On Wed, Mar 24, 2021 at 11:24:51AM +0800, Huang Pei wrote:

When page size larger than 16KB, arguments "vaddr + size(16KB)" in
"ioremap_page_range(vaddr, vaddr + size,...)" called by
"add_legacy_isa_io" is not page-aligned.

As loongson64 needs at least page size 16KB to get rid of cache alias,
and "vaddr" is 64KB-aligned, and 64KB is largest page size supported,
rounding "size" up to PAGE_SIZE is enough for all page size supported.

Fixes: 6d0068ad15e4 ("MIPS: Loongson64: Process ISA Node in DeviceTree")
Signed-off-by: Huang Pei <redacted>
---
 arch/mips/loongson64/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

applied to mips-next.

Thomas.

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