On 01/05/2015 11:38 PM, Haim Daniel wrote:
> In case a command is timed out, current flow sets the retry_flag
> and does nothing.
Really? That's not how I read the code: it retries up to 20 times before
bailing out.
Perhaps you missed the "if (try_count < 20) continue;" line?
Regards,
Hans
>
> Signed-off-by: Haim Daniel <haim.dan...@gmail.com>
> ---
> drivers/media/usb/pvrusb2/pvrusb2-encoder.c | 15 +--------------
> 1 file changed, 1 insertion(+), 14 deletions(-)
>
> diff --git a/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
> b/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
> index f7702ae..02028aa 100644
> --- a/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
> +++ b/drivers/media/usb/pvrusb2/pvrusb2-encoder.c
> @@ -145,8 +145,6 @@ static int pvr2_encoder_cmd(void *ctxt,
> u32 *argp)
> {
> unsigned int poll_count;
> - unsigned int try_count = 0;
> - int retry_flag;
> int ret = 0;
> unsigned int idx;
> /* These sizes look to be limited by the FX2 firmware implementation */
> @@ -213,8 +211,6 @@ static int pvr2_encoder_cmd(void *ctxt,
> break;
> }
>
> - retry_flag = 0;
> - try_count++;
> ret = 0;
> wrData[0] = 0;
> wrData[1] = cmd;
> @@ -245,11 +241,9 @@ static int pvr2_encoder_cmd(void *ctxt,
> }
> if (rdData[0] && (poll_count < 1000)) continue;
> if (!rdData[0]) {
> - retry_flag = !0;
> pvr2_trace(
> PVR2_TRACE_ERROR_LEGS,
> - "Encoder timed out waiting for us"
> - "; arranging to retry");
> + "Encoder timed out waiting for us");
> } else {
> pvr2_trace(
> PVR2_TRACE_ERROR_LEGS,
> @@ -269,13 +263,6 @@ static int pvr2_encoder_cmd(void *ctxt,
> ret = -EBUSY;
> break;
> }
> - if (retry_flag) {
> - if (try_count < 20) continue;
> - pvr2_trace(
> - PVR2_TRACE_ERROR_LEGS,
> - "Too many retries...");
> - ret = -EBUSY;
> - }
> if (ret) {
> del_timer_sync(&hdw->encoder_run_timer);
> hdw->state_encoder_ok = 0;
>
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