ARM: tegra20: Make MC optional in Kconfig

For bare minimal system.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 7 insertions, 3 deletions

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 6bcee41f7e3e..271b558a7b1d 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -20,8 +20,6 @@ config ARCH_TEGRA_2x_SOC
         select PL310_ERRATA_727915 if CACHE_L2X0
         select PL310_ERRATA_769419 if CACHE_L2X0
         select CPU_FREQ_TABLE if CPU_FREQ
-        select MEMORY
-        select TEGRA20_MC
         help
           Support for NVIDIA Tegra AP20 and T20 processors, based on the
           ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index 42e6d66513b2..efc6b36f28c8 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -21,8 +21,14 @@ config TI_EMIF
           temperature changes
 
 config TEGRA20_MC
-        bool
+        bool "Tegra20 Memory Controller(MC) driver"
+        default y
         depends on ARCH_TEGRA_2x_SOC
+        help
+          This driver is for the Memory Controller(MC) module available
+          in Tegra20 SoCs, mainly for a address translation fault
+          analysis, especially for IOMMU/GART(Graphics Address
+          Relocation Table) module.
 
 config TEGRA30_MC
         bool