From: Jens Osterkamp <jens@de.ibm.com>
Date: Thu, 28 Feb 2008 10:27:31 +0000 (+0100)
Subject: [POWERPC] enable hardware watchpoints on cell blades
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f3c1ed9720ec62626bbf3e0c3648568c131978e2;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[POWERPC] enable hardware watchpoints on cell blades

Ulrich Weigand has found that the hardware watchpoints on cell were not
working back in November :

http://ozlabs.org/pipermail/linuxppc-dev/2007-November/046135.html

This patch sets them during initialization.

Signed-off-by: Jens Osterkamp <jens@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---

diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index a7f609b3b87..dda34650cb0 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -149,6 +149,11 @@ static void __init cell_init_irq(void)
 	mpic_init_IRQ();
 }
 
+static void __init cell_set_dabrx(void)
+{
+	mtspr(SPRN_DABRX, DABRX_KERNEL | DABRX_USER);
+}
+
 static void __init cell_setup_arch(void)
 {
 #ifdef CONFIG_SPU_BASE
@@ -158,6 +163,8 @@ static void __init cell_setup_arch(void)
 
 	cbe_regs_init();
 
+	cell_set_dabrx();
+
 #ifdef CONFIG_CBE_RAS
 	cbe_ras_init();
 #endif