mmc: squash lines for immediate return

These functions can be much simpler by squashing lines for immediate
return.

For *_bind() callbacks, they will be a simple wrapper function of an
upper-level bind API.

For mmc_set_{boot_bus_width,part_conf}, they will be a wrapper of
mmc_switch().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/drivers/mmc/atmel_sdhci.c b/drivers/mmc/atmel_sdhci.c
index dd6bd33..d8f8087 100644 (file)
--- a/drivers/mmc/atmel_sdhci.c
+++ b/drivers/mmc/atmel_sdhci.c
@@ -136,13 +136,8 @@ static int atmel_sdhci_probe(struct udevice *dev)
 static int atmel_sdhci_bind(struct udevice *dev)
 {
        struct atmel_sdhci_plat *plat = dev_get_platdata(dev);
-       int ret;
 
-       ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return sdhci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id atmel_sdhci_ids[] = {

diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
index 57271f1..568fed7 100644 (file)
--- a/drivers/mmc/exynos_dw_mmc.c
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -284,13 +284,8 @@ static int exynos_dwmmc_probe(struct udevice *dev)
 static int exynos_dwmmc_bind(struct udevice *dev)
 {
        struct exynos_mmc_plat *plat = dev_get_platdata(dev);
-       int ret;
 
-       ret = dwmci_bind(dev, &plat->mmc, &plat->cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return dwmci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id exynos_dwmmc_ids[] = {

diff --git a/drivers/mmc/mmc_boot.c b/drivers/mmc/mmc_boot.c
index 756a982..ac6f56f 100644 (file)
--- a/drivers/mmc/mmc_boot.c
+++ b/drivers/mmc/mmc_boot.c
@@ -85,16 +85,10 @@ int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize,
  */
 int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode)
 {
-       int err;
-
-       err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_BUS_WIDTH,
-                        EXT_CSD_BOOT_BUS_WIDTH_MODE(mode) |
-                        EXT_CSD_BOOT_BUS_WIDTH_RESET(reset) |
-                        EXT_CSD_BOOT_BUS_WIDTH_WIDTH(width));
-
-       if (err)
-               return err;
-       return 0;
+       return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_BUS_WIDTH,
+                         EXT_CSD_BOOT_BUS_WIDTH_MODE(mode) |
+                         EXT_CSD_BOOT_BUS_WIDTH_RESET(reset) |
+                         EXT_CSD_BOOT_BUS_WIDTH_WIDTH(width));
 }
 
 /*
@@ -106,16 +100,10 @@ int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode)
  */
 int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
 {
-       int err;
-
-       err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF,
-                        EXT_CSD_BOOT_ACK(ack) |
-                        EXT_CSD_BOOT_PART_NUM(part_num) |
-                        EXT_CSD_PARTITION_ACCESS(access));
-
-       if (err)
-               return err;
-       return 0;
+       return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF,
+                         EXT_CSD_BOOT_ACK(ack) |
+                         EXT_CSD_BOOT_PART_NUM(part_num) |
+                         EXT_CSD_PARTITION_ACCESS(access));
 }
 
 /*

diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c
index 8d4399e..1b82991 100644 (file)
--- a/drivers/mmc/msm_sdhci.c
+++ b/drivers/mmc/msm_sdhci.c
@@ -190,13 +190,8 @@ static int msm_ofdata_to_platdata(struct udevice *dev)
 static int msm_sdc_bind(struct udevice *dev)
 {
        struct msm_sdhc_plat *plat = dev_get_platdata(dev);
-       int ret;
 
-       ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return sdhci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id msm_mmc_ids[] = {

diff --git a/drivers/mmc/rockchip_dw_mmc.c b/drivers/mmc/rockchip_dw_mmc.c
index 020a59b..859760b 100644 (file)
--- a/drivers/mmc/rockchip_dw_mmc.c
+++ b/drivers/mmc/rockchip_dw_mmc.c
@@ -142,13 +142,8 @@ static int rockchip_dwmmc_probe(struct udevice *dev)
 static int rockchip_dwmmc_bind(struct udevice *dev)
 {
        struct rockchip_mmc_plat *plat = dev_get_platdata(dev);
-       int ret;
 
-       ret = dwmci_bind(dev, &plat->mmc, &plat->cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return dwmci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id rockchip_dwmmc_ids[] = {

diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
index 624029b..c56e1a3 100644 (file)
--- a/drivers/mmc/rockchip_sdhci.c
+++ b/drivers/mmc/rockchip_sdhci.c
@@ -62,13 +62,8 @@ static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
 static int rockchip_sdhci_bind(struct udevice *dev)
 {
        struct rockchip_sdhc_plat *plat = dev_get_platdata(dev);
-       int ret;
 
-       ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return sdhci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id arasan_sdhci_ids[] = {

diff --git a/drivers/mmc/sandbox_mmc.c b/drivers/mmc/sandbox_mmc.c
index 5f1333b..fdb29a5 100644 (file)
--- a/drivers/mmc/sandbox_mmc.c
+++ b/drivers/mmc/sandbox_mmc.c
@@ -112,7 +112,6 @@ int sandbox_mmc_bind(struct udevice *dev)
 {
        struct sandbox_mmc_plat *plat = dev_get_platdata(dev);
        struct mmc_config *cfg = &plat->cfg;
-       int ret;
 
        cfg->name = dev->name;
        cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_8BIT;
@@ -121,11 +120,7 @@ int sandbox_mmc_bind(struct udevice *dev)
        cfg->f_max = 52000000;
        cfg->b_max = U32_MAX;
 
-       ret = mmc_bind(dev, &plat->mmc, cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return mmc_bind(dev, &plat->mmc, cfg);
 }
 
 int sandbox_mmc_unbind(struct udevice *dev)

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 3815b94..b991102 100644 (file)
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -63,13 +63,8 @@ static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
 static int arasan_sdhci_bind(struct udevice *dev)
 {
        struct arasan_sdhci_plat *plat = dev_get_platdata(dev);
-       int ret;
 
-       ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return sdhci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id arasan_sdhci_ids[] = {