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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>
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@ -610,7 +610,13 @@ static int tpm_tis_pnp_resume(struct pnp_dev *dev)
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static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = {
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{"PNP0C31", 0}, /* TPM */
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{"", 0}
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{"ATM1200", 0}, /* Atmel */
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{"IFX0102", 0}, /* Infineon */
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{"BCM0101", 0}, /* Broadcom */
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{"NSC1200", 0}, /* National */
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/* Add new here */
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{"", 0}, /* User Specified */
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{"", 0} /* Terminator */
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};
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static struct pnp_driver tis_pnp_driver = {
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@ -621,6 +627,11 @@ static struct pnp_driver tis_pnp_driver = {
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.resume = tpm_tis_pnp_resume,
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};
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#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
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module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
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sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
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MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
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static int __init init_tis(void)
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{
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return pnp_register_driver(&tis_pnp_driver);
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