staging: wilc1000: remove io_type of wilc_wlan_dev_t

io_type of wilc_wlan_dev_t is unneeded, we can use io_type of struct wilc.
Remove io_type of wilc_wlan_dev_t and use io_type of wilc.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index b9bedc8..37879cd 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -5,7 +5,6 @@
 
 typedef struct {
        int quit;
-       int io_type;
        int cfg_frame_in_use;
        struct wilc_cfg_frame cfg_frame;
        u32 cfg_frame_offset;
@@ -573,7 +572,7 @@ static inline void chip_wakeup(struct wilc *wilc)
        u32 reg, clk_status_reg, trials = 0;
        u32 sleep_time;
 
-       if ((g_wlan.io_type & 0x1) == HIF_SPI) {
+       if ((wilc->io_type & 0x1) == HIF_SPI) {
                do {
                        wilc->hif_func->hif_read_reg(wilc, 1, &reg);
                        wilc->hif_func->hif_write_reg(wilc, 1, reg | BIT(1));
@@ -587,7 +586,7 @@ static inline void chip_wakeup(struct wilc *wilc)
                        } while ((wilc_get_chipid(wilc, true) == 0) && ((++trials % 3) == 0));
 
                } while (wilc_get_chipid(wilc, true) == 0);
-       } else if ((g_wlan.io_type & 0x1) == HIF_SDIO)   {
+       } else if ((wilc->io_type & 0x1) == HIF_SDIO)    {
                wilc->hif_func->hif_read_reg(wilc, 0xf0, &reg);
                do {
                        wilc->hif_func->hif_write_reg(wilc, 0xf0,
@@ -636,12 +635,12 @@ static inline void chip_wakeup(struct wilc *wilc)
        u32 reg, trials = 0;
 
        do {
-               if ((g_wlan.io_type & 0x1) == HIF_SPI) {
+               if ((wilc->io_type & 0x1) == HIF_SPI) {
                        wilc->hif_func->hif_read_reg(wilc, 1, &reg);
                        wilc->hif_func->hif_write_reg(wilc, 1, reg & ~BIT(1));
                        wilc->hif_func->hif_write_reg(wilc, 1, reg | BIT(1));
                        wilc->hif_func->hif_write_reg(wilc, 1, reg  & ~BIT(1));
-               } else if ((g_wlan.io_type & 0x1) == HIF_SDIO)   {
+               } else if ((wilc->io_type & 0x1) == HIF_SDIO)    {
                        wilc->hif_func->hif_read_reg(wilc, 0xf0, &reg);
                        wilc->hif_func->hif_write_reg(wilc, 0xf0,
                                                      reg & ~BIT(0));
@@ -1061,7 +1060,7 @@ static void wilc_pllupdate_isr_ext(struct wilc *wilc, u32 int_stats)
 
        wilc->hif_func->hif_clear_int_ext(wilc, PLL_INT_CLR);
 
-       if (g_wlan.io_type == HIF_SDIO)
+       if (wilc->io_type == HIF_SDIO)
                mdelay(WILC_PLL_TO_SDIO);
        else
                mdelay(WILC_PLL_TO_SPI);
@@ -1225,15 +1224,14 @@ _fail_1:
 
 int wilc_wlan_start(struct wilc *wilc)
 {
-       wilc_wlan_dev_t *p = &g_wlan;
        u32 reg = 0;
        int ret;
        u32 chipid;
 
-       if (p->io_type == HIF_SDIO) {
+       if (wilc->io_type == HIF_SDIO) {
                reg = 0;
                reg |= BIT(3);
-       } else if (p->io_type == HIF_SPI) {
+       } else if (wilc->io_type == HIF_SPI) {
                reg = 1;
        }
        acquire_bus(wilc, ACQUIRE_ONLY);
@@ -1245,7 +1243,7 @@ int wilc_wlan_start(struct wilc *wilc)
                return ret;
        }
        reg = 0;
-       if (p->io_type == HIF_SDIO && wilc->dev_irq_num)
+       if (wilc->io_type == HIF_SDIO && wilc->dev_irq_num)
                reg |= WILC_HAVE_SDIO_IRQ_GPIO;
 
 #ifdef WILC_DISABLE_PMU
@@ -1627,7 +1625,6 @@ int wilc_wlan_init(struct net_device *dev)
        PRINT_D(INIT_DBG, "Initializing WILC_Wlan ...\n");
 
        memset((void *)&g_wlan, 0, sizeof(wilc_wlan_dev_t));
-       g_wlan.io_type = wilc->io_type;
        if (!wilc->hif_func->hif_init(wilc, wilc_debug)) {
                ret = -EIO;
                goto _fail_;