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>

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 6bcee41..271b558 100644 (file)
--- 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 42e6d66..efc6b36 100644 (file)
--- 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