wl1271: Added DEBUG_SDIO flag

Added separate flag for SDIO debugging. Previously it has used
DEBUG_SPI flag. This patch also includes couple indentation fixes.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl12xx/wl1271.h

@@ -53,6 +53,7 @@ enum {
 	DEBUG_MAC80211	= BIT(11),
 	DEBUG_CMD	= BIT(12),
 	DEBUG_ACX	= BIT(13),
+	DEBUG_SDIO	= BIT(14),
 	DEBUG_ALL	= ~0,
 };
 

drivers/net/wireless/wl12xx/wl1271_sdio.c

@@ -102,14 +102,14 @@ static void wl1271_sdio_init(struct wl1271 *wl)
 }
 
 static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
-			 size_t len, bool fixed)
+				 size_t len, bool fixed)
 {
 	int ret;
 	struct sdio_func *func = wl_to_func(wl);
 
 	if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
 		((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret);
-		wl1271_debug(DEBUG_SPI, "sdio read 52 addr 0x%x, byte 0x%02x",
+		wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x",
 			     addr, ((u8 *)buf)[0]);
 	} else {
 		if (fixed)
@@ -117,9 +117,9 @@ static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
 		else
 			ret = sdio_memcpy_fromio(func, buf, addr, len);
 
-		wl1271_debug(DEBUG_SPI, "sdio read 53 addr 0x%x, %d bytes",
+		wl1271_debug(DEBUG_SDIO, "sdio read 53 addr 0x%x, %d bytes",
 			     addr, len);
-		wl1271_dump_ascii(DEBUG_SPI, "data: ", buf, len);
+		wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
 	}
 
 	if (ret)
@@ -128,19 +128,19 @@ static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
 }
 
 static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
-			  size_t len, bool fixed)
+				  size_t len, bool fixed)
 {
 	int ret;
 	struct sdio_func *func = wl_to_func(wl);
 
 	if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
 		sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret);
-		wl1271_debug(DEBUG_SPI, "sdio write 52 addr 0x%x, byte 0x%02x",
+		wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x",
 			     addr, ((u8 *)buf)[0]);
 	} else {
-		wl1271_debug(DEBUG_SPI, "sdio write 53 addr 0x%x, %d bytes",
+		wl1271_debug(DEBUG_SDIO, "sdio write 53 addr 0x%x, %d bytes",
 			     addr, len);
-		wl1271_dump_ascii(DEBUG_SPI, "data: ", buf, len);
+		wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
 
 		if (fixed)
 			ret = sdio_writesb(func, addr, buf, len);
@@ -156,6 +156,10 @@ static void wl1271_sdio_set_power(struct wl1271 *wl, bool enable)
 {
 	struct sdio_func *func = wl_to_func(wl);
 
+	/* Let the SDIO stack handle wlan_enable control, so we
+	 * keep host claimed while wlan is in use to keep wl1271
+	 * alive.
+	 */
 	if (enable) {
 		sdio_claim_host(func);
 		sdio_enable_func(func);