[v2] drm/omap: dsi: Add missing IRQF_ONESHOT
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Message ID 1616492093-68237-1-git-send-email-yang.lee@linux.alibaba.com
State Accepted
Commit 0cafc8d88e6df446751669ec15adc9b807af4501
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Series
  • [v2] drm/omap: dsi: Add missing IRQF_ONESHOT
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Commit Message

Yang Li March 23, 2021, 9:34 a.m. UTC
fixed the following coccicheck:
./drivers/gpu/drm/omapdrm/dss/dsi.c:4329:7-27: ERROR: Threaded IRQ with
no primary handler requested without IRQF_ONESHOT

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---

Change in v2:
-Modify the fourth parameter, not the first

 drivers/gpu/drm/omapdrm/dss/dsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Sebastian Reichel March 23, 2021, 11:15 a.m. UTC | #1
Hi,

On Tue, Mar 23, 2021 at 05:34:53PM +0800, Yang Li wrote:
> fixed the following coccicheck:
> ./drivers/gpu/drm/omapdrm/dss/dsi.c:4329:7-27: ERROR: Threaded IRQ with
> no primary handler requested without IRQF_ONESHOT
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Also maybe add this, so that it is properly backported. OTOH old code did
not have IRQF_ONESHOT either.

Fixes: 4c1b935fea54 ("drm/omap: dsi: move TE GPIO handling into core")

-- Sebastian

> Change in v2:
> -Modify the fourth parameter, not the first
> 
>  drivers/gpu/drm/omapdrm/dss/dsi.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index b31d750..5f1722b 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -4327,7 +4327,8 @@ static int omap_dsi_register_te_irq(struct dsi_data *dsi,
>  	irq_set_status_flags(te_irq, IRQ_NOAUTOEN);
>  
>  	err = request_threaded_irq(te_irq, NULL, omap_dsi_te_irq_handler,
> -				   IRQF_TRIGGER_RISING, "TE", dsi);
> +				   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
> +				   "TE", dsi);
>  	if (err) {
>  		dev_err(dsi->dev, "request irq failed with %d\n", err);
>  		gpiod_put(dsi->te_gpio);
> -- 
> 1.8.3.1
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
Tomi Valkeinen March 26, 2021, 7:24 a.m. UTC | #2
On 23/03/2021 13:15, Sebastian Reichel wrote:
> Hi,
> 
> On Tue, Mar 23, 2021 at 05:34:53PM +0800, Yang Li wrote:
>> fixed the following coccicheck:
>> ./drivers/gpu/drm/omapdrm/dss/dsi.c:4329:7-27: ERROR: Threaded IRQ with
>> no primary handler requested without IRQF_ONESHOT
>>
>> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
>> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
>> ---
> 
> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> 
> Also maybe add this, so that it is properly backported. OTOH old code did
> not have IRQF_ONESHOT either.
> 
> Fixes: 4c1b935fea54 ("drm/omap: dsi: move TE GPIO handling into core")

Thanks, I have applied this.

  Tomi

Patch
diff mbox series

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index b31d750..5f1722b 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -4327,7 +4327,8 @@  static int omap_dsi_register_te_irq(struct dsi_data *dsi,
 	irq_set_status_flags(te_irq, IRQ_NOAUTOEN);
 
 	err = request_threaded_irq(te_irq, NULL, omap_dsi_te_irq_handler,
-				   IRQF_TRIGGER_RISING, "TE", dsi);
+				   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+				   "TE", dsi);
 	if (err) {
 		dev_err(dsi->dev, "request irq failed with %d\n", err);
 		gpiod_put(dsi->te_gpio);