From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001
From: José Pekkarinen <jose.pekkarinen@nokia.com>
Date: Mon, 11 Apr 2016 10:41:07 +0300
Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources
 are taken from kernel.org, and rt patch from the rt wiki download page.
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During the rebasing, the following patch collided:

Force tick interrupt and get rid of softirq magic(I70131fb85).

Collisions have been removed because its logic was found on the
source already.

Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
---
 kernel/arch/arm/mach-mvebu/board-v7.c | 36 -----------------------------------
 1 file changed, 36 deletions(-)

(limited to 'kernel/arch/arm/mach-mvebu/board-v7.c')

diff --git a/kernel/arch/arm/mach-mvebu/board-v7.c b/kernel/arch/arm/mach-mvebu/board-v7.c
index afee9083a..1648edd51 100644
--- a/kernel/arch/arm/mach-mvebu/board-v7.c
+++ b/kernel/arch/arm/mach-mvebu/board-v7.c
@@ -14,7 +14,6 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/clk-provider.h>
 #include <linux/of_address.h>
 #include <linux/of_fdt.h>
 #include <linux/of_platform.h>
@@ -23,7 +22,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/memblock.h>
 #include <linux/mbus.h>
-#include <linux/signal.h>
 #include <linux/slab.h>
 #include <linux/irqchip.h>
 #include <asm/hardware/cache-l2x0.h>
@@ -106,27 +104,6 @@ static void __init mvebu_memblock_reserve(void)
 static void __init mvebu_memblock_reserve(void) {}
 #endif
 
-/*
- * Early versions of Armada 375 SoC have a bug where the BootROM
- * leaves an external data abort pending. The kernel is hit by this
- * data abort as soon as it enters userspace, because it unmasks the
- * data aborts at this moment. We register a custom abort handler
- * below to ignore the first data abort to work around this
- * problem.
- */
-static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr,
-					struct pt_regs *regs)
-{
-	static int ignore_first;
-
-	if (!ignore_first && fsr == 0x1406) {
-		ignore_first = 1;
-		return 0;
-	}
-
-	return 1;
-}
-
 static void __init mvebu_init_irq(void)
 {
 	irqchip_init();
@@ -135,17 +112,6 @@ static void __init mvebu_init_irq(void)
 	BUG_ON(mvebu_mbus_dt_init(coherency_available()));
 }
 
-static void __init external_abort_quirk(void)
-{
-	u32 dev, rev;
-
-	if (mvebu_get_soc_id(&dev, &rev) == 0 && rev > ARMADA_375_Z1_REV)
-		return;
-
-	hook_fault_code(16 + 6, armada_375_external_abort_wa, SIGBUS, 0,
-			"imprecise external abort");
-}
-
 static void __init i2c_quirk(void)
 {
 	struct device_node *np;
@@ -178,8 +144,6 @@ static void __init mvebu_dt_init(void)
 {
 	if (of_machine_is_compatible("marvell,armadaxp"))
 		i2c_quirk();
-	if (of_machine_is_compatible("marvell,a375-db"))
-		external_abort_quirk();
 
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
-- 
cgit 1.2.3-korg