diff options
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/sh/mm/consistent.c | 15 | ||||
| -rw-r--r-- | arch/sh/mm/uncached.c | 2 |
3 files changed, 9 insertions, 10 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 09370392aff..c3e61b36649 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -79,7 +79,7 @@ config 29BIT config 32BIT bool - default y if CPU_SH5 + default y if CPU_SH5 || !MMU config PMB bool "Support 32-bit physical addressing through PMB" diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 03879328699..40733a95240 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -79,21 +79,20 @@ void dma_generic_free_coherent(struct device *dev, size_t size, void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { -#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB) - void *p1addr = vaddr; -#else - void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr); -#endif + void *addr; + + addr = __in_29bit_mode() ? + (void *)P1SEGADDR((unsigned long)vaddr) : vaddr; switch (direction) { case DMA_FROM_DEVICE: /* invalidate only */ - __flush_invalidate_region(p1addr, size); + __flush_invalidate_region(addr, size); break; case DMA_TO_DEVICE: /* writeback only */ - __flush_wback_region(p1addr, size); + __flush_wback_region(addr, size); break; case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - __flush_purge_region(p1addr, size); + __flush_purge_region(addr, size); break; default: BUG(); diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c index 8a4eca551fc..a7767da815e 100644 --- a/arch/sh/mm/uncached.c +++ b/arch/sh/mm/uncached.c @@ -28,7 +28,7 @@ EXPORT_SYMBOL(virt_addr_uncached); void __init uncached_init(void) { -#ifdef CONFIG_29BIT +#if defined(CONFIG_29BIT) || !defined(CONFIG_MMU) uncached_start = P2SEG; #else uncached_start = memory_end; |