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Marcel SelhorstLinus Torvalds
authored andcommitted
[PATCH] tpm: tpm_infineon updated to latest interface changes
Apply the latest changes in the TPM interface to the Infineon TPM-driver. Signed-off-by: Marcel Selhorst <selhorst@crypto.rub.de> Acked-by: Kylie Hall <kjhall@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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drivers/char/tpm/tpm_infineon.c

Lines changed: 29 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -104,7 +104,7 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
104104

105105
if (clear_wrfifo) {
106106
for (i = 0; i < 4096; i++) {
107-
status = inb(chip->vendor->base + WRFIFO);
107+
status = inb(chip->vendor.base + WRFIFO);
108108
if (status == 0xff) {
109109
if (check == 5)
110110
break;
@@ -124,8 +124,8 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
124124
*/
125125
i = 0;
126126
do {
127-
status = inb(chip->vendor->base + RDFIFO);
128-
status = inb(chip->vendor->base + STAT);
127+
status = inb(chip->vendor.base + RDFIFO);
128+
status = inb(chip->vendor.base + STAT);
129129
i++;
130130
if (i == TPM_MAX_TRIES)
131131
return -EIO;
@@ -138,7 +138,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
138138
int status;
139139
int i;
140140
for (i = 0; i < TPM_MAX_TRIES; i++) {
141-
status = inb(chip->vendor->base + STAT);
141+
status = inb(chip->vendor.base + STAT);
142142
/* check the status-register if wait_for_bit is set */
143143
if (status & 1 << wait_for_bit)
144144
break;
@@ -157,7 +157,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
157157
static void wait_and_send(struct tpm_chip *chip, u8 sendbyte)
158158
{
159159
wait(chip, STAT_XFE);
160-
outb(sendbyte, chip->vendor->base + WRFIFO);
160+
outb(sendbyte, chip->vendor.base + WRFIFO);
161161
}
162162

163163
/* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more
@@ -204,7 +204,7 @@ static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count)
204204
ret = wait(chip, STAT_RDA);
205205
if (ret)
206206
return -EIO;
207-
buf[i] = inb(chip->vendor->base + RDFIFO);
207+
buf[i] = inb(chip->vendor.base + RDFIFO);
208208
}
209209

210210
if (buf[0] != TPM_VL_VER) {
@@ -219,7 +219,7 @@ static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count)
219219

220220
for (i = 0; i < size; i++) {
221221
wait(chip, STAT_RDA);
222-
buf[i] = inb(chip->vendor->base + RDFIFO);
222+
buf[i] = inb(chip->vendor.base + RDFIFO);
223223
}
224224

225225
if ((size == 0x6D00) && (buf[1] == 0x80)) {
@@ -268,7 +268,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
268268
u8 count_high, count_low, count_4, count_3, count_2, count_1;
269269

270270
/* Disabling Reset, LP and IRQC */
271-
outb(RESET_LP_IRQC_DISABLE, chip->vendor->base + CMD);
271+
outb(RESET_LP_IRQC_DISABLE, chip->vendor.base + CMD);
272272

273273
ret = empty_fifo(chip, 1);
274274
if (ret) {
@@ -319,7 +319,7 @@ static void tpm_inf_cancel(struct tpm_chip *chip)
319319

320320
static u8 tpm_inf_status(struct tpm_chip *chip)
321321
{
322-
return inb(chip->vendor->base + STAT);
322+
return inb(chip->vendor.base + STAT);
323323
}
324324

325325
static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
@@ -346,7 +346,7 @@ static struct file_operations inf_ops = {
346346
.release = tpm_release,
347347
};
348348

349-
static struct tpm_vendor_specific tpm_inf = {
349+
static const struct tpm_vendor_specific tpm_inf = {
350350
.recv = tpm_inf_recv,
351351
.send = tpm_inf_send,
352352
.cancel = tpm_inf_cancel,
@@ -375,6 +375,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
375375
int version[2];
376376
int productid[2];
377377
char chipname[20];
378+
struct tpm_chip *chip;
378379

379380
/* read IO-ports through PnP */
380381
if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
@@ -395,14 +396,13 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
395396
goto err_last;
396397
}
397398
/* publish my base address and request region */
398-
tpm_inf.base = TPM_INF_BASE;
399399
if (request_region
400-
(tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
400+
(TPM_INF_BASE, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
401401
rc = -EINVAL;
402402
goto err_last;
403403
}
404-
if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN,
405-
"tpm_infineon0") == NULL) {
404+
if (request_region
405+
(TPM_INF_ADDR, TPM_INF_ADDR_LEN, "tpm_infineon0") == NULL) {
406406
rc = -EINVAL;
407407
goto err_last;
408408
}
@@ -442,20 +442,20 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
442442

443443
/* configure TPM with IO-ports */
444444
outb(IOLIMH, TPM_INF_ADDR);
445-
outb(((tpm_inf.base >> 8) & 0xff), TPM_INF_DATA);
445+
outb(((TPM_INF_BASE >> 8) & 0xff), TPM_INF_DATA);
446446
outb(IOLIML, TPM_INF_ADDR);
447-
outb((tpm_inf.base & 0xff), TPM_INF_DATA);
447+
outb((TPM_INF_BASE & 0xff), TPM_INF_DATA);
448448

449449
/* control if IO-ports are set correctly */
450450
outb(IOLIMH, TPM_INF_ADDR);
451451
ioh = inb(TPM_INF_DATA);
452452
outb(IOLIML, TPM_INF_ADDR);
453453
iol = inb(TPM_INF_DATA);
454454

455-
if ((ioh << 8 | iol) != tpm_inf.base) {
455+
if ((ioh << 8 | iol) != TPM_INF_BASE) {
456456
dev_err(&dev->dev,
457-
"Could not set IO-ports to 0x%lx\n",
458-
tpm_inf.base);
457+
"Could not set IO-ports to 0x%x\n",
458+
TPM_INF_BASE);
459459
rc = -EIO;
460460
goto err_release_region;
461461
}
@@ -466,35 +466,34 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
466466
outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);
467467

468468
/* disable RESET, LP and IRQC */
469-
outb(RESET_LP_IRQC_DISABLE, tpm_inf.base + CMD);
469+
outb(RESET_LP_IRQC_DISABLE, TPM_INF_BASE + CMD);
470470

471471
/* Finally, we're done, print some infos */
472472
dev_info(&dev->dev, "TPM found: "
473473
"config base 0x%x, "
474474
"io base 0x%x, "
475-
"chip version %02x%02x, "
476-
"vendor id %x%x (Infineon), "
477-
"product id %02x%02x"
475+
"chip version 0x%02x%02x, "
476+
"vendor id 0x%x%x (Infineon), "
477+
"product id 0x%02x%02x"
478478
"%s\n",
479479
TPM_INF_ADDR,
480480
TPM_INF_BASE,
481481
version[0], version[1],
482482
vendorid[0], vendorid[1],
483483
productid[0], productid[1], chipname);
484484

485-
rc = tpm_register_hardware(&dev->dev, &tpm_inf);
486-
if (rc < 0) {
487-
rc = -ENODEV;
485+
if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) {
488486
goto err_release_region;
489487
}
488+
chip->vendor.base = TPM_INF_BASE;
490489
return 0;
491490
} else {
492491
rc = -ENODEV;
493492
goto err_release_region;
494493
}
495494

496495
err_release_region:
497-
release_region(tpm_inf.base, TPM_INF_PORT_LEN);
496+
release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
498497
release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
499498

500499
err_last:
@@ -506,7 +505,8 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
506505
struct tpm_chip *chip = pnp_get_drvdata(dev);
507506

508507
if (chip) {
509-
release_region(chip->vendor->base, TPM_INF_PORT_LEN);
508+
release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
509+
release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
510510
tpm_remove_hardware(chip->dev);
511511
}
512512
}
@@ -538,5 +538,5 @@ module_exit(cleanup_inf);
538538

539539
MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
540540
MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
541-
MODULE_VERSION("1.7");
541+
MODULE_VERSION("1.8");
542542
MODULE_LICENSE("GPL");

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