Thread (6 messages) 6 messages, 2 authors, 2017-06-29

Re: [PATCH] thermal/intel_powerclamp: add const to thermal_cooling_device_ops structure

From: Bhumika Goyal <hidden>
Date: 2017-06-29 05:56:37
Also in: lkml

On Thu, Jun 29, 2017 at 11:02 AM, Zhang Rui [off-list ref] wrote:
On Thu, 2017-06-29 at 10:41 +0530, Bhumika Goyal wrote:
quoted
On Thu, Jun 29, 2017 at 8:30 AM, Zhang Rui [off-list ref]
wrote:
quoted
On Wed, 2017-06-21 at 12:39 +0530, Bhumika Goyal wrote:
quoted
Declare thermal_cooling_device_ops structure as const as it is
only
passed
as an argument to the function thermal_cooling_device_register
and
this
argument is of type const. So, declare the structure as const.
I checked the source and the code is written in this way as well in
some other drivers, why not fix them altogether?
Hey,

I have already sent the patches for the drivers requiring this
change.
Some of them got applied as well.
I mean the other drivers that use thermal_cooling_device_ops.
Actually, I also meant the same but maybe I wasn't clear enough :)
Surely I can applied this patch, but still it would be nice if you can
check the other places that defines thermal_cooling_device_ops and fix
all of them in one time. :)
I checked again and there remains only one file in power/supply where
thermal_cooling_device_ops can be made const. I will submit a patch
for it but I think I will have to create a separate patch because the
maintainers are different.
All other places are either already const or I have submitted patches
for them or cannot be made const.

Thanks,
Bhumika
thanks,
rui
quoted
Thanks,
Bhumika
quoted
thanks,
rui
quoted
Signed-off-by: Bhumika Goyal <redacted>
---
 drivers/thermal/intel_powerclamp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/intel_powerclamp.c
b/drivers/thermal/intel_powerclamp.c
index d718cd1..e4c68b7 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -659,7 +659,7 @@ static int powerclamp_set_cur_state(struct
thermal_cooling_device *cdev,
 }

 /* bind to generic thermal layer as cooling device*/
-static struct thermal_cooling_device_ops powerclamp_cooling_ops
= {
+static const struct thermal_cooling_device_ops
powerclamp_cooling_ops = {
      .get_max_state = powerclamp_get_max_state,
      .get_cur_state = powerclamp_get_cur_state,
      .set_cur_state = powerclamp_set_cur_state,
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