Re: [PATCH 60/62] rt2x00: Use static const

From: Gertjan van Wingerde
Date: Sun Nov 21 2010 - 04:13:22 EST


On 11/21/10 03:39, Joe Perches wrote:
> Using static const generally increases object text and decreases data size.
> It also generally decreases overall object size.
>
> text data bss dec hex filename
> 40197 56 8336 48589 bdcd drivers/net/wireless/rt2x00/rt2800lib.o.new
> 40205 56 8336 48597 bdd5 drivers/net/wireless/rt2x00/rt2800lib.o.old
>
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>

For rt2x00 this is just a tiny optimization, but for what it's worth:

Acked-by: Gertjan van Wingerde <gwingerde@xxxxxxxxx>

> ---
> drivers/net/wireless/rt2x00/rt2800lib.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
> index ce8df66..7563161 100644
> --- a/drivers/net/wireless/rt2x00/rt2800lib.c
> +++ b/drivers/net/wireless/rt2x00/rt2800lib.c
> @@ -2166,7 +2166,7 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
> SHARED_KEY_MODE_ENTRY(i), 0);
>
> for (i = 0; i < 256; i++) {
> - u32 wcid[2] = { 0xffffffff, 0x00ffffff };
> + static const u32 wcid[2] = { 0xffffffff, 0x00ffffff };
> rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
> wcid, sizeof(wcid));
>

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