From 5fb06af7a33b4b5cedccedb611cf77568163027b Mon Sep 17 00:00:00 2001 From: Bojan Prtvar Date: Mon, 4 Jul 2016 13:56:55 +0200 Subject: [PATCH] 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 Reviewed-by: Wolfram Sang Signed-off-by: Ulf Hansson --- Documentation/mmc/mmc-dev-attrs.txt | 1 + drivers/mmc/core/mmc.c | 2 ++ drivers/mmc/core/sd.c | 2 ++ 3 files changed, 5 insertions(+) diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt index caa555706f89..8163eca8522b 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 548504024587..403b97b00bd5 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -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); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index b95bd24d92f4..3dd0861f4557 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -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); -- 2.20.1