diff options
| author | Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> | 2011-07-16 20:29:16 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2011-08-09 19:45:20 +0300 |
| commit | da220695f03a81fc8f6fcf1921e2b6f1c2be6db6 (patch) | |
| tree | f051ac386a473c24a5aad695afaef0171021a2f7 /drivers/net/wireless/ath/ath6kl/sdio.c | |
| parent | 4a005c3ed0e6424e991daeea385bd08a9b97b67a (diff) | |
ath6kl: Refactor ath6kl_sdio_read_write_sync()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/sdio.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/sdio.c | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index 686f091fd93..6c66613d6b4 100644 --- a/drivers/net/wireless/ath/ath6kl/sdio.c +++ b/drivers/net/wireless/ath/ath6kl/sdio.c @@ -128,6 +128,33 @@ static int ath6kl_sdio_func0_cmd52_wr_byte(struct mmc_card *card, return mmc_wait_for_cmd(card->host, &io_cmd, 0); } +static int ath6kl_sdio_io(struct sdio_func *func, u32 request, u32 addr, + u8 *buf, u32 len) +{ + int ret = 0; + + if (request & HIF_WRITE) { + if (addr >= HIF_MBOX_BASE_ADDR && + addr <= HIF_MBOX_END_ADDR) + addr += (HIF_MBOX_WIDTH - len); + + if (addr == HIF_MBOX0_EXT_BASE_ADDR) + addr += HIF_MBOX0_EXT_WIDTH - len; + + if (request & HIF_FIXED_ADDRESS) + ret = sdio_writesb(func, addr, buf, len); + else + ret = sdio_memcpy_toio(func, addr, buf, len); + } else { + if (request & HIF_FIXED_ADDRESS) + ret = sdio_readsb(func, buf, addr, len); + else + ret = sdio_memcpy_fromio(func, buf, addr, len); + } + + return ret; +} + static struct bus_request *ath6kl_sdio_alloc_busreq(struct ath6kl_sdio *ar_sdio) { struct bus_request *bus_req; @@ -355,27 +382,9 @@ static int ath6kl_sdio_read_write_sync(struct ath6kl *ar, u32 addr, u8 *buf, tbuf = buf; sdio_claim_host(ar_sdio->func); - if (request & HIF_WRITE) { - if (addr >= HIF_MBOX_BASE_ADDR && - addr <= HIF_MBOX_END_ADDR) - addr += (HIF_MBOX_WIDTH - len); - - if (addr == HIF_MBOX0_EXT_BASE_ADDR) - addr += HIF_MBOX0_EXT_WIDTH - len; - - if (request & HIF_FIXED_ADDRESS) - ret = sdio_writesb(ar_sdio->func, addr, tbuf, len); - else - ret = sdio_memcpy_toio(ar_sdio->func, addr, tbuf, len); - } else { - if (request & HIF_FIXED_ADDRESS) - ret = sdio_readsb(ar_sdio->func, tbuf, addr, len); - else - ret = sdio_memcpy_fromio(ar_sdio->func, tbuf, - addr, len); - if (bounced) - memcpy(buf, tbuf, len); - } + ret = ath6kl_sdio_io(ar_sdio->func, request, addr, tbuf, len); + if ((request & HIF_READ) && bounced) + memcpy(buf, tbuf, len); sdio_release_host(ar_sdio->func); return ret; |