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| author |   Takashi Iwai <tiwai@suse.de> | 2020-09-09 18:26:07 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-09-09 18:26:48 +0200 |
| commit | 9ddb236f13594b34a12dacf69a5adca7a1aef35e (patch) | |
| tree | 1dc1f6e54962a2e3ad3d56c894522cb4b1ddce93 /drivers/uio/uio_dmem_genirq.c | |
| parent | ALSA: vx: vx_pcm: remove redundant assignment (diff) | |
| parent | ALSA: hda/realtek - The Mic on a RedmiBook doesn't work (diff) | |
| download | linux-dev-9ddb236f13594b34a12dacf69a5adca7a1aef35e.tar.xz linux-dev-9ddb236f13594b34a12dacf69a5adca7a1aef35e.zip | |
Merge branch 'for-linus' into for-next
Back-merge to apply the tasklet conversion patches that are based
on the already applied tasklet API changes on 5.9-rc4.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/uio/uio_dmem_genirq.c')
| -rw-r--r-- | drivers/uio/uio_dmem_genirq.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c index 6e27fe4fcca3..ec7f66f4555a 100644 --- a/drivers/uio/uio_dmem_genirq.c +++ b/drivers/uio/uio_dmem_genirq.c @@ -20,6 +20,7 @@ #include <linux/pm_runtime.h> #include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/irq.h> #include <linux/of.h> #include <linux/of_platform.h> @@ -199,6 +200,24 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev) goto bad1; uioinfo->irq = ret; } + + if (uioinfo->irq) { + struct irq_data *irq_data = irq_get_irq_data(uioinfo->irq); + + /* + * If a level interrupt, dont do lazy disable. Otherwise the + * irq will fire again since clearing of the actual cause, on + * device level, is done in userspace + * irqd_is_level_type() isn't used since isn't valid until + * irq is configured. + */ + if (irq_data && + irqd_get_trigger_type(irq_data) & IRQ_TYPE_LEVEL_MASK) { + dev_dbg(&pdev->dev, "disable lazy unmask\n"); + irq_set_status_flags(uioinfo->irq, IRQ_DISABLE_UNLAZY); + } + } + uiomem = &uioinfo->mem[0]; for (i = 0; i < pdev->num_resources; ++i) { |