Messages in this thread Patch in this message | | | From | "Sajida Bhanu (Temp) (QUIC)" <> | Subject | RE: [PATCH V3 3/4] mmc: core: Capture eMMC and SD card errors | Date | Tue, 25 Jan 2022 18:40:30 +0000 |
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Hi,
Thanks for the review.
Please find the inline comments.
Thanks, Sajida
-----Original Message----- From: Adrian Hunter <adrian.hunter@intel.com> Sent: Friday, January 21, 2022 1:50 PM To: Sajida Bhanu (Temp) (QUIC) <quic_c_sbhanu@quicinc.com>; Asutosh Das (QUIC) <quic_asutoshd@quicinc.com>; ulf.hansson@linaro.org; agross@kernel.org; bjorn.andersson@linaro.org; linux-mmc@vger.kernel.org; linux-arm-msm@vger.kernel.org; linux-kernel@vger.kernel.org Cc: stummala@codeaurora.org; vbadigan@codeaurora.org; Ram Prakash Gupta (QUIC) <quic_rampraka@quicinc.com>; Pradeep Pragallapati (QUIC) <quic_pragalla@quicinc.com>; sartgarg@codeaurora.org; nitirawa@codeaurora.org; sayalil@codeaurora.org; Liangliang Lu <luliang@codeaurora.org>; Bao D . Nguyen <nguyenb@codeaurora.org> Subject: Re: [PATCH V3 3/4] mmc: core: Capture eMMC and SD card errors
On 20/01/2022 19:26, Shaik Sajida Bhanu wrote: > Add changes to capture eMMC and SD card errors. > This is useful for debug and testing. > > Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu@quicinc.com> > Signed-off-by: Liangliang Lu <luliang@codeaurora.org> > Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org> > Signed-off-by: Bao D. Nguyen <nguyenb@codeaurora.org> > Signed-off-by: Ram Prakash Gupta <quic_rampraka@quicinc.com> > --- > drivers/mmc/core/core.c | 8 ++++++++ drivers/mmc/core/queue.c | 3 > +++ > 2 files changed, 11 insertions(+) > > diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index > 368f104..c586d69 100644 > --- a/drivers/mmc/core/core.c > +++ b/drivers/mmc/core/core.c > @@ -2242,6 +2242,14 @@ void mmc_rescan(struct work_struct *work) > if (freqs[i] <= host->f_min) > break; > } > + > + /* > + * Ignore the command timeout errors observed during > + * the card init as those are excepted. > + */ > +
Please remove blank line here.
>>>>Sure.
> + if (host && host->err_stats_enabled)
The condition is not needed.
>>>>Sure .
> + host->err_stats[MMC_ERR_CMD_TIMEOUT] = 0;
Please put this after successful call to mmc_rescan_try_freq
>>>>>Sure.
> mmc_release_host(host); > > out: > diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index > c69b2d9..7dc9dfb 100644 > --- a/drivers/mmc/core/queue.c > +++ b/drivers/mmc/core/queue.c > @@ -100,6 +100,9 @@ static enum blk_eh_timer_return mmc_cqe_timed_out(struct request *req) > enum mmc_issue_type issue_type = mmc_issue_type(mq, req); > bool recovery_needed = false; > > + if (host->err_stats_enabled) > + mmc_debugfs_err_stats_inc(host, MMC_ERR_CMDQ_REQ_TIMEOUT);
Doesn't this get covered by the drivers. It seems like this should not be needed.
>>>>>>Okay
> + > switch (issue_type) { > case MMC_ISSUE_ASYNC: > case MMC_ISSUE_DCMD: >
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