_host *host, struct mmc_card *card) } err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; - return MMC_ERR_NONE; + return 0; } int mmc_select_card(struct mmc_card *card) @@ -99,13 +99,13 @@ int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) for (i = 100; i; i--) { err = mmc_wait_for_cmd(host, &cmd, 0); - if (err != MMC_ERR_NONE) + if (err) break; if (cmd.resp[0] & MMC_CARD_BUSY || ocr == 0) break; - err = MMC_ERR_TIMEOUT; + err = -ETIMEDOUT; mmc_delay(10); } @@ -131,12 +131,12 @@ int mmc_all_send_cid(struct mmc_host *host, u32 *cid) cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR; err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; memcpy(cid, cmd.resp, sizeof(u32) * 4); - return MMC_ERR_NONE; + return 0; } int mmc_set_relative_addr(struct mmc_card *card) @@ -154,10 +154,10 @@ int mmc_set_relative_addr(struct mmc_card *card) cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; - return MMC_ERR_NONE; + return 0; } int mmc_send_csd(struct mmc_card *card, u32 *csd) @@ -176,12 +176,12 @@ int mmc_send_csd(struct mmc_card *card, u32 *csd) cmd.flags = MMC_RSP_R2 | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; memcpy(csd, cmd.resp, sizeof(u32) * 4); - return MMC_ERR_NONE; + return 0; } int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd) @@ -218,12 +218,12 @@ int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd) mmc_wait_for_req(card->host, &mrq); - if (cmd.error != MMC_ERR_NONE) + if (cmd.error) return cmd.error; - if (data.error != MMC_ERR_NONE) + if (data.error) return data.error; - return MMC_ERR_NONE; + return 0; } int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value) @@ -244,10 +244,10 @@ int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value) cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; - return MMC_ERR_NONE; + return 0; } int mmc_send_status(struct mmc_card *card, u32 *status) @@ -265,12 +265,12 @@ int mmc_send_status(struct mmc_card *card, u32 *status) cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; if (status) *status = cmd.resp[0]; - return MMC_ERR_NONE; + return 0; } diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 1edc62b..00895c9 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -193,30 +193,30 @@ static int mmc_read_switch(struct mmc_card *card) u8 *status; if (card->scr.sda_vsn < SCR_SPEC_VER_1) - return MMC_ERR_NONE; + return 0; if (!(card->csd.cmdclass & CCC_SWITCH)) { printk(KERN_WARNING "%s: card lacks mandatory switch " "function, performance might suffer.\n", mmc_hostname(card->host)); - return MMC_ERR_NONE; + return 0; } - err = MMC_ERR_FAILED; + err = -EIO; status = kmalloc(64, GFP_KERNEL); if (!status) { printk(KERN_ERR "%s: could not allocate a buffer for " "switch capabilities.\n", mmc_hostname(card->host)); - return err; + return -ENOMEM; } err = mmc_sd_switch(card, 0, 0, 1, status); - if (err != MMC_ERR_NONE) { + if (err) { printk(KERN_WARNING "%s: problem reading switch " "capabilities, performance might suffer.\n", mmc_hostname(card->host)); - err = MMC_ERR_NONE; + err = 0; goto out; } @@ -238,28 +238,28 @@ static int mmc_switch_hs(struct mmc_card *card) u8 *status; if (card->scr.sda_vsn < SCR_SPEC_VER_1) - return MMC_ERR_NONE; + return 0; if (!(card->csd.cmdclass & CCC_SWITCH)) - return MMC_ERR_NONE; + return 0; if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) - return MMC_ERR_NONE; + return 0; if (card->sw_caps.hs_max_dtr == 0) - return MMC_ERR_NONE; + return 0; - err = MMC_ERR_FAILED; + err = -EIO; status = kmalloc(64, GFP_KERNEL); if (!status) { printk(KERN_ERR "%s: could not allocate a buffer for " "switch capabilities.\n", mmc_hostname(card->host)); - return err; + return -ENOMEM; } err = mmc_sd_switch(card, 1, 0, 1, status); - if (err != MMC_ERR_NONE) + if (err) goto out; if ((status[16] & 0xF) != 1) { @@ -309,18 +309,18 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * block-addressed SDHC cards. */ err = mmc_send_if_cond(host, ocr); - if (err == MMC_ERR_NONE) + if (!err) ocr |= 1 << 30; err = mmc_send_app_op_cond(host, ocr, NULL); - if (err != MMC_ERR_NONE) + if (err) goto err; /* * Fetch CID from card. */ err = mmc_all_send_cid(host, cid); - if (err != MMC_ERR_NONE) + if (err) goto err; if (oldcard) { @@ -344,7 +344,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Set card RCA. */ err = mmc_send_relative_addr(host, &card->rca); - if (err != MMC_ERR_NONE) + if (err) goto free_card; mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL); @@ -354,7 +354,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Fetch CSD from card. */ err = mmc_send_csd(card, card->raw_csd); - if (err != MMC_ERR_NONE) + if (err) goto free_card; err = mmc_decode_csd(card); @@ -368,7 +368,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Select card, as all following commands rely on that. */ err = mmc_select_card(card); - if (err != MMC_ERR_NONE) + if (err) goto free_card; if (!oldcard) { @@ -376,7 +376,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Fetch SCR from card. */ err = mmc_app_send_scr(card, card->raw_scr); - if (err != MMC_ERR_NONE) + if (err) goto free_card; err = mmc_decode_scr(card); @@ -387,7 +387,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Fetch switch information from card. */ err = mmc_read_switch(card); - if (err != MMC_ERR_NONE) + if (err) goto free_card; } @@ -395,7 +395,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Attempt to change to high-speed (if supported) */ err = mmc_switch_hs(card); - if (err != MMC_ERR_NONE) + if (err) goto free_card; /* @@ -418,7 +418,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, if ((host->caps & MMC_CAP_4_BIT_DATA) && (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); - if (err != MMC_ERR_NONE) + if (err) goto free_card; mmc_set_bus_width(host, MMC_BUS_WIDTH_4); @@ -442,14 +442,14 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, if (!oldcard) host->card = card; - return MMC_ERR_NONE; + return 0; free_card: if (!oldcard) mmc_remove_card(card); err: - return MMC_ERR_FAILED; + return -EIO; } /* @@ -483,7 +483,7 @@ static void mmc_sd_detect(struct mmc_host *host) mmc_release_host(host); - if (err != MMC_ERR_NONE) { + if (err) { mmc_sd_remove(host); mmc_claim_host(host); @@ -574,7 +574,7 @@ static void mmc_sd_resume(struct mmc_host *host) err = mmc_sd_init_card(host, host->ocr, host->card); mmc_release_host(host); - if (err != MMC_ERR_NONE) { + if (err) { mmc_sd_remove(host); mmc_claim_host(host); @@ -644,7 +644,7 @@ int mmc_attach_sd(struct mmc_host *host, u32 ocr) * Detect and init the card. */ err = mmc_sd_init_card(host, host->ocr, NULL); - if (err != MMC_ERR_NONE) + if (err) goto err; mmc_release_host(host); diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c index 342f340..b4d43bd 100644 --- a/drivers/mmc/core/sd_ops.c +++ b/drivers/mmc/core/sd_ops.c @@ -40,14 +40,14 @@ static int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card) } err = mmc_wait_for_cmd(host, &cmd, 0); - if (err != MMC_ERR_NONE) + if (err) return err; /* Check that card supported application commands */ if (!(cmd.resp[0] & R1_APP_CMD)) - return MMC_ERR_FAILED; + return -EOPNOTSUPP; - return MMC_ERR_NONE; + return 0; } /** @@ -73,7 +73,7 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, struct mmc_card *card, BUG_ON(!cmd); BUG_ON(retries < 0); - err = MMC_ERR_INVALID; + err = -EIO; /* * We have to resend MMC_APP_CMD for each attempt so @@ -83,7 +83,7 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, struct mmc_card *card, memset(&mrq, 0, sizeof(struct mmc_request)); err = mmc_app_cmd(host, card); - if (err != MMC_ERR_NONE) + if (err) continue; memset(&mrq, 0, sizeof(struct mmc_request)); @@ -97,7 +97,7 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, struct mmc_card *card, mmc_wait_for_req(host, &mrq); err = cmd->error; - if (cmd->error == MMC_ERR_NONE) + if (!cmd->error) break; } @@ -127,14 +127,14 @@ int mmc_app_set_bus_width(struct mmc_card *card, int width) cmd.arg = SD_BUS_WIDTH_4; break; default: - return MMC_ERR_INVALID; + return -EINVAL; } err = mmc_wait_for_app_cmd(card->host, card, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; - return MMC_ERR_NONE; + return 0; } int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) @@ -152,13 +152,13 @@ int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) for (i = 100; i; i--) { err = mmc_wait_for_app_cmd(host, NULL, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) break; if (cmd.resp[0] & MMC_CARD_BUSY || ocr == 0) break; - err = MMC_ERR_TIMEOUT; + err = -ETIMEDOUT; mmc_delay(10); } @@ -185,13 +185,13 @@ int mmc_send_if_cond(struct mmc_host *host, u32 ocr) cmd.flags = MMC_RSP_R7 | MMC_CMD_BCR; err = mmc_wait_for_cmd(host, &cmd, 0); - if (err != MMC_ERR_NONE) + if (err) return err; if ((cmd.resp[0] & 0xFF) != test_pattern) - return MMC_ERR_FAILED; + return -EIO; - return MMC_ERR_NONE; + return 0; } int mmc_send_relative_addr(struct mmc_host *host, unsigned int *rca) @@ -209,12 +209,12 @@ int mmc_send_relative_addr(struct mmc_host *host, unsigned int *rca) cmd.flags = MMC_RSP_R6 | MMC_CMD_BCR; err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); - if (err != MMC_ERR_NONE) + if (err) return err; *rca = cmd.resp[0] >> 16; - return MMC_ERR_NONE; + return 0; } int mmc_app_send_scr(struct mmc_card *card, u32 *scr) @@ -230,7 +230,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr) BUG_ON(!scr); err = mmc_app_cmd(card->host, card); - if (err != MMC_ERR_NONE) + if (err) return err; memset(&mrq, 0, sizeof(struct mmc_request)); @@ -256,15 +256,15 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr) mmc_wait_for_req(card->host, &mrq); - if (cmd.error != MMC_ERR_NONE) + if (cmd.error) return cmd.error; - if (data.error != MMC_ERR_NONE) + if (data.error) return data.error; scr[0] = ntohl(scr[0]); scr[1] = ntohl(scr[1]); - return MMC_ERR_NONE; + return 0; } int mmc_sd_switch(struct mmc_card *card, int mode, int group, @@ -306,11 +306,11 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group, mmc_wait_for_req(card->host, &mrq); - if (cmd.error != MMC_ERR_NONE) + if (cmd.error) return cmd.error; - if (data.error != MMC_ERR_NONE) + if (data.error) return data.error; - return MMC_ERR_NONE; + return 0; } diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index 955ea60..810a433 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -577,24 +577,22 @@ static void at91_mci_completed_command(struct at91mci_host *host) AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE | AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE)) { if ((status & AT91_MCI_RCRCE) && !(mmc_resp_type(cmd) & MMC_RSP_CRC)) { - cmd->error = MMC_ERR_NONE; + cmd->error = 0; } else { if (status & (AT91_MCI_RTOE | AT91_MCI_DTOE)) - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ETIMEDOUT; else if (status & (AT91_MCI_RCRCE | AT91_MCI_DCRCE)) - cmd->error = MMC_ERR_BADCRC; - else if (status & (AT91_MCI_OVRE | AT91_MCI_UNRE)) - cmd->error = MMC_ERR_FIFO; + cmd->error = -EILSEQ; else - cmd->error = MMC_ERR_FAILED; + cmd->error = -EIO; pr_debug("Error detected and set to %d (cmd = %d, retries = %d)\n", cmd->error, cmd->opcode, cmd->retries); } } else - cmd->error = MMC_ERR_NONE; + cmd->error = 0; at91_mci_process_next(host); } diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c index 34c99d4..49b0367 100644 --- a/drivers/mmc/host/au1xmmc.c +++ b/drivers/mmc/host/au1xmmc.c @@ -208,7 +208,7 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait, default: printk(KERN_INFO "au1xmmc: unhandled response type %02x\n", mmc_resp_type(cmd)); - return MMC_ERR_INVALID; + return -EINVAL; } if (flags & MMC_DATA_READ) { @@ -253,7 +253,7 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait, IRQ_ON(host, SD_CONFIG_CR); } - return MMC_ERR_NONE; + return 0; } static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status) @@ -278,7 +278,7 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status) while((host->flags & HOST_F_XMIT) && (status & SD_STATUS_DB)) status = au_readl(HOST_STATUS(host)); - data->error = MMC_ERR_NONE; + data->error = 0; dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma.dir); /* Process any errors */ @@ -288,14 +288,14 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status) crc |= ((status & 0x07) == 0x02) ? 0 : 1; if (crc) - data->error = MMC_ERR_BADCRC; + data->error = -EILSEQ; /* Clear the CRC bits */ au_writel(SD_STATUS_WC | SD_STATUS_RC, HOST_STATUS(host)); data->bytes_xfered = 0; - if (data->error == MMC_ERR_NONE) { + if (!data->error) { if (host->flags & HOST_F_DMA) { u32 chan = DMA_CHANNEL(host); @@ -475,7 +475,7 @@ static void au1xmmc_cmd_complete(struct au1xmmc_host *host, u32 status) return; cmd = mrq->cmd; - cmd->error = MMC_ERR_NONE; + cmd->error = 0; if (cmd->flags & MMC_RSP_PRESENT) { if (cmd->flags & MMC_RSP_136) { @@ -512,11 +512,11 @@ static void au1xmmc_cmd_complete(struct au1xmmc_host *host, u32 status) /* Figure out errors */ if (status & (SD_STATUS_SC | SD_STATUS_WC | SD_STATUS_RC)) - cmd->error = MMC_ERR_BADCRC; + cmd->error = -EILSEQ; trans = host->flags & (HOST_F_XMIT | HOST_F_RECV); - if (!trans || cmd->error != MMC_ERR_NONE) { + if (!trans || cmd->error) { IRQ_OFF(host, SD_CONFIG_TH | SD_CONFIG_RA|SD_CONFIG_RF); tasklet_schedule(&host->finish_task); @@ -589,7 +589,7 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data) data->sg_len, host->dma.dir); if (host->dma.len == 0) - return MMC_ERR_TIMEOUT; + return -ETIMEDOUT; au_writel(data->blksz - 1, HOST_BLKSIZE(host)); @@ -640,11 +640,11 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data) //IRQ_ON(host, SD_CONFIG_RA|SD_CONFIG_RF); } - return MMC_ERR_NONE; + return 0; dataerr: dma_unmap_sg(mmc_dev(host->mmc),data->sg,data->sg_len,host->dma.dir); - return MMC_ERR_TIMEOUT; + return -ETIMEDOUT; } /* static void au1xmmc_request @@ -656,7 +656,7 @@ static void au1xmmc_request(struct mmc_host* mmc, struct mmc_request* mrq) struct au1xmmc_host *host = mmc_priv(mmc); unsigned int flags = 0; - int ret = MMC_ERR_NONE; + int ret = 0; WARN_ON(irqs_disabled()); WARN_ON(host->status != HOST_S_IDLE); @@ -672,10 +672,10 @@ static void au1xmmc_request(struct mmc_host* mmc, struct mmc_request* mrq) ret = au1xmmc_prepare_data(host, mrq->data); } - if (ret == MMC_ERR_NONE) + if (!ret) ret = au1xmmc_send_command(host, 0, mrq->cmd, flags); - if (ret != MMC_ERR_NONE) { + if (ret) { mrq->cmd->error = ret; au1xmmc_finish_request(host); } @@ -764,10 +764,10 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id) if (host->mrq && (status & STATUS_TIMEOUT)) { if (status & SD_STATUS_RAT) - host->mrq->cmd->error = MMC_ERR_TIMEOUT; + host->mrq->cmd->error = -ETIMEDOUT; else if (status & SD_STATUS_DT) - host->mrq->data->error = MMC_ERR_TIMEOUT; + host->mrq->data->error = -ETIMEDOUT; /* In PIO mode, interrupts might still be enabled */ IRQ_OFF(host, SD_CONFIG_NE | SD_CONFIG_TH); diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c index 54bfc9f..04458c3 100644 --- a/drivers/mmc/host/imxmmc.c +++ b/drivers/mmc/host/imxmmc.c @@ -428,11 +428,11 @@ static int imxmci_finish_data(struct imxmci_host *host, unsigned int stat) if ( stat & STATUS_ERR_MASK ) { dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",stat); if(stat & (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR)) - data->error = MMC_ERR_BADCRC; + data->error = -EILSEQ; else if(stat & STATUS_TIME_OUT_READ) - data->error = MMC_ERR_TIMEOUT; + data->error = -ETIMEDOUT; else - data->error = MMC_ERR_FAILED; + data->error = -EIO; } else { data->bytes_xfered = host->dma_size; } @@ -458,10 +458,10 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat) if (stat & STATUS_TIME_OUT_RESP) { dev_dbg(mmc_dev(host->mmc), "CMD TIMEOUT\n"); - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ETIMEDOUT; } else if (stat & STATUS_RESP_CRC_ERR && cmd->flags & MMC_RSP_CRC) { dev_dbg(mmc_dev(host->mmc), "cmd crc error\n"); - cmd->error = MMC_ERR_BADCRC; + cmd->error = -EILSEQ; } if(cmd->flags & MMC_RSP_PRESENT) { @@ -482,7 +482,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat) dev_dbg(mmc_dev(host->mmc), "RESP 0x%08x, 0x%08x, 0x%08x, 0x%08x, error %d\n", cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3], cmd->error); - if (data && (cmd->error == MMC_ERR_NONE) && !(stat & STATUS_ERR_MASK)) { + if (data && !cmd->error && !(stat & STATUS_ERR_MASK)) { if (host->req->data->flags & MMC_DATA_WRITE) { /* Wait for FIFO to be empty before starting DMA write */ @@ -491,7 +491,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat) if(imxmci_busy_wait_for_status(host, &stat, STATUS_APPL_BUFF_FE, 40, "imxmci_cmd_done DMA WR") < 0) { - cmd->error = MMC_ERR_FIFO; + cmd->error = -EIO; imxmci_finish_data(host, stat); if(host->req) imxmci_finish_request(host, host->req); diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index be730c0..d53e9a8 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -154,11 +154,11 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data, } if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) { if (status & MCI_DATACRCFAIL) - data->error = MMC_ERR_BADCRC; + data->error = -EILSEQ; else if (status & MCI_DATATIMEOUT) - data->error = MMC_ERR_TIMEOUT; + data->error = -ETIMEDOUT; else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN)) - data->error = MMC_ERR_FIFO; + data->error = -EIO; status |= MCI_DATAEND; /* @@ -193,12 +193,12 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, cmd->resp[3] = readl(base + MMCIRESPONSE3); if (status & MCI_CMDTIMEOUT) { - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ETIMEDOUT; } else if (status & MCI_CMDCRCFAIL && cmd->flags & MMC_RSP_CRC) { - cmd->error = MMC_ERR_BADCRC; + cmd->error = -EILSEQ; } - if (!cmd->data || cmd->error != MMC_ERR_NONE) { + if (!cmd->data || cmd->error) { if (host->data) mmci_stop_data(host); mmci_request_end(host, cmd->mrq); diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 0cf97ed..60a67df 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -263,7 +263,7 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data) enum dma_data_direction dma_data_dir; BUG_ON(host->dma_ch < 0); - if (data->error != MMC_ERR_NONE) + if (data->error) omap_stop_dma(host->dma_ch); /* Release DMA channel lazily */ mod_timer(&host->dma_timer, jiffies + HZ); @@ -368,7 +368,7 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd) } } - if (host->data == NULL || cmd->error != MMC_ERR_NONE) { + if (host->data == NULL || cmd->error) { host->mrq = NULL; clk_disable(host->fclk); mmc_request_done(host->mmc, cmd->mrq); @@ -475,14 +475,14 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) if (status & OMAP_MMC_STAT_DATA_TOUT) { dev_dbg(mmc_dev(host->mmc), "data timeout\n"); if (host->data) { - host->data->error |= MMC_ERR_TIMEOUT; + host->data->error = -ETIMEDOUT; transfer_error = 1; } } if (status & OMAP_MMC_STAT_DATA_CRC) { if (host->data) { - host->data->error |= MMC_ERR_BADCRC; + host->data->error = -EILSEQ; dev_dbg(mmc_dev(host->mmc), "data CRC error, bytes left %d\n", host->total_bytes_left); @@ -504,7 +504,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) dev_err(mmc_dev(host->mmc), "command timeout, CMD %d\n", host->cmd->opcode); - host->cmd->error = MMC_ERR_TIMEOUT; + host->cmd->error = -ETIMEDOUT; end_command = 1; } } @@ -514,7 +514,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) dev_err(mmc_dev(host->mmc), "command CRC error (CMD%d, arg 0x%08x)\n", host->cmd->opcode, host->cmd->arg); - host->cmd->error = MMC_ERR_BADCRC; + host->cmd->error = -EILSEQ; end_command = 1; } else dev_err(mmc_dev(host->mmc), diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index ff96033..b89e32d 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -226,7 +226,7 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat) } if (stat & STAT_TIME_OUT_RESPONSE) { - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ETIMEDOUT; } else if (stat & STAT_RES_CRC_ERR && cmd->flags & MMC_RSP_CRC) { #ifdef CONFIG_PXA27x /* @@ -239,11 +239,11 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat) pr_debug("ignoring CRC from command %d - *risky*\n", cmd->opcode); } else #endif - cmd->error = MMC_ERR_BADCRC; + cmd->error = -EILSEQ; } pxamci_disable_irq(host, END_CMD_RES); - if (host->data && cmd->error == MMC_ERR_NONE) { + if (host->data && !cmd->error) { pxamci_enable_irq(host, DATA_TRAN_DONE); } else { pxamci_finish_request(host, host->mrq); @@ -264,9 +264,9 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat) host->dma_dir); if (stat & STAT_READ_TIME_OUT) - data->error = MMC_ERR_TIMEOUT; + data->error = -ETIMEDOUT; else if (stat & (STAT_CRC_READ_ERROR|STAT_CRC_WRITE_ERROR)) - data->error = MMC_ERR_BADCRC; + data->error = -EILSEQ; /* * There appears to be a hardware design bug here. There seems to @@ -274,7 +274,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat) * This means that if there was an error on any block, we mark all * data blocks as being in error. */ - if (data->error == MMC_ERR_NONE) + if (!data->error) data->bytes_xfered = data->blocks * data->blksz; else data->bytes_xfered = 0; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 20a7d89..479d6a2 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -481,16 +481,16 @@ static void sdhci_finish_data(struct sdhci_host *host) * Controller doesn't count down when in single block mode. */ if (data->blocks == 1) - blocks = (data->error == MMC_ERR_NONE) ? 0 : 1; + blocks = (data->error == 0) ? 0 : 1; else blocks = readw(host->ioaddr + SDHCI_BLOCK_COUNT); data->bytes_xfered = data->blksz * (data->blocks - blocks); - if ((data->error == MMC_ERR_NONE) && blocks) { + if (!data->error && blocks) { printk(KERN_ERR "%s: Controller signalled completion even " "though there were blocks left.\n", mmc_hostname(host->mmc)); - data->error = MMC_ERR_FAILED; + data->error = -EIO; } if (data->stop) { @@ -498,7 +498,7 @@ static void sdhci_finish_data(struct sdhci_host *host) * The controller needs a reset of internal state machines * upon error conditions. */ - if (data->error != MMC_ERR_NONE) { + if (data->error) { sdhci_reset(host, SDHCI_RESET_CMD); sdhci_reset(host, SDHCI_RESET_DATA); } @@ -533,7 +533,7 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) printk(KERN_ERR "%s: Controller never released " "inhibit bit(s).\n", mmc_hostname(host->mmc)); sdhci_dumpregs(host); - cmd->error = MMC_ERR_FAILED; + cmd->error = -EIO; tasklet_schedule(&host->finish_tasklet); return; } @@ -554,7 +554,7 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) { printk(KERN_ERR "%s: Unsupported response type!\n", mmc_hostname(host->mmc)); - cmd->error = MMC_ERR_INVALID; + cmd->error = -EINVAL; tasklet_schedule(&host->finish_tasklet); return; } @@ -601,7 +601,7 @@ static void sdhci_finish_command(struct sdhci_host *host) } } - host->cmd->error = MMC_ERR_NONE; + host->cmd->error = 0; if (host->data && host->data_early) sdhci_finish_data(host); @@ -722,7 +722,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) host->mrq = mrq; if (!(readl(host->ioaddr + SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) { - host->mrq->cmd->error = MMC_ERR_TIMEOUT; + host->mrq->cmd->error = -ENOMEDIUM; tasklet_schedule(&host->finish_tasklet); } else sdhci_send_command(host, mrq->cmd); @@ -831,7 +831,7 @@ static void sdhci_tasklet_card(unsigned long param) sdhci_reset(host, SDHCI_RESET_CMD); sdhci_reset(host, SDHCI_RESET_DATA); - host->mrq->cmd->error = MMC_ERR_FAILED; + host->mrq->cmd->error = -ENOMEDIUM; tasklet_schedule(&host->finish_tasklet); } } @@ -859,9 +859,9 @@ static void sdhci_tasklet_finish(unsigned long param) * The controller needs a reset of internal state machines * upon error conditions. */ - if ((mrq->cmd->error != MMC_ERR_NONE) || - (mrq->data && ((mrq->data->error != MMC_ERR_NONE) || - (mrq->data->stop && (mrq->data->stop->error != MMC_ERR_NONE))))) { + if (mrq->cmd->error || + (mrq->data && (mrq->data->error || + (mrq->data->stop && mrq->data->stop->error)))) { /* Some controllers need this kick or reset won't work here */ if (host->chip->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) { @@ -906,13 +906,13 @@ static void sdhci_timeout_timer(unsigned long data) sdhci_dumpregs(host); if (host->data) { - host->data->error = MMC_ERR_TIMEOUT; + host->data->error = -ETIMEDOUT; sdhci_finish_data(host); } else { if (host->cmd) - host->cmd->error = MMC_ERR_TIMEOUT; + host->cmd->error = -ETIMEDOUT; else - host->mrq->cmd->error = MMC_ERR_TIMEOUT; + host->mrq->cmd->error = -ETIMEDOUT; tasklet_schedule(&host->finish_tasklet); } @@ -941,13 +941,12 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask) } if (intmask & SDHCI_INT_TIMEOUT) - host->cmd->error = MMC_ERR_TIMEOUT; - else if (intmask & SDHCI_INT_CRC) - host->cmd->error = MMC_ERR_BADCRC; - else if (intmask & (SDHCI_INT_END_BIT | SDHCI_INT_INDEX)) - host->cmd->error = MMC_ERR_FAILED; + host->cmd->error = -ETIMEDOUT; + else if (intmask & (SDHCI_INT_CRC | SDHCI_INT_END_BIT | + SDHCI_INT_INDEX)) + host->cmd->error = -EILSEQ; - if (host->cmd->error != MMC_ERR_NONE) + if (host->cmd->error) tasklet_schedule(&host->finish_tasklet); else if (intmask & SDHCI_INT_RESPONSE) sdhci_finish_command(host); @@ -974,13 +973,11 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) } if (intmask & SDHCI_INT_DATA_TIMEOUT) - host->data->error = MMC_ERR_TIMEOUT; - else if (intmask & SDHCI_INT_DATA_CRC) - host->data->error = MMC_ERR_BADCRC; - else if (intmask & SDHCI_INT_DATA_END_BIT) - host->data->error = MMC_ERR_FAILED; + host->data->error = -ETIMEDOUT; + else if (intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_END_BIT)) + host->data->error = -EILSEQ; - if (host->data->error != MMC_ERR_NONE) + if (host->data->error) sdhci_finish_data(host); else { if (intmask & (SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL)) diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 8b736e9..b4a56e5 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -404,14 +404,14 @@ static void tifm_sd_check_status(struct tifm_sd *host) struct tifm_dev *sock = host->dev; struct mmc_command *cmd = host->req->cmd; - if (cmd->error != MMC_ERR_NONE) + if (cmd->error) goto finish_request; if (!(host->cmd_flags & CMD_READY)) return; if (cmd->data) { - if (cmd->data->error != MMC_ERR_NONE) { + if (cmd->data->error) { if ((host->cmd_flags & SCMD_ACTIVE) && !(host->cmd_flags & SCMD_READY)) return; @@ -504,7 +504,7 @@ static void tifm_sd_card_event(struct tifm_dev *sock) { struct tifm_sd *host; unsigned int host_status = 0; - int cmd_error = MMC_ERR_NONE; + int cmd_error = 0; struct mmc_command *cmd = NULL; unsigned long flags; @@ -521,15 +521,15 @@ static void tifm_sd_card_event(struct tifm_dev *sock) writel(host_status & TIFM_MMCSD_ERRMASK, sock->addr + SOCK_MMCSD_STATUS); if (host_status & TIFM_MMCSD_CTO) - cmd_error = MMC_ERR_TIMEOUT; + cmd_error = -ETIMEDOUT; else if (host_status & TIFM_MMCSD_CCRC) - cmd_error = MMC_ERR_BADCRC; + cmd_error = -EILSEQ; if (cmd->data) { if (host_status & TIFM_MMCSD_DTO) - cmd->data->error = MMC_ERR_TIMEOUT; + cmd->data->error = -ETIMEDOUT; else if (host_status & TIFM_MMCSD_DCRC) - cmd->data->error = MMC_ERR_BADCRC; + cmd->data->error = -EILSEQ; } writel(TIFM_FIFO_INT_SETALL, @@ -722,7 +722,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq) return; err_out: - mrq->cmd->error = MMC_ERR_TIMEOUT; + mrq->cmd->error = -ETIMEDOUT; mmc_request_done(mmc, mrq); } @@ -1012,9 +1012,9 @@ static void tifm_sd_remove(struct tifm_dev *sock) writel(TIFM_FIFO_INT_SETALL, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); writel(0, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); - host->req->cmd->error = MMC_ERR_TIMEOUT; + host->req->cmd->error = -ENOMEDIUM; if (host->req->stop) - host->req->stop->error = MMC_ERR_TIMEOUT; + host->req->stop->error = -ENOMEDIUM; tasklet_schedule(&host->finish_tasklet); } spin_unlock_irqrestore(&sock->lock, flags); diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c index 9bf2a87..44968c2 100644 --- a/drivers/mmc/host/wbsd.c +++ b/drivers/mmc/host/wbsd.c @@ -317,7 +317,7 @@ static inline void wbsd_get_short_reply(struct wbsd_host *host, * Correct response type? */ if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) { - cmd->error = MMC_ERR_INVALID; + cmd->error = -EILSEQ; return; } @@ -337,7 +337,7 @@ static inline void wbsd_get_long_reply(struct wbsd_host *host, * Correct response type? */ if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) { - cmd->error = MMC_ERR_INVALID; + cmd->error = -EILSEQ; return; } @@ -372,7 +372,7 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd) for (i = 3; i >= 0; i--) outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR); - cmd->error = MMC_ERR_NONE; + cmd->error = 0; /* * Wait for the request to complete. @@ -392,13 +392,13 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd) /* Card removed? */ if (isr & WBSD_INT_CARD) - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ENOMEDIUM; /* Timeout? */ else if (isr & WBSD_INT_TIMEOUT) - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ETIMEDOUT; /* CRC? */ else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC)) - cmd->error = MMC_ERR_BADCRC; + cmd->error = -EILSEQ; /* All ok */ else { if (cmd->flags & MMC_RSP_136) @@ -585,7 +585,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) ((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH); wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); } else { - data->error = MMC_ERR_INVALID; + data->error = -EINVAL; return; } @@ -607,7 +607,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) */ BUG_ON(size > 0x10000); if (size > 0x10000) { - data->error = MMC_ERR_INVALID; + data->error = -EINVAL; return; } @@ -669,7 +669,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) } } - data->error = MMC_ERR_NONE; + data->error = 0; } static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data) @@ -724,8 +724,8 @@ static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data) "%d bytes left.\n", mmc_hostname(host->mmc), count); - if (data->error == MMC_ERR_NONE) - data->error = MMC_ERR_FAILED; + if (!data->error) + data->error = -EIO; } else { /* * Transfer data from DMA buffer to @@ -735,7 +735,7 @@ static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data) wbsd_dma_to_sg(host, data); } - if (data->error != MMC_ERR_NONE) { + if (data->error) { if (data->bytes_xfered) data->bytes_xfered -= data->blksz; } @@ -767,11 +767,10 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq) host->mrq = mrq; /* - * If there is no card in the slot then - * timeout immediatly. + * Check that there is actually a card in the slot. */ if (!(host->flags & WBSD_FCARD_PRESENT)) { - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ENOMEDIUM; goto done; } @@ -807,7 +806,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq) "supported by this controller.\n", mmc_hostname(host->mmc), cmd->opcode); #endif - cmd->error = MMC_ERR_INVALID; + cmd->error = -EINVAL; goto done; }; @@ -819,7 +818,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq) if (cmd->data) { wbsd_prepare_data(host, cmd->data); - if (cmd->data->error != MMC_ERR_NONE) + if (cmd->data->error) goto done; } @@ -830,7 +829,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq) * will be finished after the data has * transfered. */ - if (cmd->data && (cmd->error == MMC_ERR_NONE)) { + if (cmd->data && !cmd->error) { /* * Dirty fix for hardware bug. */ @@ -1033,7 +1032,7 @@ static void wbsd_tasklet_card(unsigned long param) mmc_hostname(host->mmc)); wbsd_reset(host); - host->mrq->cmd->error = MMC_ERR_FAILED; + host->mrq->cmd->error = -ENOMEDIUM; tasklet_schedule(&host->finish_tasklet); } @@ -1097,7 +1096,7 @@ static void wbsd_tasklet_crc(unsigned long param) DBGF("CRC error\n"); - data->error = MMC_ERR_BADCRC; + data->error = -EILSEQ; tasklet_schedule(&host->finish_tasklet); @@ -1121,7 +1120,7 @@ static void wbsd_tasklet_timeout(unsigned long param) DBGF("Timeout\n"); - data->error = MMC_ERR_TIMEOUT; + data->error = -ETIMEDOUT; tasklet_schedule(&host->finish_tasklet); diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 63a80ea..a2b7951 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -54,12 +54,19 @@ struct mmc_command { unsigned int retries; /* max number of retries */ unsigned int error; /* command error */ -#define MMC_ERR_NONE 0 -#define MMC_ERR_TIMEOUT 1 -#define MMC_ERR_BADCRC 2 -#define MMC_ERR_FIFO 3 -#define MMC_ERR_FAILED 4 -#define MMC_ERR_INVALID 5 +/* + * Standard errno values are used for errors, but some have specific + * meaning in the MMC layer: + * + * ETIMEDOUT Card took too long to respond + * EILSEQ Basic format problem with the received or sent data + * (e.g. CRC check failed, incorrect opcode in response + * or bad end bit) + * EINVAL Request cannot be performed because of restrictions + * in hardware and/or the driver + * ENOMEDIUM Host can determine that the slot is empty and is + * actively failing requests + */ struct mmc_data *data; /* data segment associated with cmd */ struct mmc_request *mrq; /* associated request */ |