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authorStefan Berger2012-01-20 18:58:50 +0100
committerRajiv Andrade2012-02-14 19:43:18 +0100
commit968de8e24d08fcc425e112ca465d4688b89b777b (patch)
tree729714da77b246a8273b04be4220ea11d1bbacec /drivers/char
parenttpm_tis: Only probe iTPMs (diff)
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tpm_tis: Clean up after module_param cleanup
Commit 90ab5ee94171b3e28de6bb42ee30b527014e0be7 changed the itpm module parameter from int to bool. Some other changes need to be done to clean up after this change. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm_tis.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 47ba9c213cc1..1250e3323c43 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -367,7 +367,7 @@ static int probe_itpm(struct tpm_chip *chip)
0x00, 0x00, 0x00, 0xf1
};
size_t len = sizeof(cmd_getticks);
- int rem_itpm = itpm;
+ bool rem_itpm = itpm;
u16 vendor = ioread16(chip->vendor.iobase + TPM_DID_VID(0));
/* probe only iTPMS */
@@ -510,7 +510,7 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
resource_size_t len, unsigned int irq)
{
u32 vendor, intfcaps, intmask;
- int rc, i, irq_s, irq_e;
+ int rc, i, irq_s, irq_e, probe;
struct tpm_chip *chip;
if (!(chip = tpm_register_hardware(dev, &tpm_tis)))
@@ -540,11 +540,12 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
if (!itpm) {
- itpm = probe_itpm(chip);
- if (itpm < 0) {
+ probe = probe_itpm(chip);
+ if (probe < 0) {
rc = -ENODEV;
goto out_err;
}
+ itpm = (probe == 0) ? 0 : 1;
}
if (itpm)