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| author | Alex Dubov <oakad@yahoo.com> | 2007-02-10 21:16:40 -0800 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-02-11 16:28:22 +0100 |
| commit | 12c834527b85571792f1c4f1d12632185bea44c2 (patch) | |
| tree | cbabb21d9747ca9ed30efe70be4be470505f8ba9 /drivers/mmc | |
| parent | abc71668b5c99b655c6b2677570748a840d4c713 (diff) | |
| download | linux-12c834527b85571792f1c4f1d12632185bea44c2.tar.gz linux-12c834527b85571792f1c4f1d12632185bea44c2.tar.bz2 linux-12c834527b85571792f1c4f1d12632185bea44c2.zip | |
tifm_sd: treat "status error" as normal command completion
TI FlasMedia controller attempts to validate command responses and
issues a "status error" if response does not matches its perceived
(by controller) value. As mmc layer does its own validation we can
safely ignore the controller's opinion.
Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/tifm_sd.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c index e65f8a0a9349..0581d09c58fc 100644 --- a/drivers/mmc/tifm_sd.c +++ b/drivers/mmc/tifm_sd.c @@ -36,8 +36,8 @@ module_param(fixed_timeout, bool, 0644); #define TIFM_MMCSD_INAB 0x0080 /* abort / initialize command */ #define TIFM_MMCSD_READ 0x8000 -#define TIFM_MMCSD_DATAMASK 0x001d /* set bits: EOFB, BRS, CB, EOC */ -#define TIFM_MMCSD_ERRMASK 0x41e0 /* set bits: CERR, CCRC, CTO, DCRC, DTO */ +#define TIFM_MMCSD_DATAMASK 0x401d /* set bits: CERR, EOFB, BRS, CB, EOC */ +#define TIFM_MMCSD_ERRMASK 0x01e0 /* set bits: CCRC, CTO, DCRC, DTO */ #define TIFM_MMCSD_EOC 0x0001 /* end of command phase */ #define TIFM_MMCSD_CB 0x0004 /* card enter busy state */ #define TIFM_MMCSD_BRS 0x0008 /* block received/sent */ @@ -242,7 +242,7 @@ change_state: case IDLE: return; case CMD: - if (host_status & TIFM_MMCSD_EOC) { + if (host_status & (TIFM_MMCSD_EOC | TIFM_MMCSD_CERR)) { tifm_sd_fetch_resp(cmd, sock); if (cmd->data) { host->state = BRS; @@ -341,10 +341,7 @@ static void tifm_sd_signal_irq(struct tifm_dev *sock, goto done; if (host_status & TIFM_MMCSD_ERRMASK) { - if (host_status & TIFM_MMCSD_CERR) - error_code = MMC_ERR_FAILED; - else if (host_status - & (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO)) + if (host_status & (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO)) error_code = MMC_ERR_TIMEOUT; else if (host_status & (TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC)) |