From 71a7d1556264c1ad84b1bcf5f7a9cbc980b1e1fd Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Wed, 25 Jun 2008 12:02:07 +0800
Subject: Blackfin arch: fix bug - kernel boot fails when Spinlock and rw-lock
 debugging enabled

Initialize the lock of bad_irq_desc properly.
The content of irq_desc array is replaced by bad_irq_desc in blackfin
arch irqchip init code. So, do it properly as common irq init code.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index 73647c1..07402f5 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -60,9 +60,14 @@ static struct irq_chip bad_chip = {
 };
 
 static struct irq_desc bad_irq_desc = {
+	.status = IRQ_DISABLED,
 	.chip = &bad_chip,
 	.handle_irq = handle_bad_irq,
 	.depth = 1,
+	.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
+#ifdef CONFIG_SMP
+	.affinity = CPU_MASK_ALL
+#endif
 };
 
 int show_interrupts(struct seq_file *p, void *v)
-- 
cgit v0.10.2


From 8d0a60032ffd472f0f7821ff388e9f438c06077a Mon Sep 17 00:00:00 2001
From: Bryan Wu <cooloney@kernel.org>
Date: Wed, 25 Jun 2008 12:41:51 +0800
Subject: Blackfin arch: fix up section mismatch warning

--
WARNING: vmlinux.o(.text+0x721a): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x7238): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x7250): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x7264): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x72a2): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x72bc): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x72d4): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.

WARNING: vmlinux.o(.text+0x72e8): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
--

Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 917325b..6be0c50 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -254,7 +254,8 @@ close_cplbtab(struct cplb_tab *table)
 }
 
 /* helper function */
-static void __fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
+static void __init
+__fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
 {
 	if (cplb_data[i].psize) {
 		fill_cplbtab(t,
@@ -291,7 +292,8 @@ static void __fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_en
 	}
 }
 
-static void __fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
+static void __init
+__fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
 {
 	if (cplb_data[i].psize) {
 		fill_cplbtab(t,
-- 
cgit v0.10.2