This patch exports RCA register to sysfs which will help in reading the disk identification information. Reviewed-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> Signed-off-by: Harish Jenny K N <harish_kandiga@xxxxxxxxxx> --- Changes in v2: - Used 0x%04x to display 16 bit register drivers/mmc/core/mmc.c | 2 ++ drivers/mmc/core/sd.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 208a762..6f8ebd6 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -792,6 +792,7 @@ static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width) 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, "0x%08x\n", card->ocr); +MMC_DEV_ATTR(rca, "0x%04x\n", card->rca); MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en); static ssize_t mmc_fwrev_show(struct device *dev, @@ -848,6 +849,7 @@ static ssize_t mmc_dsr_show(struct device *dev, &dev_attr_raw_rpmb_size_mult.attr, &dev_attr_rel_sectors.attr, &dev_attr_ocr.attr, + &dev_attr_rca.attr, &dev_attr_dsr.attr, &dev_attr_cmdq_en.attr, NULL, diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 62b84dd..2ecd098 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -676,6 +676,7 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card) MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial); MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr); +MMC_DEV_ATTR(rca, "0x%04x\n", card->rca); static ssize_t mmc_dsr_show(struct device *dev, @@ -709,6 +710,7 @@ static ssize_t mmc_dsr_show(struct device *dev, &dev_attr_oemid.attr, &dev_attr_serial.attr, &dev_attr_ocr.attr, + &dev_attr_rca.attr, &dev_attr_dsr.attr, NULL, }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
