On Thu, 12 Oct 2017 10:46:59 -0700 Jin Qian wrote:
> From: Jin Qian <jinqian@xxxxxxxxxx>
>
> Expose emmc revision as part of device attributes.
>
> Signed-off-by: Jin Qian <jinqian@xxxxxxxxxxx>
> ---
A trivial point: when you send newer version, could you add change log
so that it's clearly expressed what's updated/addressed.
> Documentation/ABI/testing/sysfs-bus-mmc | 4 ++++
> drivers/mmc/core/mmc.c | 2 ++
> 2 files changed, 6 insertions(+)
> create mode 100644 Documentation/ABI/testing/sysfs-bus-mmc
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-mmc b/Documentation/ABI/testing/sysfs-bus-mmc
> new file mode 100644
> index 000000000000..519f028d19cc
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-bus-mmc
> @@ -0,0 +1,4 @@
> +What: /sys/bus/mmc/devices/.../rev
> +Date: October 2017
> +Contact: Jin Qian <jinqian@xxxxxxxxxxx>
> +Description: Extended CSD revision number
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index 36217ad5e9b1..4aa4cfb2c9e1 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -780,6 +780,7 @@ MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
> MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
> MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
> MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv);
> +MMC_DEV_ATTR(rev, "0x%x\n", card->ext_csd.rev);
> MMC_DEV_ATTR(pre_eol_info, "%02x\n", card->ext_csd.pre_eol_info);
> MMC_DEV_ATTR(life_time, "0x%02x 0x%02x\n",
> card->ext_csd.device_life_time_est_typ_a,
> @@ -838,6 +839,7 @@ static struct attribute *mmc_std_attrs[] = {
> &dev_attr_name.attr,
> &dev_attr_oemid.attr,
> &dev_attr_prv.attr,
> + &dev_attr_rev.attr,
> &dev_attr_pre_eol_info.attr,
> &dev_attr_life_time.attr,
> &dev_attr_serial.attr,
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