From: Ralf Baechle Date: Thu, 30 Nov 2006 01:14:51 +0000 (+0000) Subject: [MIPS] Remove duplicate ISA DMA code for 0 DMA channel case. X-Git-Tag: v2.6.20-rc2~6^2~13^2~474^2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=aa414dff4f7bef29457592414551becdca72dd6b;p=linux-2.6-omap-h63xx.git [MIPS] Remove duplicate ISA DMA code for 0 DMA channel case. Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c0da0ffe8d5..96143670759 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -266,8 +266,8 @@ config MIPS_MALTA select BOOT_ELF32 select HAVE_STD_PC_SERIAL_PORT select DMA_NONCOHERENT - select IRQ_CPU select GENERIC_ISA_DMA + select IRQ_CPU select HW_HAS_PCI select I8259 select MIPS_BOARDS_GEN @@ -534,7 +534,7 @@ config SGI_IP22 select HW_HAS_EISA select IP22_CPU_SCACHE select IRQ_CPU - select NO_ISA if ISA + select GENERIC_ISA_DMA_SUPPORT_BROKEN select SWAP_IO_SPACE select SYS_HAS_CPU_R4X00 select SYS_HAS_CPU_R5000 @@ -881,6 +881,9 @@ config MIPS_NILE4 config MIPS_DISABLE_OBSOLETE_IDE bool +config GENERIC_ISA_DMA_SUPPORT_BROKEN + bool + # # Endianess selection. Suffiently obscure so many users don't know what to # answer,so we try hard to limit the available choices. Also the use of a @@ -1852,13 +1855,11 @@ source "drivers/pci/Kconfig" config ISA bool -config NO_ISA - bool - config EISA bool "EISA support" depends on HW_HAS_EISA select ISA + select GENERIC_ISA_DMA ---help--- The Extended Industry Standard Architecture (EISA) bus was developed as an open alternative to the IBM MicroChannel bus. diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index f35b739d0a1..bbbb8d7cb89 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -45,7 +45,6 @@ obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o -obj-$(CONFIG_NO_ISA) += dma-no-isa.o obj-$(CONFIG_I8259) += i8259.o obj-$(CONFIG_IRQ_CPU) += irq_cpu.o obj-$(CONFIG_IRQ_CPU_RM7K) += irq-rm7000.o diff --git a/arch/mips/kernel/dma-no-isa.c b/arch/mips/kernel/dma-no-isa.c deleted file mode 100644 index 6df8b07741e..00000000000 --- a/arch/mips/kernel/dma-no-isa.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2004 by Ralf Baechle - * - * Dummy ISA DMA functions for systems that don't have ISA but share drivers - * with ISA such as legacy free PCI. - */ -#include -#include -#include - -DEFINE_SPINLOCK(dma_spin_lock); - -int request_dma(unsigned int dmanr, const char * device_id) -{ - return -EINVAL; -} - -void free_dma(unsigned int dmanr) -{ -} - -EXPORT_SYMBOL(dma_spin_lock); -EXPORT_SYMBOL(request_dma); -EXPORT_SYMBOL(free_dma); diff --git a/include/asm-mips/dma.h b/include/asm-mips/dma.h index e85849ac165..23f789c8084 100644 --- a/include/asm-mips/dma.h +++ b/include/asm-mips/dma.h @@ -74,7 +74,9 @@ * */ +#ifndef GENERIC_ISA_DMA_SUPPORT_BROKEN #define MAX_DMA_CHANNELS 8 +#endif /* * The maximum address in KSEG0 that we can perform a DMA transfer to on this