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mwifiex: replace unnecessary u32 variables with u8 in sdio.c

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Some u32 variables in sdio.c are used to store/pass u8 values.
Replace them with u8 variables.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Amitkumar Karwar 2013-05-17 17:53:42 -07:00 committed by John W. Linville
parent 05889f8253
commit ab93d4ff36
1 changed files with 13 additions and 13 deletions
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26
drivers/net/wireless/mwifiex/sdio.c
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@ -294,13 +294,13 @@ static struct sdio_driver mwifiex_sdio = {
* This function writes data into SDIO card register. * This function writes data into SDIO card register.
*/ */
static int static int
mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u32 data) mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data)
{ {
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
int ret = -1; int ret = -1;
sdio_claim_host(card->func); sdio_claim_host(card->func);
sdio_writeb(card->func, (u8) data, reg, &ret); sdio_writeb(card->func, data, reg, &ret);
sdio_release_host(card->func); sdio_release_host(card->func);
return ret; return ret;
@ -310,7 +310,7 @@ mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u32 data)
* This function reads data from SDIO card register. * This function reads data from SDIO card register.
*/ */
static int static int
mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u32 *data) mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u8 *data)
{ {
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
int ret = -1; int ret = -1;
@ -421,7 +421,7 @@ static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter)
*/ */
static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter) static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter)
{ {
u32 reg; u8 reg;
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
adapter->ioport = 0; adapter->ioport = 0;
@ -580,7 +580,7 @@ mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits)
{ {
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
u32 tries; u32 tries;
u32 cs; u8 cs;
for (tries = 0; tries < MAX_POLL_TRIES; tries++) { for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
if (mwifiex_read_reg(adapter, card->reg->poll_reg, &cs)) if (mwifiex_read_reg(adapter, card->reg->poll_reg, &cs))
@ -604,7 +604,7 @@ mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat)
{ {
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
const struct mwifiex_sdio_card_reg *reg = card->reg; const struct mwifiex_sdio_card_reg *reg = card->reg;
u32 fws0, fws1; u8 fws0, fws1;
if (mwifiex_read_reg(adapter, reg->status_reg_0, &fws0)) if (mwifiex_read_reg(adapter, reg->status_reg_0, &fws0))
return -1; return -1;
@ -625,14 +625,14 @@ mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat)
*/ */
static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
{ {
u32 host_int_mask; u8 host_int_mask, host_int_disable = HOST_INT_DISABLE;
/* Read back the host_int_mask register */ /* Read back the host_int_mask register */
if (mwifiex_read_reg(adapter, HOST_INT_MASK_REG, &host_int_mask)) if (mwifiex_read_reg(adapter, HOST_INT_MASK_REG, &host_int_mask))
return -1; return -1;
/* Update with the mask and write back to the register */ /* Update with the mask and write back to the register */
host_int_mask &= ~HOST_INT_DISABLE; host_int_mask &= ~host_int_disable;
if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, host_int_mask)) { if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, host_int_mask)) {
dev_err(adapter->dev, "disable host interrupt failed\n"); dev_err(adapter->dev, "disable host interrupt failed\n");
@ -712,7 +712,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
u8 *firmware = fw->fw_buf; u8 *firmware = fw->fw_buf;
u32 firmware_len = fw->fw_len; u32 firmware_len = fw->fw_len;
u32 offset = 0; u32 offset = 0;
u32 base0, base1; u8 base0, base1;
u8 *fwbuf; u8 *fwbuf;
u16 len = 0; u16 len = 0;
u32 txlen, tx_blocks = 0, tries; u32 txlen, tx_blocks = 0, tries;
@ -854,7 +854,7 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
int ret = 0; int ret = 0;
u16 firmware_stat; u16 firmware_stat;
u32 tries; u32 tries;
u32 winner_status; u8 winner_status;
/* Wait for firmware initialization event */ /* Wait for firmware initialization event */
for (tries = 0; tries < poll_num; tries++) { for (tries = 0; tries < poll_num; tries++) {
@ -889,7 +889,7 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
{ {
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
u32 sdio_ireg; u8 sdio_ireg;
unsigned long flags; unsigned long flags;
if (mwifiex_read_data_sync(adapter, card->mp_regs, if (mwifiex_read_data_sync(adapter, card->mp_regs,
@ -1284,7 +1284,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (mwifiex_sdio_card_to_host_mp_aggr(adapter, skb, if (mwifiex_sdio_card_to_host_mp_aggr(adapter, skb,
port)) { port)) {
u32 cr = 0; u8 cr = 0;
dev_err(adapter->dev, "card_to_host_mpa failed:" dev_err(adapter->dev, "card_to_host_mpa failed:"
" int status=%#x\n", sdio_ireg); " int status=%#x\n", sdio_ireg);
@ -1644,7 +1644,7 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
struct sdio_mmc_card *card = adapter->card; struct sdio_mmc_card *card = adapter->card;
const struct mwifiex_sdio_card_reg *reg = card->reg; const struct mwifiex_sdio_card_reg *reg = card->reg;
int ret; int ret;
u32 sdio_ireg; u8 sdio_ireg;
/* /*
* Read the HOST_INT_STATUS_REG for ACK the first interrupt got * Read the HOST_INT_STATUS_REG for ACK the first interrupt got