staging: wilc1000: wilc_sdio_cmd52: return linux error value

This patch changes return value with linux error value, not 1 or 0.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/linux_wlan_sdio.c

@@ -51,11 +51,9 @@ int wilc_sdio_cmd52(struct wilc *wilc, sdio_cmd52_t *cmd)
 
 	sdio_release_host(func);
 
-	if (ret < 0) {
+	if (ret)
 		dev_err(&func->dev, "wilc_sdio_cmd52..failed, err(%d)\n", ret);
-		return 0;
-	}
-	return 1;
+	return ret;
 }
 
 

drivers/staging/wilc1000/wilc_sdio.c

@@ -38,6 +38,7 @@ static int sdio_set_func0_csa_address(struct wilc *wilc, u32 adr)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	sdio_cmd52_t cmd;
+	int ret;
 
 	/**
 	 *      Review: BIG ENDIAN
@@ -47,21 +48,24 @@ static int sdio_set_func0_csa_address(struct wilc *wilc, u32 adr)
 	cmd.raw = 0;
 	cmd.address = 0x10c;
 	cmd.data = (u8)adr;
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x10c data...\n");
 		goto _fail_;
 	}
 
 	cmd.address = 0x10d;
 	cmd.data = (u8)(adr >> 8);
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x10d data...\n");
 		goto _fail_;
 	}
 
 	cmd.address = 0x10e;
 	cmd.data = (u8)(adr >> 16);
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x10e data...\n");
 		goto _fail_;
 	}
@@ -75,20 +79,23 @@ static int sdio_set_func0_block_size(struct wilc *wilc, u32 block_size)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	sdio_cmd52_t cmd;
+	int ret;
 
 	cmd.read_write = 1;
 	cmd.function = 0;
 	cmd.raw = 0;
 	cmd.address = 0x10;
 	cmd.data = (u8)block_size;
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x10 data...\n");
 		goto _fail_;
 	}
 
 	cmd.address = 0x11;
 	cmd.data = (u8)(block_size >> 8);
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x11 data...\n");
 		goto _fail_;
 	}
@@ -108,19 +115,22 @@ static int sdio_set_func1_block_size(struct wilc *wilc, u32 block_size)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	sdio_cmd52_t cmd;
+	int ret;
 
 	cmd.read_write = 1;
 	cmd.function = 0;
 	cmd.raw = 0;
 	cmd.address = 0x110;
 	cmd.data = (u8)block_size;
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x110 data...\n");
 		goto _fail_;
 	}
 	cmd.address = 0x111;
 	cmd.data = (u8)(block_size >> 8);
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Failed cmd52, set 0x111 data...\n");
 		goto _fail_;
 	}
@@ -150,7 +160,8 @@ static int sdio_write_reg(struct wilc *wilc, u32 addr, u32 data)
 		cmd.raw = 0;
 		cmd.address = addr;
 		cmd.data = data;
-		if (!wilc_sdio_cmd52(wilc, &cmd)) {
+		ret = wilc_sdio_cmd52(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd 52, read reg (%08x) ...\n", addr);
 			goto _fail_;
@@ -288,7 +299,8 @@ static int sdio_read_reg(struct wilc *wilc, u32 addr, u32 *data)
 		cmd.function = 0;
 		cmd.raw = 0;
 		cmd.address = addr;
-		if (!wilc_sdio_cmd52(wilc, &cmd)) {
+		ret = wilc_sdio_cmd52(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd 52, read reg (%08x) ...\n", addr);
 			goto _fail_;
@@ -430,7 +442,7 @@ static int sdio_init(struct wilc *wilc)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	sdio_cmd52_t cmd;
-	int loop;
+	int loop, ret;
 	u32 chipid;
 
 	memset(&g_sdio, 0, sizeof(wilc_sdio_t));
@@ -452,7 +464,8 @@ static int sdio_init(struct wilc *wilc)
 	cmd.raw = 1;
 	cmd.address = 0x100;
 	cmd.data = 0x80;
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Fail cmd 52, enable csa...\n");
 		goto _fail_;
 	}
@@ -474,7 +487,8 @@ static int sdio_init(struct wilc *wilc)
 	cmd.raw = 1;
 	cmd.address = 0x2;
 	cmd.data = 0x2;
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev,
 			"Fail cmd 52, set IOE register...\n");
 		goto _fail_;
@@ -490,7 +504,8 @@ static int sdio_init(struct wilc *wilc)
 	loop = 3;
 	do {
 		cmd.data = 0;
-		if (!wilc_sdio_cmd52(wilc, &cmd)) {
+		ret = wilc_sdio_cmd52(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Fail cmd 52, get IOR register...\n");
 			goto _fail_;
@@ -520,7 +535,8 @@ static int sdio_init(struct wilc *wilc)
 	cmd.raw = 1;
 	cmd.address = 0x4;
 	cmd.data = 0x3;
-	if (!wilc_sdio_cmd52(wilc, &cmd)) {
+	ret = wilc_sdio_cmd52(wilc, &cmd);
+	if (ret) {
 		dev_err(&func->dev, "Fail cmd 52, set IEN register...\n");
 		goto _fail_;
 	}
@@ -548,7 +564,6 @@ static int sdio_init(struct wilc *wilc)
 
 static int sdio_read_size(struct wilc *wilc, u32 *size)
 {
-
 	u32 tmp;
 	sdio_cmd52_t cmd;
 
@@ -667,7 +682,7 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 			cmd.data = reg;
 
 			ret = wilc_sdio_cmd52(wilc, &cmd);
-			if (!ret) {
+			if (ret) {
 				dev_err(&func->dev,
 					"Failed cmd52, set 0xf8 data (%d) ...\n",
 					__LINE__);
@@ -697,7 +712,7 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 						cmd.data = BIT(i);
 
 						ret = wilc_sdio_cmd52(wilc, &cmd);
-						if (!ret) {
+						if (ret) {
 							dev_err(&func->dev,
 								"Failed cmd52, set 0xf8 data (%d) ...\n",
 								__LINE__);
@@ -744,7 +759,7 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 				cmd.address = 0xf6;
 				cmd.data = vmm_ctl;
 				ret = wilc_sdio_cmd52(wilc, &cmd);
-				if (!ret) {
+				if (ret) {
 					dev_err(&func->dev,
 						"Failed cmd52, set 0xf6 data (%d) ...\n",
 						__LINE__);