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| author | Jerome Brunet <jbrunet@baylibre.com> | 2018-12-06 16:18:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-30 16:31:45 +0200 |
| commit | d7aacfd2e388519434acf504a6b53099cc4da978 (patch) | |
| tree | f6b5dd59c3cbefe78bf81a32b3ae48f70e41f020 | |
| parent | ebb623a34d09383afec0ce21dbe97f9b75728fb4 (diff) | |
| download | linux-stable-d7aacfd2e388519434acf504a6b53099cc4da978.tar.gz linux-stable-d7aacfd2e388519434acf504a6b53099cc4da978.tar.bz2 linux-stable-d7aacfd2e388519434acf504a6b53099cc4da978.zip | |
mmc: meson-gx: remove useless lock
[ Upstream commit 83076d2268c72d123f3d1eaf186a9f56ec1b943a ]
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>
Stable-dep-of: 3c40eb814532 ("mmc: meson-gx: remove redundant mmc_request_done() call from irq context")
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/mmc/host/meson-gx-mmc.c | 7 |
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 dba98c2886f2..313aff92b97c 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; @@ -1042,8 +1040,6 @@ 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; @@ -1093,7 +1089,6 @@ out: if (ret == IRQ_HANDLED) meson_mmc_request_done(host->mmc, cmd->mrq); - spin_unlock(&host->lock); return ret; } @@ -1246,8 +1241,6 @@ 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); |