Messages in this thread | | | Date | Wed, 11 Jul 2012 10:19:18 -0500 | From | Kent Yoder <> | Subject | Re: [PATCH 2/2] CHROMIUM: tpm: tpm_i2c_infineon: Lock the I2C adapter for a sequence of requests. |
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Hi Peter / Bryan,
On Tue, Jun 12, 2012 at 02:43:54PM +0200, Peter Huewe wrote: > From: Bryan Freed <bfreed@chromium.org> > > This is derived from Peter Huewe's recommended fix: > > On some ChromeOS systems, a TPM sharing the I2C bus with another device > gets confused when it sees I2C requests to that other device. > This change locks the I2C adapter for the duration of the full sequence > of I2C requests the TPM needs to complete. > > smbus_xfer is not supported, but SMBUS is not supported by the original > driver, either. > > Signed-off-by: Bryan Freed <bfreed@chromium.org> > Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
I've applied this patch to my tpmdd staging tree [1].
Thanks, Kent
[1] git://github.com/shpedoikal/linux.git tpmdd-next
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