Messages in this thread | | | From | Ulf Hansson <> | Date | Tue, 12 Jul 2016 11:53:50 +0200 | Subject | Re: [PATCH] mmc: core: Extend sysfs with OCR register |
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On 6 July 2016 at 18:21, Ulf Hansson <ulf.hansson@linaro.org> wrote: > On 4 July 2016 at 13:56, Bojan Prtvar <prtvar.b@gmail.com> wrote: >> Make operation conditions register (OCR) easily accessible from user space. >> >> Signed-off-by: Bojan Prtvar <prtvar.b@gmail.com> > > 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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