From 88e9a93c9d53ddcf633aa07f14245da7f30408c2 Mon Sep 17 00:00:00 2001 From: Manuel Lauss Date: Thu, 20 Feb 2014 14:59:23 +0100 Subject: MIPS: Alchemy: Determine cohereny at runtime based on cpu type All Alchemy chips have coherent DMA, but for example the USB or AC97 peripherals on the Au1000/1500/1100 are not. This patch uses DMA_MAYBE_COHERENT on Alchemy and sets coherentio based on CPU type. Signed-off-by: Manuel Lauss Cc: Linux-MIPS Patchwork: https://patchwork.linux-mips.org/patch/6576/ Signed-off-by: Ralf Baechle --- arch/mips/alchemy/Kconfig | 5 ----- 1 file changed, 5 deletions(-) (limited to 'arch/mips/alchemy/Kconfig') diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig index 7032ac7ecd1b..41386723f9fa 100644 --- a/arch/mips/alchemy/Kconfig +++ b/arch/mips/alchemy/Kconfig @@ -20,7 +20,6 @@ choice config MIPS_MTX1 bool "4G Systems MTX-1 board" - select DMA_NONCOHERENT select HW_HAS_PCI select ALCHEMY_GPIOINT_AU1000 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -29,7 +28,6 @@ config MIPS_MTX1 config MIPS_DB1000 bool "Alchemy DB1000/DB1500/DB1100 PB1500/1100 boards" select ALCHEMY_GPIOINT_AU1000 - select DMA_NONCOHERENT select HW_HAS_PCI select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN @@ -39,13 +37,11 @@ config MIPS_DB1235 bool "Alchemy DB1200/PB1200/DB1300/DB1550/PB1550 boards" select ARCH_REQUIRE_GPIOLIB select HW_HAS_PCI - select DMA_COHERENT select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_HAS_EARLY_PRINTK config MIPS_XXS1500 bool "MyCable XXS1500 board" - select DMA_NONCOHERENT select ALCHEMY_GPIOINT_AU1000 select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_HAS_EARLY_PRINTK @@ -54,7 +50,6 @@ config MIPS_GPR bool "Trapeze ITS GPR board" select ALCHEMY_GPIOINT_AU1000 select HW_HAS_PCI - select DMA_NONCOHERENT select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_HAS_EARLY_PRINTK -- cgit v1.2.3-55-g7522