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@xxxxxxxxxxxxxx> [arend: fix some checkpatch warnings] Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 1aa2a79..12fc0b3 100644 --- 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(void *ctx, u32 addr) 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; } -- 1.9.1