Re: [PATCH] i2c: i801: Ensure that SMBHSTSTS_INUSE_STS is cleared when leaving i801_access

[Greg KH <gregkh@linuxfoundation.org>]

On Sun, Jun 06, 2021 at 03:41:03PM +0200, Heiner Kallweit wrote:
> As explained in [0] currently we may leave SMBHSTSTS_INUSE_STS set,
> thus potentially breaking ACPI/BIOS usage of the SMBUS device.
> 
> Seems patch [0] needs a little bit more of review effort, therefore
> I'd suggest to apply a part of it as quick win. Just clearing
> SMBHSTSTS_INUSE_STS when leaving i801_access() should fix the
> referenced issue and leaves more time for discussing a more
> sophisticated locking handling.
> 
> [0] https://www.spinics.net/lists/linux-i2c/msg51558.html
> 
> Fixes: 01590f361e94 ("i2c: i801: Instantiate SPD EEPROMs automatically")
> Suggested-by: Hector Martin <marcan@marcan.st>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
> ---
>  drivers/i2c/busses/i2c-i801.c | 3 +++
>  1 file changed, 3 insertions(+)
> 


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>