From: "Sajida Bhanu (Temp)" <quic_c_sbhanu@quicinc.com>
To: Adrian Hunter <adrian.hunter@intel.com>, <ulf.hansson@linaro.org>,
<wsa+renesas@sang-engineering.com>, <shawn.lin@rock-chips.com>,
<yoshihiro.shimoda.uh@renesas.com>, <digetx@gmail.com>,
<quic_asutoshd@quicinc.com>
Cc: <linux-arm-msm@vger.kernel.org>, <linux-mmc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <quic_rampraka@quicinc.com>,
<quic_pragalla@quicinc.com>, <quic_sartgarg@quicinc.com>,
<quic_nitirawa@quicinc.com>, <quic_sayalil@quicinc.com>,
Liangliang Lu <quic_luliang@quicinc.com>,
"Bao D . Nguyen" <quic_nguyenb@quicinc.com>
Subject: Re: [PATCH V6 4/5] mmc: debugfs: Add debug fs error state entry for mmc driver
Date: Tue, 24 May 2022 10:49:32 +0530 [thread overview]
Message-ID: <c0217be0-2c69-8dcb-45c4-a8bd47063da0@quicinc.com> (raw)
In-Reply-To: <79590e32-5505-7a0c-81b4-0efd5c8f156f@intel.com>
Hi Adrian,
Thanks for the review.
Please find the inline comments.
Thanks,
Sajida
On 5/23/2022 12:45 PM, Adrian Hunter wrote:
> On 18/05/22 10:02, Shaik Sajida Bhanu wrote:
>> Add debug fs entry error state to query eMMC and SD card errors statistics.
>> If any errors occurred in eMMC and SD card driver level then
>> err_state value will be set to 1.
>>
>> Signed-off-by: Liangliang Lu <quic_luliang@quicinc.com>
>> Signed-off-by: Sayali Lokhande <quic_sayalil@quicinc.com>
>> Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
>> Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu@quicinc.com>
> Could use debugfs_create_file_unsafe() (see below)
>
> Otherwise:
>
> Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Sure Thank you
>
>> ---
>> drivers/mmc/core/debugfs.c | 23 +++++++++++++++++++++++
>> 1 file changed, 23 insertions(+)
>>
>> diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
>> index 6aa5a60..3c7908d 100644
>> --- a/drivers/mmc/core/debugfs.c
>> +++ b/drivers/mmc/core/debugfs.c
>> @@ -223,6 +223,27 @@ static int mmc_clock_opt_set(void *data, u64 val)
>> DEFINE_DEBUGFS_ATTRIBUTE(mmc_clock_fops, mmc_clock_opt_get, mmc_clock_opt_set,
>> "%llu\n");
>>
>> +static int mmc_err_state_get(void *data, u64 *val)
>> +{
>> + struct mmc_host *host = data;
>> + int i;
>> +
>> + if (!host)
>> + return -EINVAL;
>> +
>> + *val = 0;
>> + for (i = 0; i < MMC_ERR_MAX; i++) {
>> + if (host->err_stats[i]) {
>> + *val = 1;
>> + break;
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +DEFINE_DEBUGFS_ATTRIBUTE(mmc_err_state, mmc_err_state_get, NULL, "%llu\n");
>> +
>> static int mmc_err_stats_show(struct seq_file *file, void *data)
>> {
>> struct mmc_host *host = (struct mmc_host *)file->private;
>> @@ -289,6 +310,8 @@ void mmc_add_host_debugfs(struct mmc_host *host)
>> debugfs_create_file_unsafe("clock", S_IRUSR | S_IWUSR, root, host,
>> &mmc_clock_fops);
>>
>> + debugfs_create_file("err_state", 0600, root, host,
>> + &mmc_err_state);
> This could use debugfs_create_file_unsafe()
Sure
>
>> debugfs_create_file("err_stats", 0600, root, host,
>> &mmc_err_stats_fops);
>>
next prev parent reply other threads:[~2022-05-24 5:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 7:02 [PATCH V6 0/5] mmc: add error statistics for eMMC and SD card Shaik Sajida Bhanu
2022-05-18 7:02 ` [PATCH V6 1/5] mmc: core: Capture eMMC and SD card errors Shaik Sajida Bhanu
2022-05-23 7:14 ` Adrian Hunter
2022-05-24 5:56 ` Sajida Bhanu (Temp)
2022-05-18 7:02 ` [PATCH V6 2/5] mmc: sdhci: " Shaik Sajida Bhanu
2022-05-23 7:14 ` Adrian Hunter
2022-05-24 5:48 ` Sajida Bhanu (Temp)
2022-05-18 7:02 ` [PATCH V6 3/5] mmc: debugfs: Add debug fs entry for mmc driver Shaik Sajida Bhanu
2022-05-23 7:15 ` Adrian Hunter
2022-05-18 7:02 ` [PATCH V6 4/5] mmc: debugfs: Add debug fs error state " Shaik Sajida Bhanu
2022-05-23 7:15 ` Adrian Hunter
2022-05-24 5:19 ` Sajida Bhanu (Temp) [this message]
2022-05-18 7:02 ` [PATCH V6 5/5] mmc: cqhci: Capture eMMC and SD card errors Shaik Sajida Bhanu
2022-05-23 7:15 ` Adrian Hunter
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