ARM: MXC: mxcmmc: misc cleanups
Be more verbose on error messages and add one debug message.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Volker Ernst <volker.ernst@txtr.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Michał Mirosław <mirqus@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 2df9041..44a53ee 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -151,6 +151,8 @@
{
int i;
+ dev_dbg(mmc_dev(host->mmc), "mxcmci_softreset\n");
+
/* reset sequence */
writew(STR_STP_CLK_RESET, host->base + MMC_REG_STR_STP_CLK);
writew(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK,
@@ -290,16 +292,25 @@
dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",
stat);
if (stat & STATUS_CRC_READ_ERR) {
+ dev_err(mmc_dev(host->mmc), "%s: -EILSEQ\n", __func__);
data->error = -EILSEQ;
} else if (stat & STATUS_CRC_WRITE_ERR) {
u32 err_code = (stat >> 9) & 0x3;
- if (err_code == 2) /* No CRC response */
+ if (err_code == 2) { /* No CRC response */
+ dev_err(mmc_dev(host->mmc),
+ "%s: No CRC -ETIMEDOUT\n", __func__);
data->error = -ETIMEDOUT;
- else
+ } else {
+ dev_err(mmc_dev(host->mmc),
+ "%s: -EILSEQ\n", __func__);
data->error = -EILSEQ;
+ }
} else if (stat & STATUS_TIME_OUT_READ) {
+ dev_err(mmc_dev(host->mmc),
+ "%s: read -ETIMEDOUT\n", __func__);
data->error = -ETIMEDOUT;
} else {
+ dev_err(mmc_dev(host->mmc), "%s: -EIO\n", __func__);
data->error = -EIO;
}
} else {
@@ -433,8 +444,6 @@
struct scatterlist *sg;
int stat, i;
- host->datasize = 0;
-
host->data = data;
host->datasize = 0;