From: Arend van Spriel <arend.vanspriel@broadcom.com>
To: Colin King <colin.king@canonical.com>,
Franky Lin <franky.lin@broadcom.com>,
Hante Meuleman <hante.meuleman@broadcom.com>,
Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
Wright Feng <wright.feng@cypress.com>,
Kalle Valo <kvalo@codeaurora.org>,
linux-wireless@vger.kernel.org,
brcm80211-dev-list.pdl@broadcom.com,
brcm80211-dev-list@cypress.com, netdev@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] brcm80211: make const array ucode_ofdm_rates static, reduces object code size
Date: Fri, 22 Sep 2017 18:51:43 +0200 [thread overview]
Message-ID: <96caf646-a43c-9b78-a4a9-2becf7e74125@broadcom.com> (raw)
In-Reply-To: <20170922140316.12768-1-colin.king@canonical.com>
Please use 'brcmsmac:' as prefix instead of 'brcm80211:'.
On 22-09-17 16:03, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Don't populate const array ucode_ofdm_rates on the stack, instead make it
> static. Makes the object code smaller by 100 bytes:
>
> Before:
> text data bss dec hex filename
> 39482 564 0 40046 9c6e phy_cmn.o
>
> After
> text data bss dec hex filename
> 39326 620 0 39946 9c0a phy_cmn.o
>
> (gcc 6.3.0, x86-64)
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
> index 1c4e9dd57960..3a13d176b221 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
> @@ -1916,7 +1916,7 @@ void wlc_phy_txpower_update_shm(struct brcms_phy *pi)
> pi->hwpwr_txcur);
>
> for (j = TXP_FIRST_OFDM; j <= TXP_LAST_OFDM; j++) {
> - const u8 ucode_ofdm_rates[] = {
> + static const u8 ucode_ofdm_rates[] = {
> 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c
> };
> offset = wlapi_bmac_rate_shm_offset(
>
next prev parent reply other threads:[~2017-09-22 16:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-22 14:03 Colin King
2017-09-22 16:51 ` Arend van Spriel [this message]
2017-09-25 4:20 ` Kalle Valo
2017-09-25 8:23 ` brcmsmac: " Kalle Valo
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