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path: root/drivers/mmc/core
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Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/bus.c12
-rw-r--r--drivers/mmc/core/sd.c36
-rw-r--r--drivers/mmc/core/sdio.c24
-rw-r--r--drivers/mmc/core/sdio_bus.c34
4 files changed, 103 insertions, 3 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 70207f11a654..c2e70b757dd1 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -68,6 +68,7 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct mmc_card *card = mmc_dev_to_card(dev);
const char *type;
+ unsigned int i;
int retval = 0;
switch (card->type) {
@@ -98,6 +99,17 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
card->cis.vendor, card->cis.device);
if (retval)
return retval;
+
+ retval = add_uevent_var(env, "SDIO_REVISION=%u.%u",
+ card->major_rev, card->minor_rev);
+ if (retval)
+ return retval;
+
+ for (i = 0; i < card->num_info; i++) {
+ retval = add_uevent_var(env, "SDIO_INFO%u=%s", i+1, card->info[i]);
+ if (retval)
+ return retval;
+ }
}
/*
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 5a2210c25aa7..429ca14fa7e1 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -709,10 +709,34 @@ static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL);
MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
+MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
+
+#define sdio_info_attr(num) \
+static ssize_t info##num##_show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+ struct mmc_card *card = mmc_dev_to_card(dev); \
+ \
+ if (num > card->num_info) \
+ return -ENODATA; \
+ if (!card->info[num-1][0]) \
+ return 0; \
+ return sprintf(buf, "%s\n", card->info[num-1]); \
+} \
+static DEVICE_ATTR_RO(info##num)
+
+sdio_info_attr(1);
+sdio_info_attr(2);
+sdio_info_attr(3);
+sdio_info_attr(4);
static struct attribute *sd_std_attrs[] = {
&dev_attr_vendor.attr,
&dev_attr_device.attr,
+ &dev_attr_revision.attr,
+ &dev_attr_info1.attr,
+ &dev_attr_info2.attr,
+ &dev_attr_info3.attr,
+ &dev_attr_info4.attr,
&dev_attr_cid.attr,
&dev_attr_csd.attr,
&dev_attr_scr.attr,
@@ -738,9 +762,15 @@ static umode_t sd_std_is_visible(struct kobject *kobj, struct attribute *attr,
struct device *dev = container_of(kobj, struct device, kobj);
struct mmc_card *card = mmc_dev_to_card(dev);
- /* CIS vendor and device ids are available only for Combo cards */
- if ((attr == &dev_attr_vendor.attr || attr == &dev_attr_device.attr) &&
- card->type != MMC_TYPE_SD_COMBO)
+ /* CIS vendor and device ids, revision and info string are available only for Combo cards */
+ if ((attr == &dev_attr_vendor.attr ||
+ attr == &dev_attr_device.attr ||
+ attr == &dev_attr_revision.attr ||
+ attr == &dev_attr_info1.attr ||
+ attr == &dev_attr_info2.attr ||
+ attr == &dev_attr_info3.attr ||
+ attr == &dev_attr_info4.attr
+ ) && card->type != MMC_TYPE_SD_COMBO)
return 0;
return attr->mode;
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 7b40553d3934..694a212cbe25 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -29,12 +29,36 @@
MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
+MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
+#define sdio_info_attr(num) \
+static ssize_t info##num##_show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+ struct mmc_card *card = mmc_dev_to_card(dev); \
+ \
+ if (num > card->num_info) \
+ return -ENODATA; \
+ if (!card->info[num-1][0]) \
+ return 0; \
+ return sprintf(buf, "%s\n", card->info[num-1]); \
+} \
+static DEVICE_ATTR_RO(info##num)
+
+sdio_info_attr(1);
+sdio_info_attr(2);
+sdio_info_attr(3);
+sdio_info_attr(4);
+
static struct attribute *sdio_std_attrs[] = {
&dev_attr_vendor.attr,
&dev_attr_device.attr,
+ &dev_attr_revision.attr,
+ &dev_attr_info1.attr,
+ &dev_attr_info2.attr,
+ &dev_attr_info3.attr,
+ &dev_attr_info4.attr,
&dev_attr_ocr.attr,
&dev_attr_rca.attr,
NULL,
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 2384829c8fb2..3d709029e07c 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -42,12 +42,36 @@ static DEVICE_ATTR_RO(field)
sdio_config_attr(class, "0x%02x\n", func->class);
sdio_config_attr(vendor, "0x%04x\n", func->vendor);
sdio_config_attr(device, "0x%04x\n", func->device);
+sdio_config_attr(revision, "%u.%u\n", func->major_rev, func->minor_rev);
sdio_config_attr(modalias, "sdio:c%02Xv%04Xd%04X\n", func->class, func->vendor, func->device);
+#define sdio_info_attr(num) \
+static ssize_t info##num##_show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+ struct sdio_func *func = dev_to_sdio_func(dev); \
+ \
+ if (num > func->num_info) \
+ return -ENODATA; \
+ if (!func->info[num-1][0]) \
+ return 0; \
+ return sprintf(buf, "%s\n", func->info[num-1]); \
+} \
+static DEVICE_ATTR_RO(info##num)
+
+sdio_info_attr(1);
+sdio_info_attr(2);
+sdio_info_attr(3);
+sdio_info_attr(4);
+
static struct attribute *sdio_dev_attrs[] = {
&dev_attr_class.attr,
&dev_attr_vendor.attr,
&dev_attr_device.attr,
+ &dev_attr_revision.attr,
+ &dev_attr_info1.attr,
+ &dev_attr_info2.attr,
+ &dev_attr_info3.attr,
+ &dev_attr_info4.attr,
&dev_attr_modalias.attr,
NULL,
};
@@ -98,6 +122,7 @@ static int
sdio_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct sdio_func *func = dev_to_sdio_func(dev);
+ unsigned int i;
if (add_uevent_var(env,
"SDIO_CLASS=%02X", func->class))
@@ -108,6 +133,15 @@ sdio_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
return -ENOMEM;
if (add_uevent_var(env,
+ "SDIO_REVISION=%u.%u", func->major_rev, func->minor_rev))
+ return -ENOMEM;
+
+ for (i = 0; i < func->num_info; i++) {
+ if (add_uevent_var(env, "SDIO_INFO%u=%s", i+1, func->info[i]))
+ return -ENOMEM;
+ }
+
+ if (add_uevent_var(env,
"MODALIAS=sdio:c%02Xv%04Xd%04X",
func->class, func->vendor, func->device))
return -ENOMEM;
generated by cgit (git 2.34.1) at 2025-04-16 01:04:40 +0000