Re: linux-next: manual merge of the akpm-current tree with the generic-ioremap tree

From: Andrew Morton
Date: Mon Dec 23 2019 - 17:01:58 EST


On Sat, 21 Dec 2019 09:32:11 +0100 Christoph Hellwig <hch@xxxxxx> wrote:

> Andrew,
>
> do you plan to send this to Linus for 5.5 to fix the warning from the
> new devm_ioremap_uc addition in this cycle? If so I can rebase the
> ioremap tree one more time.

I'm not sure what to do about this because of
https://lore.kernel.org/lkml/CAMuHMdUO=cZMsFx4t_uULNRuwnGLjbRYOJAo7j5gC-iSV3wy5w@xxxxxxxxxxxxxx/

I'd rather just drop the patch. Can you please take care of it all?


From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Subject: hexagon: define ioremap_uc

Similar to commit 38e45d81d14e ("sparc64: implement ioremap_uc") define
ioremap_uc for hexagon to avoid errors from
-Wimplicit-function-definition.

Link: http://lkml.kernel.org/r/20191209222956.239798-2-ndesaulniers@xxxxxxxxxx
Link: https://github.com/ClangBuiltLinux/linux/issues/797
Fixes: e537654b7039 ("lib: devres: add a helper function for ioremap_uc")
Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Suggested-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Acked-by: Brian Cain <bcain@xxxxxxxxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Tuowen Zhao <ztuowen@xxxxxxxxx>
Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Alexios Zavras <alexios.zavras@xxxxxxxxx>
Cc: Allison Randal <allison@xxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Richard Fontana <rfontana@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

arch/hexagon/include/asm/io.h | 1 +
1 file changed, 1 insertion(+)

--- a/arch/hexagon/include/asm/io.h~hexagon-define-ioremap_uc
+++ a/arch/hexagon/include/asm/io.h
@@ -173,6 +173,7 @@ static inline void writel(u32 data, vola

void __iomem *ioremap(unsigned long phys_addr, unsigned long size);
#define ioremap_nocache ioremap
+#define ioremap_uc(X, Y) ioremap((X), (Y))


#define __raw_writel writel
_