linux-kernel - [PATCH] csky: add alignment for the delay code

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Message-Id: <20221118024003.1245339-1-xujialu@vimux.org>
Date:   Fri, 18 Nov 2022 10:40:03 +0800
From:   Jialu Xu <xujialu@...ux.org>
To:     guoren@...nel.org, linux-csky@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Jialu Xu <xujialu@...ux.org>
Subject: [PATCH] csky: add alignment for the delay code

Specify 8 bytes alignment for the function __delay or we get bad delay
like udelay(10) will be 25us in fact.

Thanks for Guo Ren's help.

Signed-off-by: Jialu Xu <xujialu@...ux.org>
---
 arch/csky/lib/delay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/csky/lib/delay.c b/arch/csky/lib/delay.c
index 22570b0790d6..f5db317313bb 100644
--- a/arch/csky/lib/delay.c
+++ b/arch/csky/lib/delay.c
@@ -5,7 +5,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 
-void __delay(unsigned long loops)
+void __aligned(8) __delay(unsigned long loops)
 {
 	asm volatile (
 		"mov r0, r0\n"
-- 
2.30.2