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path: root/drivers/mmc/core/sd_ops.c
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Diffstat (limited to 'drivers/mmc/core/sd_ops.c')
-rw-r--r--drivers/mmc/core/sd_ops.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 16b774c18e75..de125a41aa7a 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -27,8 +27,8 @@ int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card)
int err;
struct mmc_command cmd = {0};
- BUG_ON(!host);
- BUG_ON(card && (card->host != host));
+ if (WARN_ON(card && card->host != host))
+ return -EINVAL;
cmd.opcode = MMC_APP_CMD;
@@ -72,8 +72,8 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, struct mmc_card *card,
int i, err;
- BUG_ON(!cmd);
- BUG_ON(retries < 0);
+ if (retries < 0)
+ retries = MMC_CMD_RETRIES;
err = -EIO;
@@ -122,9 +122,6 @@ int mmc_app_set_bus_width(struct mmc_card *card, int width)
{
struct mmc_command cmd = {0};
- BUG_ON(!card);
- BUG_ON(!card->host);
-
cmd.opcode = SD_APP_SET_BUS_WIDTH;
cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
@@ -147,8 +144,6 @@ int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
struct mmc_command cmd = {0};
int i, err = 0;
- BUG_ON(!host);
-
cmd.opcode = SD_APP_OP_COND;
if (mmc_host_is_spi(host))
cmd.arg = ocr & (1 << 30); /* SPI only defines one bit */
@@ -224,9 +219,6 @@ int mmc_send_relative_addr(struct mmc_host *host, unsigned int *rca)
int err;
struct mmc_command cmd = {0};
- BUG_ON(!host);
- BUG_ON(!rca);
-
cmd.opcode = SD_SEND_RELATIVE_ADDR;
cmd.arg = 0;
cmd.flags = MMC_RSP_R6 | MMC_CMD_BCR;
@@ -249,10 +241,6 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
struct scatterlist sg;
void *data_buf;
- BUG_ON(!card);
- BUG_ON(!card->host);
- BUG_ON(!scr);
-
/* NOTE: caller guarantees scr is heap-allocated */
err = mmc_app_cmd(card->host, card);
@@ -307,9 +295,6 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group,
struct mmc_data data = {0};
struct scatterlist sg;
- BUG_ON(!card);
- BUG_ON(!card->host);
-
/* NOTE: caller guarantees resp is heap-allocated */
mode = !!mode;
@@ -352,10 +337,6 @@ int mmc_app_sd_status(struct mmc_card *card, void *ssr)
struct mmc_data data = {0};
struct scatterlist sg;
- BUG_ON(!card);
- BUG_ON(!card->host);
- BUG_ON(!ssr);
-
/* NOTE: caller guarantees ssr is heap-allocated */
err = mmc_app_cmd(card->host, card);