diff options
Diffstat (limited to 'arch/c6x')
| -rw-r--r-- | arch/c6x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/c6x/include/uapi/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/c6x/mm/dma-coherent.c | 13 | ||||
| -rw-r--r-- | arch/c6x/mm/init.c | 4 |
4 files changed, 12 insertions, 8 deletions
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index 456e154674d1..e5cd3c5f8399 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -6,6 +6,7 @@ config C6X def_bool y + select ARCH_32BIT_OFF_T select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select CLKDEV_LOOKUP diff --git a/arch/c6x/include/uapi/asm/unistd.h b/arch/c6x/include/uapi/asm/unistd.h index 6b2fe792de9d..79b724c39d9b 100644 --- a/arch/c6x/include/uapi/asm/unistd.h +++ b/arch/c6x/include/uapi/asm/unistd.h @@ -17,7 +17,9 @@ #define __ARCH_WANT_RENAMEAT #define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SET_GET_RLIMIT #define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_TIME32_SYSCALLS /* Use the standard ABI for syscalls. */ #include <asm-generic/unistd.h> diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c index 75b79571732c..0d3701bc88f6 100644 --- a/arch/c6x/mm/dma-coherent.c +++ b/arch/c6x/mm/dma-coherent.c @@ -121,8 +121,6 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr, */ void __init coherent_mem_init(phys_addr_t start, u32 size) { - phys_addr_t bitmap_phys; - if (!size) return; @@ -138,11 +136,12 @@ void __init coherent_mem_init(phys_addr_t start, u32 size) if (dma_size & (PAGE_SIZE - 1)) ++dma_pages; - bitmap_phys = memblock_phys_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long), - sizeof(long)); - - dma_bitmap = phys_to_virt(bitmap_phys); - memset(dma_bitmap, 0, dma_pages * PAGE_SIZE); + dma_bitmap = memblock_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long), + sizeof(long)); + if (!dma_bitmap) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, BITS_TO_LONGS(dma_pages) * sizeof(long), + sizeof(long)); } static void c6x_dma_sync(struct device *dev, phys_addr_t paddr, size_t size, diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c index af5ada0520be..fe582c3a1794 100644 --- a/arch/c6x/mm/init.c +++ b/arch/c6x/mm/init.c @@ -40,7 +40,9 @@ void __init paging_init(void) empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE, PAGE_SIZE); - memset((void *)empty_zero_page, 0, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up user data space |