linux-kernel - [PATCH] [RESEND] ARM: davinci: fix sleep.S build error on ARMv4

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Date:   Mon, 22 Jul 2019 16:51:50 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     soc@...nel.org, Sekhar Nori <nsekhar@...com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [RESEND] ARM: davinci: fix sleep.S build error on ARMv4

When building a multiplatform kernel that includes armv4 support,
the default target CPU does not support the blx instruction,
which leads to a build failure:

arch/arm/mach-davinci/sleep.S: Assembler messages:
arch/arm/mach-davinci/sleep.S:56: Error: selected processor does not support `blx ip' in ARM mode

Add a .arch statement in the sources to make this file build.

Acked-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
I forgot to pick this up for arm-soc, sending again so it
ends up in the inbox
---
 arch/arm/mach-davinci/sleep.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index 05d03f09ff54..71262dcdbca3 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -24,6 +24,7 @@
 #define DEEPSLEEP_SLEEPENABLE_BIT	BIT(31)
 
 	.text
+	.arch	armv5te
 /*
  * Move DaVinci into deep sleep state
  *
-- 
2.20.0