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| author | Daniel Mack <daniel@caiaq.de> | 2010-04-01 10:03:23 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-04-14 09:18:06 +0200 |
| commit | 4725f6f17691f4602e3e31d785da5a461a16ccfe (patch) | |
| tree | 8c4215fda7650ee57eaa26ca9618a2a2b2e82148 /drivers/mmc | |
| parent | 066fb8472036805e31ee002097f619815e25a127 (diff) | |
| download | linux-4725f6f17691f4602e3e31d785da5a461a16ccfe.tar.gz linux-4725f6f17691f4602e3e31d785da5a461a16ccfe.tar.bz2 linux-4725f6f17691f4602e3e31d785da5a461a16ccfe.zip | |
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mxcmmc.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 2df90412abb5..44a53ee5e212 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -151,6 +151,8 @@ static void mxcmci_softreset(struct mxcmci_host *host) { 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 @@ static int mxcmci_finish_data(struct mxcmci_host *host, unsigned int stat) 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 @@ static int mxcmci_transfer_data(struct mxcmci_host *host) struct scatterlist *sg; int stat, i; - host->datasize = 0; - host->data = data; host->datasize = 0; |