This patch modifies the dependencies between Exynos-related Kconfig
options to represent the real dependencies between code units more
closely.

Originally it was possible to enable ARCH_EXYNOS{4,5} without any
SOC_EXYNOS_{4,5}.* enabled, which could end with compilation or link
errors. Now ARCH_EXYNOS{4,5} is only selected when there is a
SOC_EXYNOS_{4,5}.* enabled, which requires it.

Signed-off-by: Tomasz Figa <t.f...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
 arch/arm/mach-exynos/Kconfig | 15 ++++++---------
 drivers/devfreq/Kconfig      |  2 +-
 drivers/mmc/host/sdhci-s3c.c |  2 +-
 drivers/tty/serial/samsung.c |  3 +--
 4 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 05dcd07..9f91892 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -12,15 +12,14 @@ if ARCH_EXYNOS
 menu "SAMSUNG EXYNOS SoCs Support"
 
 config ARCH_EXYNOS4
-       bool "SAMSUNG EXYNOS4"
-       default y
+       def_bool n
        select HAVE_SMP
        select MIGHT_HAVE_CACHE_L2X0
        help
          Samsung EXYNOS4 SoCs based systems
 
 config ARCH_EXYNOS5
-       bool "SAMSUNG EXYNOS5"
+       def_bool n
        select HAVE_SMP
        help
          Samsung EXYNOS5 (Cortex-A15) SoC based systems
@@ -30,7 +29,7 @@ comment "EXYNOS SoCs"
 config SOC_EXYNOS4210
        bool "SAMSUNG EXYNOS4210"
        default y
-       depends on ARCH_EXYNOS4
+       select ARCH_EXYNOS4
        select SAMSUNG_DMADEV
        select ARM_CPU_SUSPEND if PM
        select S5P_PM if PM
@@ -42,7 +41,7 @@ config SOC_EXYNOS4210
 config SOC_EXYNOS4212
        bool "SAMSUNG EXYNOS4212"
        default y
-       depends on ARCH_EXYNOS4
+       select ARCH_EXYNOS4
        select SAMSUNG_DMADEV
        select S5P_PM if PM
        select S5P_SLEEP if PM
@@ -51,6 +50,7 @@ config SOC_EXYNOS4212
 
 config SOC_EXYNOS4412
        bool "SAMSUNG EXYNOS4412"
+       select ARCH_EXYNOS4
        default y
        depends on ARCH_EXYNOS4
        select SAMSUNG_DMADEV
@@ -60,7 +60,7 @@ config SOC_EXYNOS4412
 config SOC_EXYNOS5250
        bool "SAMSUNG EXYNOS5250"
        default y
-       depends on ARCH_EXYNOS5
+       select ARCH_EXYNOS5
        select SAMSUNG_DMADEV
        select S5P_PM if PM
        select S5P_SLEEP if PM
@@ -176,8 +176,6 @@ config EXYNOS_SETUP_SPI
 
 # machine support
 
-if ARCH_EXYNOS4
-
 comment "EXYNOS4210 Boards"
 
 config MACH_SMDKC210
@@ -397,7 +395,6 @@ config MACH_SMDK4412
        select MACH_SMDK4212
        help
          Machine support for Samsung SMDK4412
-endif
 
 comment "Flattened Device Tree based board for EXYNOS SoCs"
 
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 8545069..c559609 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -67,7 +67,7 @@ comment "DEVFREQ Drivers"
 
 config ARM_EXYNOS4_BUS_DEVFREQ
        bool "ARM Exynos4210/4212/4412 Memory Bus DEVFREQ Driver"
-       depends on SOC_EXYNOS4210 || CPU_EXYNOS4212 || CPU_EXYNOS4412
+       depends on ARCH_EXYNOS4
        select ARCH_HAS_OPP
        select DEVFREQ_GOV_SIMPLE_ONDEMAND
        help
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index b090415..5e2083b 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -716,7 +716,7 @@ static const struct dev_pm_ops sdhci_s3c_pmops = {
 #define SDHCI_S3C_PMOPS NULL
 #endif
 
-#if defined(CONFIG_SOC_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212)
+#if defined(CONFIG_ARCH_EXYNOS4)
 static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = {
        .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK,
 };
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 175ba6e..c689091 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1594,8 +1594,7 @@ static struct s3c24xx_serial_drv_data 
s5pv210_serial_drv_data = {
 #define S5PV210_SERIAL_DRV_DATA        (kernel_ulong_t)NULL
 #endif
 
-#if defined(CONFIG_SOC_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) || \
-       defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
+#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_ARCH_EXYNOS5)
 static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
        .info = &(struct s3c24xx_uart_info) {
                .name           = "Samsung Exynos4 UART",
-- 
1.7.12

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