Re: [PATCH repost] i2c: rcar: Fix order of restart and clear status

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Aug 19, 2015 at 12:20:06AM +0900, Yoshihiro Kaneko wrote:
> From: Ryo Kataoka <ryo.kataoka.wt@xxxxxxxxxxx>
> 
> In case of repeated START condition, the restart has to be kicked
> before clear status (MSR register). If it is kicked after clear status,
> R-Car I2C may transfer data (TXD register) or receive data (RXD register)
> instead of transferring slave address (MAR register).
> 
> Signed-off-by: Ryo Kataoka <ryo.kataoka.wt@xxxxxxxxxxx>
> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@xxxxxxxxx>

I think I could reproduce the issue but changing the order of clearing
and kicking did not change anything for me. I have CCed you in my new
series regarding the i2c-rcar driver. That made the issue for me go
away. Can you kindly check, too?

Thanks,

   Wolfram

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux