linux-kernel - [074/244] ARM: davinci: fix cache flush build error

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Message-Id: <20110928220133.106431233@clark.kroah.org>
Date:	Wed, 28 Sep 2011 15:00:38 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Dave Martin <dave.martin@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Sekhar Nori <nsekhar@...com>
Subject: [074/244] ARM: davinci: fix cache flush build error

3.0-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Linus Walleij <linus.walleij@...aro.org>

commit 897a6a1a14837d6d582bfd1fd7aba00be44b6469 upstream.

The TNET variant of DaVinci compiles some code that it shares
with other DaVinci variants, however it has a V6 CPU rather than
an ARM926T, thus the hardcoded call to arm926_flush_kern_cache_all()
in sleep.S will obviously fail, and we need to build with the
v6_flush_kern_cache_all() call instead. This was triggered by
manually altering the DaVinci config to build the TNET version.

Cc: Dave Martin <dave.martin@...aro.org>
Cc: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/arm/mach-davinci/sleep.S |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -217,7 +217,11 @@ ddr2clk_stop_done:
 ENDPROC(davinci_ddr_psc_config)
 
 CACHE_FLUSH:
-	.word	arm926_flush_kern_cache_all
+#ifdef CONFIG_CPU_V6
+	.word	v6_flush_kern_cache_all
+#else
+	.word   arm926_flush_kern_cache_all
+#endif
 
 ENTRY(davinci_cpu_suspend_sz)
 	.word	. - davinci_cpu_suspend


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