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authorJerome Brunet <jbrunet@baylibre.com>2018-12-06 16:18:26 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2018-12-17 08:26:24 +0100
commit83076d2268c72d123f3d1eaf186a9f56ec1b943a (patch)
treea4741e01414176791d7387d70c9276d08a7271ab
parent18f92bc02f1739b5c4d5b70009fbb7eada45bca3 (diff)
mmc: meson-gx: remove useless lock
The spinlock is only used within the irq handler so it does not seem very useful. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/meson-gx-mmc.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index fcb5d693c897..5cc31e434ca1 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -26,7 +26,6 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/ioport.h>
-#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
@@ -159,7 +158,6 @@ struct meson_host {
struct mmc_host *mmc;
struct mmc_command *cmd;
- spinlock_t lock;
void __iomem *regs;
struct clk *core_clk;
struct clk *mmc_clk;
@@ -1040,8 +1038,6 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
if (WARN_ON(!host) || WARN_ON(!host->cmd))
return IRQ_NONE;
- spin_lock(&host->lock);
-
cmd = host->cmd;
data = cmd->data;
cmd->error = 0;
@@ -1091,7 +1087,6 @@ out:
if (ret == IRQ_HANDLED)
meson_mmc_request_done(host->mmc, cmd->mrq);
- spin_unlock(&host->lock);
return ret;
}
@@ -1244,8 +1239,6 @@ static int meson_mmc_probe(struct platform_device *pdev)
host->dev = &pdev->dev;
dev_set_drvdata(&pdev->dev, host);
- spin_lock_init(&host->lock);
-
/* Get regulators and the supported OCR mask */
host->vqmmc_enabled = false;
ret = mmc_regulator_get_supply(mmc);