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Groups > linux.kernel > #1723341
| From | Guenter Roeck <linux@roeck-us.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] hwmon: (asc7621): make several arrays static const |
| Date | 2017-08-30 15:40 +0200 |
| Message-ID | <ukbnP-rR-13@gated-at.bofh.it> (permalink) |
| References | <uk6Hx-5Y8-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 08/30/2017 01:32 AM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Don't populate the arrays on the stack, instead make them static.
> Makes the object code smaller by over 950 bytes:
>
> Before:
> text data bss dec hex filename
> 26144 18768 352 45264 b0d0 drivers/hwmon/asc7621.o
>
> After:
> text data bss dec hex filename
> 25029 18928 352 44309 ad15 drivers/hwmon/asc7621.o
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Applied to hwmon-next.
Thanks,
Guenter
> ---
> drivers/hwmon/asc7621.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
> index c77644d45a02..4875e99b59c9 100644
> --- a/drivers/hwmon/asc7621.c
> +++ b/drivers/hwmon/asc7621.c
> @@ -512,7 +512,7 @@ static ssize_t show_pwm_ac(struct device *dev,
> {
> SETUP_SHOW_DATA_PARAM(dev, attr);
> u8 config, altbit, regval;
> - const u8 map[] = {
> + static const u8 map[] = {
> 0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10,
> 0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f
> };
> @@ -533,7 +533,7 @@ static ssize_t store_pwm_ac(struct device *dev,
> SETUP_STORE_DATA_PARAM(dev, attr);
> unsigned long reqval;
> u8 currval, config, altbit, newval;
> - const u16 map[] = {
> + static const u16 map[] = {
> 0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06,
> 0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f,
> 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
>
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[PATCH] hwmon: (asc7621): make several arrays static const Colin King <colin.king@canonical.com> - 2017-08-30 10:40 +0200 Re: [PATCH] hwmon: (asc7621): make several arrays static const Guenter Roeck <linux@roeck-us.net> - 2017-08-30 15:40 +0200
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