diff options
| author | Tian Tao <tiantao6@hisilicon.com> | 2021-04-07 06:15:39 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2021-06-14 14:57:34 +0300 |
| commit | da3b1486d7e398617d09c022c71593462b98d67f (patch) | |
| tree | 78532d605cf0021e4cdd5c2cc9b954eaeb2a5c82 | |
| parent | 009c9aa5be652675a06d5211e1640e02bbb1c33d (diff) | |
| download | linux-da3b1486d7e398617d09c022c71593462b98d67f.tar.xz | |
mmc: s3cmci: move to use request_irq by IRQF_NO_AUTOEN flag
disable_irq() after request_irq() still has a time gap in which interrupts
can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ
auto-enable because of requesting.
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1617765339-28946-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/s3cmci.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 0ca6f6d30b75..8d5929a32d34 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -1578,17 +1578,12 @@ static int s3cmci_probe(struct platform_device *pdev) goto probe_iounmap; } - if (request_irq(host->irq, s3cmci_irq, 0, DRIVER_NAME, host)) { + if (request_irq(host->irq, s3cmci_irq, IRQF_NO_AUTOEN, DRIVER_NAME, host)) { dev_err(&pdev->dev, "failed to request mci interrupt.\n"); ret = -ENOENT; goto probe_iounmap; } - /* We get spurious interrupts even when we have set the IMSK - * register to ignore everything, so use disable_irq() to make - * ensure we don't lock the system with un-serviceable requests. */ - - disable_irq(host->irq); host->irq_state = false; /* Depending on the dma state, get a DMA channel to use. */ |