diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc.h | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/tmio_mmc_pio.c | 13 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index 9b2284483cdd..2b349d48fb9a 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -91,6 +91,8 @@ #define TMIO_SDIO_STAT_EXWT 0x8000 #define TMIO_SDIO_MASK_ALL 0xc007 +#define TMIO_SDIO_SETBITS_MASK 0x0006 + /* Define some IRQ masks */ /* This is the mask used at reset by the chip */ #define TMIO_MASK_ALL 0x837f031d diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 6e1acb628edc..6b789a739d4d 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -134,12 +134,21 @@ static void tmio_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable) struct tmio_mmc_host *host = mmc_priv(mmc); if (enable && !host->sdio_irq_enabled) { + u16 sdio_status; + /* Keep device active while SDIO irq is enabled */ pm_runtime_get_sync(mmc_dev(mmc)); - host->sdio_irq_enabled = true; + host->sdio_irq_enabled = true; host->sdio_irq_mask = TMIO_SDIO_MASK_ALL & ~TMIO_SDIO_STAT_IOIRQ; + + /* Clear obsolete interrupts before enabling */ + sdio_status = sd_ctrl_read16(host, CTL_SDIO_STATUS) & ~TMIO_SDIO_MASK_ALL; + if (host->pdata->flags & TMIO_MMC_SDIO_STATUS_SETBITS) + sdio_status |= TMIO_SDIO_SETBITS_MASK; + sd_ctrl_write16(host, CTL_SDIO_STATUS, sdio_status); + sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK, host->sdio_irq_mask); } else if (!enable && host->sdio_irq_enabled) { host->sdio_irq_mask = TMIO_SDIO_MASK_ALL; @@ -724,7 +733,7 @@ static void __tmio_mmc_sdio_irq(struct tmio_mmc_host *host) sdio_status = status & ~TMIO_SDIO_MASK_ALL; if (pdata->flags & TMIO_MMC_SDIO_STATUS_SETBITS) - sdio_status |= 6; + sdio_status |= TMIO_SDIO_SETBITS_MASK; sd_ctrl_write16(host, CTL_SDIO_STATUS, sdio_status); |