UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mmc: core: Extend sysfs with OCR register 

Registers CID and CSD are already exported through sysfs so let's make
this interface complete by adding missing OCR register.

Signed-off-by: Bojan Prtvar <prtvar.b@gmail.com>
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Bojan Prtvar 2016-07-04 13:56:55 +02:00 committed by Ulf Hansson
parent 1883edd17d
commit 5fb06af7a3
3 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/mmc/mmc-dev-attrs.txt
View File

@ -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:

2
drivers/mmc/core/mmc.c
View File

@ -749,6 +749,7 @@ 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,
@ -784,6 +785,7 @@ 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
drivers/mmc/core/sd.c
View File

@ -675,6 +675,7 @@ 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(serial, "0x%08x\n", card->cid.serial);
MMC_DEV_ATTR(ocr, "%08x\n", card->ocr);
static struct attribute *sd_std_attrs[] = {
@ -690,6 +691,7 @@ static struct attribute *sd_std_attrs[] = {
&dev_attr_name.attr,
&dev_attr_oemid.attr,
&dev_attr_serial.attr,
&dev_attr_ocr.attr,
NULL,
};
ATTRIBUTE_GROUPS(sd_std);