lkml.org 
[lkml]   [2018]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] mmc: Export card RCA register to sysfs.
Date
This patch exports RCA register to sysfs which will help in
reading the disk identification information.

Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
---

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
\
 
 \ /
  Last update: 2018-03-07 06:02    [W:0.038 / U:4.188 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site