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atmel_mci: Show SR when block read fails 

Show controller status as well as card status when an error occurs
during block read.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2007-06-29 18:22:34 +02:00
parent 41be969f49
commit 4d5fa99c73
1 changed files with 7 additions and 6 deletions
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13
cpu/at32ap/atmel_mci.c
View File

@ -198,11 +198,11 @@ mmc_bread(int dev, unsigned long start, lbaint_t blkcnt,
/* Put the device into Transfer state */
ret = mmc_cmd(MMC_CMD_SELECT_CARD, mmc_rca << 16, resp, R1 | NCR);
if (ret) goto fail;
if (ret) goto out;
/* Set block length */
ret = mmc_cmd(MMC_CMD_SET_BLOCKLEN, mmc_blkdev.blksz, resp, R1 | NCR);
if (ret) goto fail;
if (ret) goto out;
pr_debug("MCI_DTOR = %08lx\n", mmci_readl(DTOR));
@ -211,7 +211,7 @@ mmc_bread(int dev, unsigned long start, lbaint_t blkcnt,
start * mmc_blkdev.blksz, resp,
(R1 | NCR | TRCMD_START | TRDIR_READ
| TRTYP_BLOCK));
if (ret) goto fail;
if (ret) goto out;
ret = -EIO;
wordcount = 0;
@ -219,7 +219,7 @@ mmc_bread(int dev, unsigned long start, lbaint_t blkcnt,
do {
status = mmci_readl(SR);
if (status & (ERROR_FLAGS | MMCI_BIT(OVRE)))
goto fail;
goto read_error;
} while (!(status & MMCI_BIT(RXRDY)));
if (status & MMCI_BIT(RXRDY)) {
@ -244,9 +244,10 @@ out:
mmc_cmd(MMC_CMD_SELECT_CARD, 0, resp, NCR);
return i;
fail:
read_error:
mmc_cmd(MMC_CMD_SEND_STATUS, mmc_rca << 16, &card_status, R1 | NCR);
printf("mmc: bread failed, card status = %08x\n", card_status);
printf("mmc: bread failed, status = %08x, card status = %08x\n",
status, card_status);
goto out;
}