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authorAndrei Warkentin <andreiw@motorola.com>2011-05-25 10:42:50 -0400
committerChris Ball <cjb@laptop.org>2011-05-25 16:52:26 -0400
commit4f3d3e9b50931a3ec70f324d53fb7437e2a39388 (patch)
tree26018537aaea287e7aa6377e2305a4222699b8d7 /drivers/mmc
parent8edf63710bd43e62d59bfe017df542fa0713bbb3 (diff)
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mmc: sdhci: Auto-CMD23 fixes.
Fixes bugs in Auto-CMD23 feature enable decision. Auto-CMD23 should be enabled if host is >= v3, and SDMA is not in use. USE_ADMA | USE_SDMA | Auto-CMD23 ---------+----------+----------- 0 | 0 | 1 ---------+----------+----------- 0 | 1 | 0 ---------+----------+----------- 1 | 0 | 1 ---------+----------+----------- 1 | 1 | 1 Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index f845fd6..58d5436 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2494,9 +2494,9 @@ int sdhci_add_host(struct sdhci_host *host)
host->flags |= SDHCI_AUTO_CMD12;
/* Auto-CMD23 stuff only works in ADMA or PIO. */
- if ((host->version == SDHCI_SPEC_300) &&
+ if ((host->version >= SDHCI_SPEC_300) &&
((host->flags & SDHCI_USE_ADMA) ||
- !(host->flags & SDHCI_REQ_USE_DMA))) {
+ !(host->flags & SDHCI_USE_SDMA))) {
host->flags |= SDHCI_AUTO_CMD23;
DBG("%s: Auto-CMD23 available\n", mmc_hostname(mmc));
} else {