Messages in this thread Patch in this message | | | Subject | [PATCH] tpm: fix bug for TPM on ThinkPad T60 and Z60 | From | Kylene Jo Hall <> | Date | Thu, 25 May 2006 14:38:16 -0500 |
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The TPM chip on the ThinkPad T60 and Z60 machines is returning 0xFFFF for the vendor ID which is a check the driver made to double check it was actually talking to the memory mapped space of a TPM. This patch removes the check since it isn't absolutely necessary and was causing device discovery to fail on these machines.
This bug fix should go into 2.6.17.
Signed-off-by: Kylene Hall <kjhall@us.ibm.com> --- tpm_tis.c | 4 ---- 1 files changed, 4 deletions(-)
--- linux-2.6.17-rc3/drivers/char/tpm/tpm_tis.c 2006-05-16 12:33:36.434356500 -0500 +++ linux-2.6.17-rc3-tpm/drivers/char/tpm/tpm_tis.c 2006-05-25 14:52:01.793058750 -0500 @@ -457,10 +457,6 @@ static int __devinit tpm_tis_pnp_init(st } vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0)); - if ((vendor & 0xFFFF) == 0xFFFF) { - rc = -ENODEV; - goto out_err; - } /* Default timeouts */ chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
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