From 8b36ac445ad5af861d05846029230b8c6b434efb Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Sun, 2 Oct 2011 10:14:38 -0700 Subject: [PATCH] staging: brcm80211: reducing indentation levels in bcmsdh_sdmmc.c Some functions in the source file had a lot of indentation levels forcing statements to be spread over multiple lines impairing the readability of the code. Reported-by: Joe Perches Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Roland Vossen Signed-off-by: Franky Lin Signed-off-by: Greg Kroah-Hartman --- .../staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c | 140 ++++++++---------- 1 file changed, 63 insertions(+), 77 deletions(-) diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 1cbdb80c023..fc95bb24846 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -70,6 +70,54 @@ brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq) #endif } +static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev, + uint regaddr, u8 *byte) +{ + struct sdio_func *sdfunc = sdiodev->func[0]; + int err_ret; + + /* + * Can only directly write to some F0 registers. + * Handle F2 enable/disable and Abort command + * as a special case. + */ + if (regaddr == SDIO_CCCR_IOEx) { + sdfunc = sdiodev->func[2]; + if (sdfunc) { + sdio_claim_host(sdfunc); + if (*byte & SDIO_FUNC_ENABLE_2) { + /* Enable Function 2 */ + err_ret = sdio_enable_func(sdfunc); + if (err_ret) + brcmf_dbg(ERROR, + "enable F2 failed:%d\n", + err_ret); + } else { + /* Disable Function 2 */ + err_ret = sdio_disable_func(sdfunc); + if (err_ret) + brcmf_dbg(ERROR, + "Disable F2 failed:%d\n", + err_ret); + } + sdio_release_host(sdfunc); + } + } else if (regaddr == SDIO_CCCR_ABORT) { + sdio_claim_host(sdfunc); + sdio_writeb(sdfunc, *byte, regaddr, &err_ret); + sdio_release_host(sdfunc); + } else if (regaddr < 0xF0) { + brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", regaddr); + err_ret = -EPERM; + } else { + sdio_claim_host(sdfunc); + sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret); + sdio_release_host(sdfunc); + } + + return err_ret; +} + int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func, uint regaddr, u8 *byte) { @@ -80,82 +128,22 @@ int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func, brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait); if (brcmf_pm_resume_error(sdiodev)) return -EIO; - if (rw) { /* CMD52 Write */ - if (func == 0) { - /* Can only directly write to some F0 registers. - * Handle F2 enable - * as a special case. - */ - if (regaddr == SDIO_CCCR_IOEx) { - if (sdiodev->func[2]) { - sdio_claim_host(sdiodev->func[2]); - if (*byte & SDIO_FUNC_ENABLE_2) { - /* Enable Function 2 */ - err_ret = - sdio_enable_func - (sdiodev->func[2]); - if (err_ret) - brcmf_dbg(ERROR, - "enable F2 failed:%d\n", - err_ret); - } else { - /* Disable Function 2 */ - err_ret = - sdio_disable_func - (sdiodev->func[2]); - if (err_ret) - brcmf_dbg(ERROR, - "Disable F2 failed:%d\n", - err_ret); - } - sdio_release_host(sdiodev->func[2]); - } - } - /* to allow abort command through F1 */ - else if (regaddr == SDIO_CCCR_ABORT) { - sdio_claim_host(sdiodev->func[func]); - /* - * this sdio_f0_writeb() can be replaced - * with another api - * depending upon MMC driver change. - * As of this time, this is temporaray one - */ - sdio_writeb(sdiodev->func[func], *byte, - regaddr, &err_ret); - sdio_release_host(sdiodev->func[func]); - } else if (regaddr < 0xF0) { - brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", - regaddr); - } else { - /* Claim host controller, perform F0 write, - and release */ - sdio_claim_host(sdiodev->func[func]); - sdio_f0_writeb(sdiodev->func[func], *byte, - regaddr, &err_ret); - sdio_release_host(sdiodev->func[func]); - } - } else { - /* Claim host controller, perform Fn write, - and release */ - sdio_claim_host(sdiodev->func[func]); + + if (rw && func == 0) { + /* handle F0 separately */ + err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte); + } else { + sdio_claim_host(sdiodev->func[func]); + if (rw) /* CMD52 Write */ sdio_writeb(sdiodev->func[func], *byte, regaddr, &err_ret); - sdio_release_host(sdiodev->func[func]); - } - } else { /* CMD52 Read */ - /* Claim host controller, perform Fn read, and release */ - sdio_claim_host(sdiodev->func[func]); - - if (func == 0) { - *byte = - sdio_f0_readb(sdiodev->func[func], regaddr, - &err_ret); + else if (func == 0) { + *byte = sdio_f0_readb(sdiodev->func[func], regaddr, + &err_ret); } else { - *byte = - sdio_readb(sdiodev->func[func], regaddr, - &err_ret); + *byte = sdio_readb(sdiodev->func[func], regaddr, + &err_ret); } - sdio_release_host(sdiodev->func[func]); } @@ -197,12 +185,10 @@ int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes); } else { /* CMD52 Read */ if (nbytes == 4) - *word = - sdio_readl(sdiodev->func[func], addr, &err_ret); + *word = sdio_readl(sdiodev->func[func], addr, &err_ret); else if (nbytes == 2) - *word = - sdio_readw(sdiodev->func[func], addr, - &err_ret) & 0xFFFF; + *word = sdio_readw(sdiodev->func[func], addr, + &err_ret) & 0xFFFF; else brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes); } -- 2.39.2