From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/csky/mm/ioremap.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 arch/csky/mm/ioremap.c (limited to 'arch/csky/mm/ioremap.c') diff --git a/arch/csky/mm/ioremap.c b/arch/csky/mm/ioremap.c new file mode 100644 index 000000000..70c8268d3 --- /dev/null +++ b/arch/csky/mm/ioremap.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. + +#include +#include +#include + +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot) +{ + if (!pfn_valid(pfn)) { + return pgprot_noncached(vma_prot); + } else if (file->f_flags & O_SYNC) { + return pgprot_writecombine(vma_prot); + } + + return vma_prot; +} +EXPORT_SYMBOL(phys_mem_access_prot); -- cgit v1.2.3