UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mmc: mxcmmc: replace spin_lock_irqsave with spin_lock in ISR 

As you are already in ISR, it is unnecessary to call spin_lock_irqsave.

Signed-off-by: jun qian <hangdianqj@163.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
jun qian 2018-09-11 07:47:01 -07:00 committed by Ulf Hansson
parent 54541815b4
commit 5a94189823
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mmc/host/mxcmmc.c
View File

@ -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) static irqreturn_t mxcmci_irq(int irq, void *devid)
{ {
struct mxcmci_host *host = devid; struct mxcmci_host *host = devid;
unsigned long flags;
bool sdio_irq; bool sdio_irq;
u32 stat; 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); 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; 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))) if (mxcmci_use_dma(host) && (stat & (STATUS_WRITE_OP_DONE)))
mxcmci_writel(host, STATUS_WRITE_OP_DONE, MMC_REG_STATUS); mxcmci_writel(host, STATUS_WRITE_OP_DONE, MMC_REG_STATUS);