Re: [PATCH v2] drm: gm12u320: Fix the timeout usage for usb_bulk_msg()

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Hi

Am 04.09.23 um 09:26 schrieb Hans de Goede:
Hi,

On 9/4/23 04:14, Jinjie Ruan wrote:
The timeout arg of usb_bulk_msg() is ms already, which has been converted
to jiffies by msecs_to_jiffies() in usb_start_wait_urb(). So fix the usage
by removing the redundant msecs_to_jiffies() in the macros.

And as Hans suggested, also remove msecs_to_jiffies() for the IDLE_TIMEOUT
macro to make it consistent here and so change IDLE_TIMEOUT to
msecs_to_jiffies(IDLE_TIMEOUT) where it is used.

Fixes: e4f86e437164 ("drm: Add Grain Media GM12U320 driver v2")
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Suggested-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
v2:
- Remove the msecs_to_jiffies() also for IDLE_TIMEOUT.
- Update the fix tag.
- Update the commit message.

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Note I don't gave time to merge this myself atm.

If one of the drm-misc maintainers can pick this up that would
be great.

I'll take care of it.

Best regards
Thomas


Regards,

Hans



---
  drivers/gpu/drm/tiny/gm12u320.c | 10 +++++-----
  1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
index c5bb683e440c..0187539ff5ea 100644
--- a/drivers/gpu/drm/tiny/gm12u320.c
+++ b/drivers/gpu/drm/tiny/gm12u320.c
@@ -70,10 +70,10 @@ MODULE_PARM_DESC(eco_mode, "Turn on Eco mode (less bright, more silent)");
  #define READ_STATUS_SIZE		13
  #define MISC_VALUE_SIZE			4
-#define CMD_TIMEOUT msecs_to_jiffies(200)
-#define DATA_TIMEOUT			msecs_to_jiffies(1000)
-#define IDLE_TIMEOUT			msecs_to_jiffies(2000)
-#define FIRST_FRAME_TIMEOUT		msecs_to_jiffies(2000)
+#define CMD_TIMEOUT			200
+#define DATA_TIMEOUT			1000
+#define IDLE_TIMEOUT			2000
+#define FIRST_FRAME_TIMEOUT		2000
#define MISC_REQ_GET_SET_ECO_A 0xff
  #define MISC_REQ_GET_SET_ECO_B		0x35
@@ -389,7 +389,7 @@ static void gm12u320_fb_update_work(struct work_struct *work)
  	 * switches back to showing its logo.
  	 */
  	queue_delayed_work(system_long_wq, &gm12u320->fb_update.work,
-			   IDLE_TIMEOUT);
+			   msecs_to_jiffies(IDLE_TIMEOUT));
return;
  err:


--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)

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