* [PATCH] iio: accel: mma8452: Constify static struct attribute_group
@ 2020-09-30 23:29 Rikard Falkeborn
2020-10-10 17:05 ` Jonathan Cameron
0 siblings, 1 reply; 2+ messages in thread
From: Rikard Falkeborn @ 2020-09-30 23:29 UTC (permalink / raw)
To: Jonathan Cameron
Cc: Lars-Peter Clausen, Peter Meerwald-Stadler, Alexandru Ardelean,
linux-iio, linux-kernel, Rikard Falkeborn
The only usage of mma8452_event_attribute_group is to assign its address
to the event_attrs field in the iio_info struct, which is a const
pointer. Make it const to allow the compiler to put it in read-only
memory. This was the only non-const static struct in drivers/iio.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
drivers/iio/accel/mma8452.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index bf1d2c8afdbd..b0176d936423 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -1187,7 +1187,7 @@ static struct attribute *mma8452_event_attributes[] = {
NULL,
};
-static struct attribute_group mma8452_event_attribute_group = {
+static const struct attribute_group mma8452_event_attribute_group = {
.attrs = mma8452_event_attributes,
};
--
2.28.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] iio: accel: mma8452: Constify static struct attribute_group
2020-09-30 23:29 [PATCH] iio: accel: mma8452: Constify static struct attribute_group Rikard Falkeborn
@ 2020-10-10 17:05 ` Jonathan Cameron
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Cameron @ 2020-10-10 17:05 UTC (permalink / raw)
To: Rikard Falkeborn
Cc: Lars-Peter Clausen, Peter Meerwald-Stadler, Alexandru Ardelean,
linux-iio, linux-kernel
On Thu, 1 Oct 2020 01:29:39 +0200
Rikard Falkeborn <rikard.falkeborn@gmail.com> wrote:
> The only usage of mma8452_event_attribute_group is to assign its address
> to the event_attrs field in the iio_info struct, which is a const
> pointer. Make it const to allow the compiler to put it in read-only
> memory. This was the only non-const static struct in drivers/iio.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
applied.
Thanks,
Jonathan
> ---
> drivers/iio/accel/mma8452.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
> index bf1d2c8afdbd..b0176d936423 100644
> --- a/drivers/iio/accel/mma8452.c
> +++ b/drivers/iio/accel/mma8452.c
> @@ -1187,7 +1187,7 @@ static struct attribute *mma8452_event_attributes[] = {
> NULL,
> };
>
> -static struct attribute_group mma8452_event_attribute_group = {
> +static const struct attribute_group mma8452_event_attribute_group = {
> .attrs = mma8452_event_attributes,
> };
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-09-30 23:29 [PATCH] iio: accel: mma8452: Constify static struct attribute_group Rikard Falkeborn
2020-10-10 17:05 ` Jonathan Cameron
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