ARM: tegra30: 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 271b558..d0f2546 100644 (file)
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -41,8 +41,6 @@ config ARCH_TEGRA_3x_SOC
        select ARM_ERRATA_764369
        select PL310_ERRATA_769419 if CACHE_L2X0
        select CPU_FREQ_TABLE if CPU_FREQ
-       select MEMORY
-       select TEGRA30_MC
        help
          Support for NVIDIA Tegra T30 processor family, based on the
          ARM CortexA9MP CPU and the ARM PL310 L2 cache controller

diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index efc6b36..067f311 100644 (file)
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -31,7 +31,13 @@ config TEGRA20_MC
          Relocation Table) module.
 
 config TEGRA30_MC
-       bool
+       bool "Tegra30 Memory Controller(MC) driver"
+       default y
        depends on ARCH_TEGRA_3x_SOC
+       help
+         This driver is for the Memory Controller(MC) module available
+         in Tegra30 SoCs, mainly for a address translation fault
+         analysis, especially for IOMMU/SMMU(System Memory Management
+         Unit) module.
 
 endif