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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/microblaze/mm/consistent.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/microblaze/mm/consistent.c')
-rw-r--r-- | arch/microblaze/mm/consistent.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c new file mode 100644 index 000000000..b7ad4a986 --- /dev/null +++ b/arch/microblaze/mm/consistent.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Microblaze support for cache consistent memory. + * Copyright (C) 2010 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2010 PetaLogix + * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au> + */ + +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/init.h> +#include <linux/dma-map-ops.h> +#include <asm/cpuinfo.h> +#include <asm/cacheflush.h> + +void arch_dma_prep_coherent(struct page *page, size_t size) +{ + phys_addr_t paddr = page_to_phys(page); + + flush_dcache_range(paddr, paddr + size); +} |