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path: root/drivers/mmc/core/sd.c
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Diffstat (limited to 'drivers/mmc/core/sd.c')
-rw-r--r--drivers/mmc/core/sd.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 62b84dd8f9fe..baf3d5da4ccb 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -291,8 +291,6 @@ static int mmc_read_switch(struct mmc_card *card)
return 0;
}
- err = -EIO;
-
status = kmalloc(64, GFP_KERNEL);
if (!status)
return -ENOMEM;
@@ -582,9 +580,6 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
int err;
u8 *status;
- if (!card->scr.sda_spec3)
- return 0;
-
if (!(card->csd.cmdclass & CCC_SWITCH))
return 0;
@@ -593,14 +588,11 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
return -ENOMEM;
/* Set 4-bit bus width */
- if ((card->host->caps & MMC_CAP_4_BIT_DATA) &&
- (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {
- err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);
- if (err)
- goto out;
+ err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);
+ if (err)
+ goto out;
- mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);
- }
+ mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);
/*
* Select the bus speed mode depending on host
@@ -676,6 +668,7 @@ 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, "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 +702,7 @@ static struct attribute *sd_std_attrs[] = {
&dev_attr_oemid.attr,
&dev_attr_serial.attr,
&dev_attr_ocr.attr,
+ &dev_attr_rca.attr,
&dev_attr_dsr.attr,
NULL,
};
@@ -1033,7 +1027,7 @@ retry:
}
/* Initialization sequence for UHS-I cards */
- if (rocr & SD_ROCR_S18A) {
+ if (rocr & SD_ROCR_S18A && mmc_host_uhs(host)) {
err = mmc_sd_init_uhs_card(card);
if (err)
goto free_card;