On 6 July 2016 at 18:21, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> On 4 July 2016 at 13:56, Bojan Prtvar <prtvar.b@xxxxxxxxx> wrote:
>> Make operation conditions register (OCR) easily accessible from user space.
>>
>> Signed-off-by: Bojan Prtvar <prtvar.b@xxxxxxxxx>
>
> Thanks, applied for next! Amended the changelog with the explanation
> why this change is wanted.
I just realized that the OCR register is also available for SD cards.
Could you perhaps cook a patch which adds this to sysfs for SD cards as well!?
Kind regards
Uffe
>
> Kind regards
> Uffe
>
>> ---
>> Documentation/mmc/mmc-dev-attrs.txt | 1 +
>> drivers/mmc/core/mmc.c | 2 ++
>> 2 files changed, 3 insertions(+)
>>
>> diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt
>> index caa5557..8163eca 100644
>> --- a/Documentation/mmc/mmc-dev-attrs.txt
>> +++ b/Documentation/mmc/mmc-dev-attrs.txt
>> @@ -28,6 +28,7 @@ All attributes are read-only.
>> preferred_erase_size Preferred erase size
>> raw_rpmb_size_mult RPMB partition size
>> rel_sectors Reliable write sector count
>> + ocr Operation Conditions Register
>>
>> Note on Erase Size and Preferred Erase Size:
>>
>> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
>> index 5d438ad..1848334 100644
>> --- a/drivers/mmc/core/mmc.c
>> +++ b/drivers/mmc/core/mmc.c
>> @@ -727,6 +727,7 @@ MMC_DEV_ATTR(enhanced_area_offset, "%llu\n",
>> MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size);
>> MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
>> MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
>> +MMC_DEV_ATTR(ocr, "%08x\n", card->ocr);
>>
>> static ssize_t mmc_fwrev_show(struct device *dev,
>> struct device_attribute *attr,
>> @@ -762,6 +763,7 @@ static struct attribute *mmc_std_attrs[] = {
>> &dev_attr_enhanced_area_size.attr,
>> &dev_attr_raw_rpmb_size_mult.attr,
>> &dev_attr_rel_sectors.attr,
>> + &dev_attr_ocr.attr,
>> NULL,
>> };
>> ATTRIBUTE_GROUPS(mmc_std);
>> --
>> 2.8.0.GIT
>>
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