Messages in this thread Patch in this message | | | From | Brad Harper <> | Subject | [PATCH v2 1/1] mmc: host: meson-gx-mmc: fix possible deadlock condition for preempt_rt | Date | Sat, 26 Sep 2020 22:54:18 -0400 |
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--- drivers/mmc/host/meson-gx-mmc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 08a3b1c05..3ba8f988d 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -146,6 +146,7 @@ struct sd_emmc_desc { }; struct meson_host { + spinlock_t lock; struct device *dev; struct meson_mmc_data *data; struct mmc_host *mmc; @@ -1051,6 +1052,7 @@ static int meson_mmc_probe(struct platform_device *pdev) host->mmc = mmc; host->dev = &pdev->dev; dev_set_drvdata(&pdev->dev, host); + spin_lock_init(&host->lock); /* The G12A SDIO Controller needs an SRAM bounce buffer */ host->dram_access_quirk = device_property_read_bool(&pdev->dev, @@ -1139,7 +1141,7 @@ static int meson_mmc_probe(struct platform_device *pdev) host->regs + SD_EMMC_IRQ_EN); ret = request_threaded_irq(host->irq, meson_mmc_irq, - meson_mmc_irq_thread, IRQF_ONESHOT, + meson_mmc_irq_thread, 0, dev_name(&pdev->dev), host); if (ret) goto err_init_clk; -- 2.20.1
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