From a28d73ca3ac7fffff317e62167ef26310b951ca0 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Wed, 28 Mar 2012 10:31:36 +0200 Subject: microblaze: Fix tlb_skip variable on noMMU system TLBs are available only for MMU systems. Error log: arch/microblaze/kernel/setup.c: In function 'debugfs_tlb': arch/microblaze/kernel/setup.c:217: error: 'tlb_skip' undeclared (first use in this function) arch/microblaze/kernel/setup.c:217: error: (Each undeclared identifier is reported only once arch/microblaze/kernel/setup.c:217: error: for each function it appears in.) make[1]: *** [arch/microblaze/kernel/setup.o] Error 1 Signed-off-by: Michal Simek --- arch/microblaze/kernel/setup.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/microblaze/kernel') diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index e4f5956ee13..61dc7390984 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -209,6 +209,7 @@ static int microblaze_debugfs_init(void) } arch_initcall(microblaze_debugfs_init); +# ifdef CONFIG_MMU static int __init debugfs_tlb(void) { struct dentry *d; @@ -221,6 +222,7 @@ static int __init debugfs_tlb(void) return -ENOMEM; } device_initcall(debugfs_tlb); +# endif #endif static int dflt_bus_notify(struct notifier_block *nb, -- cgit v1.2.3-70-g09d2 From 988624ec13e87680eb3eaa0f1e921fedd48b4ac4 Mon Sep 17 00:00:00 2001 From: Andrzej Pietrasiewicz Date: Tue, 27 Mar 2012 14:56:04 +0200 Subject: Microblaze: adapt for dma_map_ops changes Adapt core Microblaze architecture code for dma_map_ops changes: replace alloc/free_coherent with generic alloc/free methods. Signed-off-by: Andrzej Pietrasiewicz Acked-by: Kyungmin Park [fixed coding style issues] Signed-off-by: Marek Szyprowski Reviewed-by: Arnd Bergmann --- arch/microblaze/include/asm/dma-mapping.h | 18 ++++++++++++------ arch/microblaze/kernel/dma.c | 10 ++++++---- 2 files changed, 18 insertions(+), 10 deletions(-) (limited to 'arch/microblaze/kernel') diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index 3a3e5b88685..01d228286cb 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -123,28 +123,34 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) +#define dma_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *memory; BUG_ON(!ops); - memory = ops->alloc_coherent(dev, size, dma_handle, flag); + memory = ops->alloc(dev, size, dma_handle, flag, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, memory); return memory; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d, s, c, h, NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); BUG_ON(!ops); debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); - ops->free_coherent(dev, size, cpu_addr, dma_handle); + ops->free(dev, size, cpu_addr, dma_handle, attrs); } static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 65a4af4cbbb..a2bfa2ca573 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -33,7 +33,8 @@ static unsigned long get_dma_direct_offset(struct device *dev) #define NOT_COHERENT_CACHE static void *dma_direct_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { #ifdef NOT_COHERENT_CACHE return consistent_alloc(flag, size, dma_handle); @@ -57,7 +58,8 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size, } static void dma_direct_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { #ifdef NOT_COHERENT_CACHE consistent_free(size, vaddr); @@ -176,8 +178,8 @@ dma_direct_sync_sg_for_device(struct device *dev, } struct dma_map_ops dma_direct_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, + .alloc = dma_direct_alloc_coherent, + .free = dma_direct_free_coherent, .map_sg = dma_direct_map_sg, .unmap_sg = dma_direct_unmap_sg, .dma_supported = dma_direct_dma_supported, -- cgit v1.2.3-70-g09d2 From 90c0d80daa82fa9cbaa85d1a787375b33877d2d4 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Fri, 30 Mar 2012 11:29:38 +0200 Subject: microblaze: Add missing headers caused by disintegration asm/system.h It should be the part of patch "Disintegrate asm/system.h for Microblaze" (sha1: c40d04df152a1111c5bbcb632278394dabd2b73d) Signed-off-by: Michal Simek --- arch/microblaze/include/asm/cmpxchg.h | 2 ++ arch/microblaze/kernel/unwind.c | 1 + 2 files changed, 3 insertions(+) (limited to 'arch/microblaze/kernel') diff --git a/arch/microblaze/include/asm/cmpxchg.h b/arch/microblaze/include/asm/cmpxchg.h index 0094859abd9..538afc0ab9f 100644 --- a/arch/microblaze/include/asm/cmpxchg.h +++ b/arch/microblaze/include/asm/cmpxchg.h @@ -1,6 +1,8 @@ #ifndef _ASM_MICROBLAZE_CMPXCHG_H #define _ASM_MICROBLAZE_CMPXCHG_H +#include + void __bad_xchg(volatile void *ptr, int size); static inline unsigned long __xchg(unsigned long x, volatile void *ptr, diff --git a/arch/microblaze/kernel/unwind.c b/arch/microblaze/kernel/unwind.c index 9781a528cfc..6be4ae3c335 100644 --- a/arch/microblaze/kernel/unwind.c +++ b/arch/microblaze/kernel/unwind.c @@ -24,6 +24,7 @@ #include #include #include +#include struct stack_trace; -- cgit v1.2.3-70-g09d2 From 0fc7374bb5df938ef3d386e48ac9797d7651e9cc Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 2 Apr 2012 12:50:54 +0200 Subject: microblaze: Do not use tlb_skip in early_printk tlb_skip is valid only for MMU system. Signed-off-by: Michal Simek --- arch/microblaze/kernel/early_printk.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/microblaze/kernel') diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c index ec485876d0d..aba1f9a97d5 100644 --- a/arch/microblaze/kernel/early_printk.c +++ b/arch/microblaze/kernel/early_printk.c @@ -176,6 +176,7 @@ void __init remap_early_printk(void) base_addr = (u32) ioremap(base_addr, PAGE_SIZE); printk(KERN_CONT "0x%x\n", base_addr); +#ifdef CONFIG_MMU /* * Early console is on the top of skipped TLB entries * decrease tlb_skip size ensure that hardcoded TLB entry will be @@ -189,6 +190,7 @@ void __init remap_early_printk(void) * cmp rX, orig_base_addr */ tlb_skip -= 1; +#endif } void __init disable_early_printk(void) -- cgit v1.2.3-70-g09d2