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path: root/drivers/char/tpm/tpm_infineon.c
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Diffstat (limited to 'drivers/char/tpm/tpm_infineon.c')
-rw-r--r--drivers/char/tpm/tpm_infineon.c61
1 files changed, 31 insertions, 30 deletions
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index 24095f6..adfff21 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -15,6 +15,7 @@
* License.
*/
+#include <linux/init.h>
#include <linux/pnp.h>
#include "tpm.h"
@@ -104,7 +105,7 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
if (clear_wrfifo) {
for (i = 0; i < 4096; i++) {
- status = inb(chip->vendor->base + WRFIFO);
+ status = inb(chip->vendor.base + WRFIFO);
if (status == 0xff) {
if (check == 5)
break;
@@ -124,8 +125,8 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
*/
i = 0;
do {
- status = inb(chip->vendor->base + RDFIFO);
- status = inb(chip->vendor->base + STAT);
+ status = inb(chip->vendor.base + RDFIFO);
+ status = inb(chip->vendor.base + STAT);
i++;
if (i == TPM_MAX_TRIES)
return -EIO;
@@ -138,7 +139,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
int status;
int i;
for (i = 0; i < TPM_MAX_TRIES; i++) {
- status = inb(chip->vendor->base + STAT);
+ status = inb(chip->vendor.base + STAT);
/* check the status-register if wait_for_bit is set */
if (status & 1 << wait_for_bit)
break;
@@ -157,7 +158,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
static void wait_and_send(struct tpm_chip *chip, u8 sendbyte)
{
wait(chip, STAT_XFE);
- outb(sendbyte, chip->vendor->base + WRFIFO);
+ outb(sendbyte, chip->vendor.base + WRFIFO);
}
/* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more
@@ -204,7 +205,7 @@ recv_begin:
ret = wait(chip, STAT_RDA);
if (ret)
return -EIO;
- buf[i] = inb(chip->vendor->base + RDFIFO);
+ buf[i] = inb(chip->vendor.base + RDFIFO);
}
if (buf[0] != TPM_VL_VER) {
@@ -219,7 +220,7 @@ recv_begin:
for (i = 0; i < size; i++) {
wait(chip, STAT_RDA);
- buf[i] = inb(chip->vendor->base + RDFIFO);
+ buf[i] = inb(chip->vendor.base + RDFIFO);
}
if ((size == 0x6D00) && (buf[1] == 0x80)) {
@@ -268,7 +269,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
u8 count_high, count_low, count_4, count_3, count_2, count_1;
/* Disabling Reset, LP and IRQC */
- outb(RESET_LP_IRQC_DISABLE, chip->vendor->base + CMD);
+ outb(RESET_LP_IRQC_DISABLE, chip->vendor.base + CMD);
ret = empty_fifo(chip, 1);
if (ret) {
@@ -319,7 +320,7 @@ static void tpm_inf_cancel(struct tpm_chip *chip)
static u8 tpm_inf_status(struct tpm_chip *chip)
{
- return inb(chip->vendor->base + STAT);
+ return inb(chip->vendor.base + STAT);
}
static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
@@ -346,7 +347,7 @@ static struct file_operations inf_ops = {
.release = tpm_release,
};
-static struct tpm_vendor_specific tpm_inf = {
+static const struct tpm_vendor_specific tpm_inf = {
.recv = tpm_inf_recv,
.send = tpm_inf_send,
.cancel = tpm_inf_cancel,
@@ -375,6 +376,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
int version[2];
int productid[2];
char chipname[20];
+ struct tpm_chip *chip;
/* read IO-ports through PnP */
if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
@@ -395,14 +397,13 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
goto err_last;
}
/* publish my base address and request region */
- tpm_inf.base = TPM_INF_BASE;
if (request_region
- (tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
+ (TPM_INF_BASE, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
rc = -EINVAL;
goto err_last;
}
- if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN,
- "tpm_infineon0") == NULL) {
+ if (request_region
+ (TPM_INF_ADDR, TPM_INF_ADDR_LEN, "tpm_infineon0") == NULL) {
rc = -EINVAL;
goto err_last;
}
@@ -442,9 +443,9 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
/* configure TPM with IO-ports */
outb(IOLIMH, TPM_INF_ADDR);
- outb(((tpm_inf.base >> 8) & 0xff), TPM_INF_DATA);
+ outb(((TPM_INF_BASE >> 8) & 0xff), TPM_INF_DATA);
outb(IOLIML, TPM_INF_ADDR);
- outb((tpm_inf.base & 0xff), TPM_INF_DATA);
+ outb((TPM_INF_BASE & 0xff), TPM_INF_DATA);
/* control if IO-ports are set correctly */
outb(IOLIMH, TPM_INF_ADDR);
@@ -452,10 +453,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
outb(IOLIML, TPM_INF_ADDR);
iol = inb(TPM_INF_DATA);
- if ((ioh << 8 | iol) != tpm_inf.base) {
+ if ((ioh << 8 | iol) != TPM_INF_BASE) {
dev_err(&dev->dev,
- "Could not set IO-ports to 0x%lx\n",
- tpm_inf.base);
+ "Could not set IO-ports to 0x%x\n",
+ TPM_INF_BASE);
rc = -EIO;
goto err_release_region;
}
@@ -466,15 +467,15 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);
/* disable RESET, LP and IRQC */
- outb(RESET_LP_IRQC_DISABLE, tpm_inf.base + CMD);
+ outb(RESET_LP_IRQC_DISABLE, TPM_INF_BASE + CMD);
/* Finally, we're done, print some infos */
dev_info(&dev->dev, "TPM found: "
"config base 0x%x, "
"io base 0x%x, "
- "chip version %02x%02x, "
- "vendor id %x%x (Infineon), "
- "product id %02x%02x"
+ "chip version 0x%02x%02x, "
+ "vendor id 0x%x%x (Infineon), "
+ "product id 0x%02x%02x"
"%s\n",
TPM_INF_ADDR,
TPM_INF_BASE,
@@ -482,11 +483,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
vendorid[0], vendorid[1],
productid[0], productid[1], chipname);
- rc = tpm_register_hardware(&dev->dev, &tpm_inf);
- if (rc < 0) {
- rc = -ENODEV;
+ if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) {
goto err_release_region;
}
+ chip->vendor.base = TPM_INF_BASE;
return 0;
} else {
rc = -ENODEV;
@@ -494,7 +494,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
}
err_release_region:
- release_region(tpm_inf.base, TPM_INF_PORT_LEN);
+ release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
err_last:
@@ -506,7 +506,8 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
struct tpm_chip *chip = pnp_get_drvdata(dev);
if (chip) {
- release_region(chip->vendor->base, TPM_INF_PORT_LEN);
+ release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
+ release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
tpm_remove_hardware(chip->dev);
}
}
@@ -520,7 +521,7 @@ static struct pnp_driver tpm_inf_pnp = {
},
.id_table = tpm_pnp_tbl,
.probe = tpm_inf_pnp_probe,
- .remove = tpm_inf_pnp_remove,
+ .remove = __devexit_p(tpm_inf_pnp_remove),
};
static int __init init_inf(void)
@@ -538,5 +539,5 @@ module_exit(cleanup_inf);
MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
-MODULE_VERSION("1.7");
+MODULE_VERSION("1.8");
MODULE_LICENSE("GPL");
generated by cgit v1.1 at 2024-12-26 10:57:34 +0000