Re: [PATCH] usb: dwc2: Add extra delay when forcing dr_mode

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

 



Am Donnerstag, 4. Februar 2016, 17:50:34 schrieb John Youn:
> Fixes an issue found on rockchip rk3036-based SOC platforms. For some
> reason, the existing msleep(25) is not enough after the force mode. The
> following patch was reported to fix the issue.
> 
> This does increase the probe delay again slightly, but not up to the
> level it was before the original series of patches that this fixes. It
> does not cause any other issues when tested on Synopsys HAPS and Altera
> socfpga platforms.
> 
> Need to revisit this series next release to see if we can address these
> issues without having an unconditional delay.
> 
> Fixes: 09c96980dc72 ("usb: dwc2: Add functions to set and clear force
> mode") Reported-by: Caesar Wang <caesar.upstream@xxxxxxxxx>
> Tested-by: Caesar Wang <caesar.upstream@xxxxxxxxx>
> Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>

Tested-by: Heiko Stuebner <heiko@xxxxxxxxx>
(also on a rk3036 where I hit the described problem)

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux