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[PATCH] tpm: add HID module parameter 

I recently found that not all BIOS manufacturers are using the specified
generic PNP id in their TPM ACPI table entry.  I have added the vendor
specific IDs that I know about and added a module parameter that a user can
specify another HID to the probe list if their device isn't being found by the
default list.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Kylene Jo Hall 2006-04-22 02:39:52 -07:00 committed by Linus Torvalds
parent 5713556843
commit 93e1b7d42e
1 changed files with 12 additions and 1 deletions
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13
drivers/char/tpm/tpm_tis.c
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@ -610,7 +610,13 @@ static int tpm_tis_pnp_resume(struct pnp_dev *dev)
static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = {
{"PNP0C31", 0}, /* TPM */
{"", 0}
{"ATM1200", 0}, /* Atmel */
{"IFX0102", 0}, /* Infineon */
{"BCM0101", 0}, /* Broadcom */
{"NSC1200", 0}, /* National */
/* Add new here */
{"", 0}, /* User Specified */
{"", 0} /* Terminator */
};
static struct pnp_driver tis_pnp_driver = {
@ -621,6 +627,11 @@ static struct pnp_driver tis_pnp_driver = {
.resume = tpm_tis_pnp_resume,
};
#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
static int __init init_tis(void)
{
return pnp_register_driver(&tis_pnp_driver);