Merge tag 'fixes-3.10-3' of git://git.infradead.org/users/jcooper/lin…

…ux into fixes

From Jason Cooper, mvebu fixes for v3.10 round 3:
 - mvebu
    - fix bug in coherency fabric low level init
 - kirkwood
    - fix crash from pcie double init

Signed-off-by: Olof Johansson <olof@lixom.net>

* tag 'fixes-3.10-3' of git://git.infradead.org/users/jcooper/linux:
  ARM: mvebu: Fix bug in coherency fabric low level init function
  ARM: Kirkwood: TS219: Fix crash by double PCIe instantiation

arch/arm/mach-kirkwood/board-ts219.c

@@ -41,13 +41,3 @@ void __init qnap_dt_ts219_init(void)
 
 	pm_power_off = qnap_tsx1x_power_off;
 }
-
-/* FIXME: Will not work with DT. Maybe use MPP40_GPIO? */
-static int __init ts219_pci_init(void)
-{
-	if (machine_is_ts219())
-		kirkwood_pcie_init(KW_PCIE0);
-
-	return 0;
-}
-subsys_initcall(ts219_pci_init);

arch/arm/mach-mvebu/coherency_ll.S

@@ -32,15 +32,21 @@ ENTRY(ll_set_cpu_coherent)
 
 	/* Add CPU to SMP group - Atomic */
 	add	r3, r0, #ARMADA_XP_CFB_CTL_REG_OFFSET
-	ldr	r2, [r3]
+1:
+	ldrex	r2, [r3]
 	orr	r2, r2, r1
-	str	r2, [r3]
+	strex 	r0, r2, [r3]
+	cmp	r0, #0
+	bne 1b
 
 	/* Enable coherency on CPU - Atomic */
-	add	r3, r0, #ARMADA_XP_CFB_CFG_REG_OFFSET
-	ldr	r2, [r3]
+	add	r3, r3, #ARMADA_XP_CFB_CFG_REG_OFFSET
+1:
+	ldrex	r2, [r3]
 	orr	r2, r2, r1
-	str	r2, [r3]
+	strex	r0, r2, [r3]
+	cmp	r0, #0
+	bne 1b
 
 	dsb