diff options
| author | Pedro Perez de Heredia <pedro.perez@digi.com> | 2010-05-01 12:09:40 +0200 |
|---|---|---|
| committer | Pedro Perez de Heredia <pedro.perez@digi.com> | 2010-05-01 12:09:40 +0200 |
| commit | 64023d524087c947f537e6ff0aa1d208ccd326bc (patch) | |
| tree | d67d35950bce1d6e0e92d8a80a5a1ced14f635cc /drivers/mmc | |
| parent | 249162d595e0b91e5c3b4a03e4498c16b07da331 (diff) | |
ganges_driver: avoid disabling clock on SDIO2 (wireless interface)
This commit skips the code that disables the clock on the SDIO interface, for
the ConnectCore Wi-i.MX51. This was causing that we were losing interrupts on
the SDIO interface where the wireless module is attached.
Signed-off-by: Pedro Perez de Heredia <pedro.perez@digi.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mx_sdhci.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mmc/host/mx_sdhci.c b/drivers/mmc/host/mx_sdhci.c index 4bc3b32bc730..f79fab00120b 100644 --- a/drivers/mmc/host/mx_sdhci.c +++ b/drivers/mmc/host/mx_sdhci.c @@ -1184,6 +1184,16 @@ static void sdhci_tasklet_finish(unsigned long param) spin_unlock_irqrestore(&host->lock, flags); /* Stop the clock when the req is done */ + if (machine_is_ccwmx51js() || machine_is_ccwmx51()) { + /** + * On the ConnectCore Wi-i.MX51 this, disabling there clock + * causes that we lose interrupts on the wireless SDIO cards + * For that reason, we dont disable the clock on this platform + */ + mmc_request_done(host->mmc, mrq); + return; + } + flags = SDHCI_DATA_ACTIVE | SDHCI_DOING_WRITE | SDHCI_DOING_READ; if (machine_is_mx35_3ds()) { /* Do not disable the eSDHC clk on MX35 3DS board, @@ -1203,7 +1213,6 @@ static void sdhci_tasklet_finish(unsigned long param) mmc_request_done(host->mmc, mrq); } - } static void sdhci_timeout_timer(unsigned long data) |