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| author | Nicolas Ferre <nicolas.ferre@atmel.com> | 2008-06-10 11:27:29 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-07-15 14:14:42 +0200 |
| commit | fa1fe010c126ee69f2f75e3a4efc2f6252281ff8 (patch) | |
| tree | 807bef63045ebe8e3de3c91fd71e9f62b23a3b61 | |
| parent | ba7deeed96ca1855c153ad81c45baf6efe1a3362 (diff) | |
| download | linux-fa1fe010c126ee69f2f75e3a4efc2f6252281ff8.tar.bz2 | |
at91_mci: manage cmd error and data error independently
In at91_mci_completed_command() function, this patch distinguishes
command error and data error. It reports it in the corresponding
error field.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
| -rw-r--r-- | drivers/mmc/host/at91_mci.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index e1f91a42d521..e4d018b2fe9f 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -663,6 +663,7 @@ static void at91_mci_process_next(struct at91mci_host *host) static void at91_mci_completed_command(struct at91mci_host *host, unsigned int status) { struct mmc_command *cmd = host->cmd; + struct mmc_data *data = cmd->data; at91_mci_write(host, AT91_MCI_IDR, 0xffffffff & ~(AT91_MCI_SDIOIRQA | AT91_MCI_SDIOIRQB)); @@ -685,15 +686,25 @@ static void at91_mci_completed_command(struct at91mci_host *host, unsigned int s cmd->error = 0; } else { - if (status & (AT91_MCI_RTOE | AT91_MCI_DTOE)) - cmd->error = -ETIMEDOUT; - else if (status & (AT91_MCI_RCRCE | AT91_MCI_DCRCE)) - cmd->error = -EILSEQ; - else - cmd->error = -EIO; + if (status & (AT91_MCI_DTOE | AT91_MCI_DCRCE)) { + if (data) { + if (status & AT91_MCI_DTOE) + data->error = -ETIMEDOUT; + else if (status & AT91_MCI_DCRCE) + data->error = -EILSEQ; + } + } else { + if (status & AT91_MCI_RTOE) + cmd->error = -ETIMEDOUT; + else if (status & AT91_MCI_RCRCE) + cmd->error = -EILSEQ; + else + cmd->error = -EIO; + } - pr_debug("Error detected and set to %d (cmd = %d, retries = %d)\n", - cmd->error, cmd->opcode, cmd->retries); + pr_debug("Error detected and set to %d/%d (cmd = %d, retries = %d)\n", + cmd->error, data ? data->error : 0, + cmd->opcode, cmd->retries); } } else |