From: Eric Miao <eric.miao@linaro.org>
Date: Thu, 22 Dec 2011 03:55:01 +0000 (+0800)
Subject: ARM: imx6q: resume PL310 only when CACHE_L2X0 defined
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=733d1724d7c5c79113d8063d3d9d93e8c80cea82;p=mv-sheeva.git

ARM: imx6q: resume PL310 only when CACHE_L2X0 defined

Original patch from Lothar Waßmann, this patch fixes a building error
when CONFIG_CACHE_L2X0 is not defined.

Cc: Lothar Waßmann <lw@karo-electronics.de>
Signed-off-by: Eric Miao <eric.miao@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---

diff --git a/arch/arm/mach-imx/head-v7.S b/arch/arm/mach-imx/head-v7.S
index a59cae747af..cec23a857c7 100644
--- a/arch/arm/mach-imx/head-v7.S
+++ b/arch/arm/mach-imx/head-v7.S
@@ -80,6 +80,7 @@ ENDPROC(v7_secondary_startup)
 	.data
 	.align
 
+#ifdef CONFIG_CACHE_L2X0
 	.macro	pl310_resume
 	ldr	r2, phys_l2x0_saved_regs
 	ldr	r0, [r2, #L2X0_R_PHY_BASE]	@ get physical base of l2x0
@@ -89,13 +90,17 @@ ENDPROC(v7_secondary_startup)
 	str	r1, [r0, #L2X0_CTRL]		@ re-enable L2
 	.endm
 
+	.globl	phys_l2x0_saved_regs
+phys_l2x0_saved_regs:
+        .long   0
+#else
+	.macro	pl310_resume
+	.endm
+#endif
+
 ENTRY(v7_cpu_resume)
 	bl	v7_invalidate_l1
 	pl310_resume
 	b	cpu_resume
 ENDPROC(v7_cpu_resume)
-
-	.globl	phys_l2x0_saved_regs
-phys_l2x0_saved_regs:
-        .long   0
 #endif
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index f20f191d7cc..f7b0c2b1b90 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -64,7 +64,9 @@ void __init imx6q_pm_init(void)
 	 * address of the data structure used by l2x0 core to save registers,
 	 * and later restore the necessary ones in imx6q resume entry.
 	 */
+#ifdef CONFIG_CACHE_L2X0
 	phys_l2x0_saved_regs = __pa(&l2x0_saved_regs);
+#endif
 
 	suspend_set_ops(&imx6q_pm_ops);
 }