mmc: remove custom error codes
Convert the MMC layer to use standard error codes and not its own,
incompatible values.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 1edc62b..00895c9 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -193,30 +193,30 @@
u8 *status;
if (card->scr.sda_vsn < SCR_SPEC_VER_1)
- return MMC_ERR_NONE;
+ return 0;
if (!(card->csd.cmdclass & CCC_SWITCH)) {
printk(KERN_WARNING "%s: card lacks mandatory switch "
"function, performance might suffer.\n",
mmc_hostname(card->host));
- return MMC_ERR_NONE;
+ return 0;
}
- err = MMC_ERR_FAILED;
+ err = -EIO;
status = kmalloc(64, GFP_KERNEL);
if (!status) {
printk(KERN_ERR "%s: could not allocate a buffer for "
"switch capabilities.\n", mmc_hostname(card->host));
- return err;
+ return -ENOMEM;
}
err = mmc_sd_switch(card, 0, 0, 1, status);
- if (err != MMC_ERR_NONE) {
+ if (err) {
printk(KERN_WARNING "%s: problem reading switch "
"capabilities, performance might suffer.\n",
mmc_hostname(card->host));
- err = MMC_ERR_NONE;
+ err = 0;
goto out;
}
@@ -238,28 +238,28 @@
u8 *status;
if (card->scr.sda_vsn < SCR_SPEC_VER_1)
- return MMC_ERR_NONE;
+ return 0;
if (!(card->csd.cmdclass & CCC_SWITCH))
- return MMC_ERR_NONE;
+ return 0;
if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED))
- return MMC_ERR_NONE;
+ return 0;
if (card->sw_caps.hs_max_dtr == 0)
- return MMC_ERR_NONE;
+ return 0;
- err = MMC_ERR_FAILED;
+ err = -EIO;
status = kmalloc(64, GFP_KERNEL);
if (!status) {
printk(KERN_ERR "%s: could not allocate a buffer for "
"switch capabilities.\n", mmc_hostname(card->host));
- return err;
+ return -ENOMEM;
}
err = mmc_sd_switch(card, 1, 0, 1, status);
- if (err != MMC_ERR_NONE)
+ if (err)
goto out;
if ((status[16] & 0xF) != 1) {
@@ -309,18 +309,18 @@
* block-addressed SDHC cards.
*/
err = mmc_send_if_cond(host, ocr);
- if (err == MMC_ERR_NONE)
+ if (!err)
ocr |= 1 << 30;
err = mmc_send_app_op_cond(host, ocr, NULL);
- if (err != MMC_ERR_NONE)
+ if (err)
goto err;
/*
* Fetch CID from card.
*/
err = mmc_all_send_cid(host, cid);
- if (err != MMC_ERR_NONE)
+ if (err)
goto err;
if (oldcard) {
@@ -344,7 +344,7 @@
* Set card RCA.
*/
err = mmc_send_relative_addr(host, &card->rca);
- if (err != MMC_ERR_NONE)
+ if (err)
goto free_card;
mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL);
@@ -354,7 +354,7 @@
* Fetch CSD from card.
*/
err = mmc_send_csd(card, card->raw_csd);
- if (err != MMC_ERR_NONE)
+ if (err)
goto free_card;
err = mmc_decode_csd(card);
@@ -368,7 +368,7 @@
* Select card, as all following commands rely on that.
*/
err = mmc_select_card(card);
- if (err != MMC_ERR_NONE)
+ if (err)
goto free_card;
if (!oldcard) {
@@ -376,7 +376,7 @@
* Fetch SCR from card.
*/
err = mmc_app_send_scr(card, card->raw_scr);
- if (err != MMC_ERR_NONE)
+ if (err)
goto free_card;
err = mmc_decode_scr(card);
@@ -387,7 +387,7 @@
* Fetch switch information from card.
*/
err = mmc_read_switch(card);
- if (err != MMC_ERR_NONE)
+ if (err)
goto free_card;
}
@@ -395,7 +395,7 @@
* Attempt to change to high-speed (if supported)
*/
err = mmc_switch_hs(card);
- if (err != MMC_ERR_NONE)
+ if (err)
goto free_card;
/*
@@ -418,7 +418,7 @@
if ((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 != MMC_ERR_NONE)
+ if (err)
goto free_card;
mmc_set_bus_width(host, MMC_BUS_WIDTH_4);
@@ -442,14 +442,14 @@
if (!oldcard)
host->card = card;
- return MMC_ERR_NONE;
+ return 0;
free_card:
if (!oldcard)
mmc_remove_card(card);
err:
- return MMC_ERR_FAILED;
+ return -EIO;
}
/*
@@ -483,7 +483,7 @@
mmc_release_host(host);
- if (err != MMC_ERR_NONE) {
+ if (err) {
mmc_sd_remove(host);
mmc_claim_host(host);
@@ -574,7 +574,7 @@
err = mmc_sd_init_card(host, host->ocr, host->card);
mmc_release_host(host);
- if (err != MMC_ERR_NONE) {
+ if (err) {
mmc_sd_remove(host);
mmc_claim_host(host);
@@ -644,7 +644,7 @@
* Detect and init the card.
*/
err = mmc_sd_init_card(host, host->ocr, NULL);
- if (err != MMC_ERR_NONE)
+ if (err)
goto err;
mmc_release_host(host);