Messages in this thread Patch in this message | | | From | jun qian <> | Subject | [PATCH] mmc: mxcmmc: replace spin_lock_irqsave with spin_lock in ISR | Date | Tue, 11 Sep 2018 07:47:01 -0700 |
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As you are already in ISR, it is unnecessary to call spin_lock_irqsave.
Signed-off-by: jun qian <hangdianqj@163.com> --- drivers/mmc/host/mxcmmc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index de4e6e5bf304..4d17032d15ee 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -728,7 +728,6 @@ static void mxcmci_cmd_done(struct mxcmci_host *host, unsigned int stat) static irqreturn_t mxcmci_irq(int irq, void *devid) { struct mxcmci_host *host = devid; - unsigned long flags; bool sdio_irq; u32 stat; @@ -740,9 +739,9 @@ static irqreturn_t mxcmci_irq(int irq, void *devid) dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat); - spin_lock_irqsave(&host->lock, flags); + spin_lock(&host->lock); sdio_irq = (stat & STATUS_SDIO_INT_ACTIVE) && host->use_sdio; - spin_unlock_irqrestore(&host->lock, flags); + spin_unlock(&host->lock); if (mxcmci_use_dma(host) && (stat & (STATUS_WRITE_OP_DONE))) mxcmci_writel(host, STATUS_WRITE_OP_DONE, MMC_REG_STATUS); -- 2.17.1
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