diff options
Diffstat (limited to 'package/kernel/mac80211/patches/314-v4.16-0006-brcmfmac-More-efficient-and-slightly-easier-to-read-.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/314-v4.16-0006-brcmfmac-More-efficient-and-slightly-easier-to-read-.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/314-v4.16-0006-brcmfmac-More-efficient-and-slightly-easier-to-read-.patch b/package/kernel/mac80211/patches/314-v4.16-0006-brcmfmac-More-efficient-and-slightly-easier-to-read-.patch new file mode 100644 index 0000000..71e4894 --- /dev/null +++ b/package/kernel/mac80211/patches/314-v4.16-0006-brcmfmac-More-efficient-and-slightly-easier-to-read-.patch @@ -0,0 +1,40 @@ +From bcadaaa097c7ec103fe75f9da41f8fe52693b644 Mon Sep 17 00:00:00 2001 +From: Arend Van Spriel <arend.vanspriel@broadcom.com> +Date: Tue, 19 Dec 2017 13:47:12 +0100 +Subject: [PATCH] brcmfmac: More efficient and slightly easier to read fixup + for 4339 chips + +Its more efficient to test the register we're interested in first, +potentially avoiding two more comparisons, and therefore always avoiding +one comparison per call on all other chips. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +[arend: fix some checkpatch warnings] +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +@@ -3772,15 +3772,16 @@ static u32 brcmf_sdio_buscore_read32(voi + + val = brcmf_sdiod_readl(sdiodev, addr, NULL); + +- if ((sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 || +- sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4339) && +- addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) { ++ if (addr == CORE_CC_REG(SI_ENUM_BASE, chipid) && ++ (sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4339 || ++ sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339)) { + rev = (val & CID_REV_MASK) >> CID_REV_SHIFT; + if (rev >= 2) { + val &= ~CID_ID_MASK; + val |= BRCM_CC_4339_CHIP_ID; + } + } ++ + return val; + } + |