lkml.org 
[lkml]   [2021]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] bus: mhi: core: Fix check for syserr at power_up
On Fri, Feb 12, 2021 at 02:27:23PM -0700, Jeffrey Hugo wrote:
> The check to see if we have reset the device after detecting syserr at
> power_up is inverted. wait_for_event_timeout() returns 0 on failure,
> and a positive value on success. The check is looking for non-zero
> as a failure, which is likely to incorrectly cause a device init failure
> if syserr was detected at power_up. Fix this.
>
> Fixes: e18d4e9fa79b ("bus: mhi: core: Handle syserr during power_up")
> Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>

Applied to mhi-next!

Thanks,
Mani

> ---
> drivers/bus/mhi/core/pm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bus/mhi/core/pm.c b/drivers/bus/mhi/core/pm.c
> index 681960c..36ab7aa 100644
> --- a/drivers/bus/mhi/core/pm.c
> +++ b/drivers/bus/mhi/core/pm.c
> @@ -1092,7 +1092,7 @@ int mhi_async_power_up(struct mhi_controller *mhi_cntrl)
> &val) ||
> !val,
> msecs_to_jiffies(mhi_cntrl->timeout_ms));
> - if (ret) {
> + if (!ret) {
> ret = -EIO;
> dev_info(dev, "Failed to reset MHI due to syserr state\n");
> goto error_bhi_offset;
> --
> Qualcomm Technologies, Inc. is a member of the
> Code Aurora Forum, a Linux Foundation Collaborative Project.
>

\
 
 \ /
  Last update: 2021-03-10 15:12    [W:0.189 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site