diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh4/sq.c')
-rw-r--r-- | arch/sh/kernel/cpu/sh4/sq.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 8a8a993f55ea..14726eef1ce0 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c | |||
@@ -43,9 +43,9 @@ static unsigned long *sq_bitmap; | |||
43 | 43 | ||
44 | #define store_queue_barrier() \ | 44 | #define store_queue_barrier() \ |
45 | do { \ | 45 | do { \ |
46 | (void)ctrl_inl(P4SEG_STORE_QUE); \ | 46 | (void)__raw_readl(P4SEG_STORE_QUE); \ |
47 | ctrl_outl(0, P4SEG_STORE_QUE + 0); \ | 47 | __raw_writel(0, P4SEG_STORE_QUE + 0); \ |
48 | ctrl_outl(0, P4SEG_STORE_QUE + 8); \ | 48 | __raw_writel(0, P4SEG_STORE_QUE + 8); \ |
49 | } while (0); | 49 | } while (0); |
50 | 50 | ||
51 | /** | 51 | /** |
@@ -100,7 +100,7 @@ static inline void sq_mapping_list_del(struct sq_mapping *map) | |||
100 | spin_unlock_irq(&sq_mapping_lock); | 100 | spin_unlock_irq(&sq_mapping_lock); |
101 | } | 101 | } |
102 | 102 | ||
103 | static int __sq_remap(struct sq_mapping *map, unsigned long flags) | 103 | static int __sq_remap(struct sq_mapping *map, pgprot_t prot) |
104 | { | 104 | { |
105 | #if defined(CONFIG_MMU) | 105 | #if defined(CONFIG_MMU) |
106 | struct vm_struct *vma; | 106 | struct vm_struct *vma; |
@@ -113,7 +113,7 @@ static int __sq_remap(struct sq_mapping *map, unsigned long flags) | |||
113 | 113 | ||
114 | if (ioremap_page_range((unsigned long)vma->addr, | 114 | if (ioremap_page_range((unsigned long)vma->addr, |
115 | (unsigned long)vma->addr + map->size, | 115 | (unsigned long)vma->addr + map->size, |
116 | vma->phys_addr, __pgprot(flags))) { | 116 | vma->phys_addr, prot)) { |
117 | vunmap(vma->addr); | 117 | vunmap(vma->addr); |
118 | return -EAGAIN; | 118 | return -EAGAIN; |
119 | } | 119 | } |
@@ -123,8 +123,8 @@ static int __sq_remap(struct sq_mapping *map, unsigned long flags) | |||
123 | * straightforward, as we can just load up each queue's QACR with | 123 | * straightforward, as we can just load up each queue's QACR with |
124 | * the physical address appropriately masked. | 124 | * the physical address appropriately masked. |
125 | */ | 125 | */ |
126 | ctrl_outl(((map->addr >> 26) << 2) & 0x1c, SQ_QACR0); | 126 | __raw_writel(((map->addr >> 26) << 2) & 0x1c, SQ_QACR0); |
127 | ctrl_outl(((map->addr >> 26) << 2) & 0x1c, SQ_QACR1); | 127 | __raw_writel(((map->addr >> 26) << 2) & 0x1c, SQ_QACR1); |
128 | #endif | 128 | #endif |
129 | 129 | ||
130 | return 0; | 130 | return 0; |
@@ -135,14 +135,14 @@ static int __sq_remap(struct sq_mapping *map, unsigned long flags) | |||
135 | * @phys: Physical address of mapping. | 135 | * @phys: Physical address of mapping. |
136 | * @size: Length of mapping. | 136 | * @size: Length of mapping. |
137 | * @name: User invoking mapping. | 137 | * @name: User invoking mapping. |
138 | * @flags: Protection flags. | 138 | * @prot: Protection bits. |
139 | * | 139 | * |
140 | * Remaps the physical address @phys through the next available store queue | 140 | * Remaps the physical address @phys through the next available store queue |
141 | * address of @size length. @name is logged at boot time as well as through | 141 | * address of @size length. @name is logged at boot time as well as through |
142 | * the sysfs interface. | 142 | * the sysfs interface. |
143 | */ | 143 | */ |
144 | unsigned long sq_remap(unsigned long phys, unsigned int size, | 144 | unsigned long sq_remap(unsigned long phys, unsigned int size, |
145 | const char *name, unsigned long flags) | 145 | const char *name, pgprot_t prot) |
146 | { | 146 | { |
147 | struct sq_mapping *map; | 147 | struct sq_mapping *map; |
148 | unsigned long end; | 148 | unsigned long end; |
@@ -177,7 +177,7 @@ unsigned long sq_remap(unsigned long phys, unsigned int size, | |||
177 | 177 | ||
178 | map->sq_addr = P4SEG_STORE_QUE + (page << PAGE_SHIFT); | 178 | map->sq_addr = P4SEG_STORE_QUE + (page << PAGE_SHIFT); |
179 | 179 | ||
180 | ret = __sq_remap(map, pgprot_val(PAGE_KERNEL_NOCACHE) | flags); | 180 | ret = __sq_remap(map, prot); |
181 | if (unlikely(ret != 0)) | 181 | if (unlikely(ret != 0)) |
182 | goto out; | 182 | goto out; |
183 | 183 | ||
@@ -309,8 +309,7 @@ static ssize_t mapping_store(const char *buf, size_t count) | |||
309 | return -EIO; | 309 | return -EIO; |
310 | 310 | ||
311 | if (likely(len)) { | 311 | if (likely(len)) { |
312 | int ret = sq_remap(base, len, "Userspace", | 312 | int ret = sq_remap(base, len, "Userspace", PAGE_SHARED); |
313 | pgprot_val(PAGE_SHARED)); | ||
314 | if (ret < 0) | 313 | if (ret < 0) |
315 | return ret; | 314 | return ret; |
316 | } else | 315 | } else |
@@ -327,7 +326,7 @@ static struct attribute *sq_sysfs_attrs[] = { | |||
327 | NULL, | 326 | NULL, |
328 | }; | 327 | }; |
329 | 328 | ||
330 | static struct sysfs_ops sq_sysfs_ops = { | 329 | static const struct sysfs_ops sq_sysfs_ops = { |
331 | .show = sq_sysfs_show, | 330 | .show = sq_sysfs_show, |
332 | .store = sq_sysfs_store, | 331 | .store = sq_sysfs_store, |
333 | }; | 332 | }; |