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Merge tag 'tpmdd-next-v5.8-rc5' of git://git.infradead.org/users/jjs/…
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…linux-tpmdd

Pull tpm fix from Jarkko Sakkinen:
 "Revert commit e918e57 ("tpm_tis: Remove the HID IFX0102").

  Removing IFX0102 from tpm_tis was not a right move because both
  tpm_tis and tpm_infineon use the same device ID.

  A real fix requires quirks added to both drivers. It can probably wait
  until v5.9 as the bug has existed since 2006"

* tag 'tpmdd-next-v5.8-rc5' of git://git.infradead.org/users/jjs/linux-tpmdd:
  Revert commit e918e57 ("tpm_tis: Remove the HID IFX0102")
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torvalds committed Jul 7, 2020
2 parents bfe91da + 786a2aa commit a6bc851
Showing 1 changed file with 8 additions and 0 deletions.
8 changes: 8 additions & 0 deletions drivers/char/tpm/tpm_tis.c
Original file line number Diff line number Diff line change
Expand Up @@ -235,9 +235,17 @@ static int tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
return tpm_tis_init(&pnp_dev->dev, &tpm_info);
}

/*
* There is a known bug caused by 93e1b7d42e1e ("[PATCH] tpm: add HID module
* parameter"). This commit added IFX0102 device ID, which is also used by
* tpm_infineon but ignored to add quirks to probe which driver ought to be
* used.
*/

static struct pnp_device_id tpm_pnp_tbl[] = {
{"PNP0C31", 0}, /* TPM */
{"ATM1200", 0}, /* Atmel */
{"IFX0102", 0}, /* Infineon */
{"BCM0101", 0}, /* Broadcom */
{"BCM0102", 0}, /* Broadcom */
{"NSC1200", 0}, /* National */
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