Messages in this thread | | | Date | Fri, 13 Oct 2017 20:52:01 +0200 | From | Wolfram Sang <> | Subject | Re: [PATCH v3] i2c: piix4: Disable completely the IMC during SMBUS_BLOCK_DATA |
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On Tue, Oct 10, 2017 at 06:11:15PM +0200, Ricardo Ribalda Delgado wrote: > SMBUS_BLOCK_DATA transactions might fail due to a race condition with > the IMC (Integrated Micro Controller), even when the IMC semaphore > is used. > > This bug has been reported and confirmed by AMD, who suggested as a > solution an IMC firmware upgrade (obtained via BIOS update) and > disabling the IMC during SMBUS_BLOCK_DATA transactions. > > Even without the IMC upgrade, the SMBUS is much more stable with this > patch. > > Tested on a Bettong-alike board. > > Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
What branch is this based on? I can't apply it on v4.14-rc4 or v4.13?
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