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authorXiaofei Tan <tanxiaofei@huawei.com>2021-02-04 15:07:18 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2021-02-08 12:57:16 +0100
commitf9261eb7d38dc0e69c623e58d4cc2c486f5f27dc (patch)
treeb83be4d90a70dbed5459b7818ffba6dd771da51d
parent1791557ffbafd280c6e566f7f9a70353a470841a (diff)
mmc: cavium: Replace spin_lock_irqsave with spin_lock in hard IRQ
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Link: https://lore.kernel.org/r/1612422438-32525-1-git-send-email-tanxiaofei@huawei.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/cavium.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c
index c5da3aaee334..4bb8f2800a2b 100644
--- a/drivers/mmc/host/cavium.c
+++ b/drivers/mmc/host/cavium.c
@@ -436,12 +436,11 @@ irqreturn_t cvm_mmc_interrupt(int irq, void *dev_id)
{
struct cvm_mmc_host *host = dev_id;
struct mmc_request *req;
- unsigned long flags = 0;
u64 emm_int, rsp_sts;
bool host_done;
if (host->need_irq_handler_lock)
- spin_lock_irqsave(&host->irq_handler_lock, flags);
+ spin_lock(&host->irq_handler_lock);
else
__acquire(&host->irq_handler_lock);
@@ -504,7 +503,7 @@ no_req_done:
host->release_bus(host);
out:
if (host->need_irq_handler_lock)
- spin_unlock_irqrestore(&host->irq_handler_lock, flags);
+ spin_unlock(&host->irq_handler_lock);
else
__release(&host->irq_handler_lock);
return IRQ_RETVAL(emm_int != 0);