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mmc: fix spinlock bf in irq env

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This commit is contained in:
lintao
2014-09-10 15:21:15 +08:00
parent 7b7f7e8ddb
commit 5dce427f17
1 changed files with 3 additions and 2 deletions
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5
drivers/mmc/host/rk_sdmmc.c
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@@ -1694,10 +1694,11 @@ static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb)
{ {
struct dw_mci_slot *slot = mmc_priv(mmc); struct dw_mci_slot *slot = mmc_priv(mmc);
struct dw_mci *host = slot->host; struct dw_mci *host = slot->host;
unsigned long flags;
u32 int_mask; u32 int_mask;
u32 sdio_int; u32 sdio_int;
spin_lock_bh(&host->lock); spin_lock_irqsave(&host->lock, flags);
/* Enable/disable Slot Specific SDIO interrupt */ /* Enable/disable Slot Specific SDIO interrupt */
int_mask = mci_readl(host, INTMASK); int_mask = mci_readl(host, INTMASK);
@@ -1723,7 +1724,7 @@ static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb)
(int_mask & ~sdio_int)); (int_mask & ~sdio_int));
} }
spin_unlock_bh(&host->lock); spin_unlock_irqrestore(&host->lock, flags);
} }
#ifdef CONFIG_MMC_DW_ROCKCHIP_SWITCH_VOLTAGE #ifdef CONFIG_MMC_DW_ROCKCHIP_SWITCH_VOLTAGE