AcoSail/kernel_optimize_test
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mmc: meson-gx: remove useless lock

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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>
This commit is contained in:
Jerome Brunet 2018-12-06 16:18:26 +01:00 committed by Ulf Hansson
parent 18f92bc02f
commit 83076d2268
1 changed files with 0 additions and 7 deletions
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7
drivers/mmc/host/meson-gx-mmc.c
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@ -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 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
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);