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authorArnd Bergmann <arnd@arndb.de>2013-06-20 02:06:36 +0200
committerArnd Bergmann <arnd@arndb.de>2013-06-20 02:06:36 +0200
commitd5a51af940efec07c969bdb5fe478bb518116404 (patch)
tree26291e51122081d929e3cac3d441ee5efbfa75d6 /arch/s390/kernel
parenta44bde66bec168889c95bd1d0d15834b02387901 (diff)
parentd75f3d92e86e65b3cb9725e65f7278cc303511db (diff)
downloadlinux-d5a51af940efec07c969bdb5fe478bb518116404.tar.gz
linux-d5a51af940efec07c969bdb5fe478bb518116404.zip
Merge tag 'mxs-dt-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
From Shawn Guo: mxs device tree changes for 3.11: * A couple of new board support, cfa10055 and cfa10057 * A few updates on cfa10036 device tree source * Some auart pinctrl data addition * Adopt soc bus infrastructure for mach-mxs * tag 'mxs-dt-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: mxs: dt: Add Crystalfontz CFA-10057 device tree ARM: mxs: dt: Add the Crystalfontz CFA-10055 device tree ARM: cfa10049: Switch the chip select pin of the LCD controller ARM: cfa10036: Add USB0 OTG port ARM: dts: apf28dev: Add touchscreen support for APF28dev ARM: mxs: Fix UARTs on M28EVK ARM: cfa10036: dt: Change i2c0 clock frequency ARM: dts: cfa10036: Change the OLED display to SSD1306 ARM: mx28: add auart4 2 pins pinmux to imx28.dtsi ARM: mx28: add auart3 2 pins pinmux to imx28.dtsi ARM: mx28: add auart2 2 pins pinmux to imx28.dtsi ARM: mxs: Use soc bus infrastructure ARM: dts: mx28: Adjust the digctl compatible string ARM: mxs: Remove init_irq declaration in machine description Includes an update to 3.10-rc6 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/dumpstack.c12
-rw-r--r--arch/s390/kernel/irq.c64
-rw-r--r--arch/s390/kernel/sclp.S2
3 files changed, 73 insertions, 5 deletions
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index 298297477257..87acc38f73c6 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -74,6 +74,8 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
static void show_trace(struct task_struct *task, unsigned long *stack)
{
+ const unsigned long frame_size =
+ STACK_FRAME_OVERHEAD + sizeof(struct pt_regs);
register unsigned long __r15 asm ("15");
unsigned long sp;
@@ -82,11 +84,13 @@ static void show_trace(struct task_struct *task, unsigned long *stack)
sp = task ? task->thread.ksp : __r15;
printk("Call Trace:\n");
#ifdef CONFIG_CHECK_STACK
- sp = __show_trace(sp, S390_lowcore.panic_stack - 4096,
- S390_lowcore.panic_stack);
+ sp = __show_trace(sp,
+ S390_lowcore.panic_stack + frame_size - 4096,
+ S390_lowcore.panic_stack + frame_size);
#endif
- sp = __show_trace(sp, S390_lowcore.async_stack - ASYNC_SIZE,
- S390_lowcore.async_stack);
+ sp = __show_trace(sp,
+ S390_lowcore.async_stack + frame_size - ASYNC_SIZE,
+ S390_lowcore.async_stack + frame_size);
if (task)
__show_trace(sp, (unsigned long) task_stack_page(task),
(unsigned long) task_stack_page(task) + THREAD_SIZE);
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index f7fb58903f6a..408e866ae548 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -311,3 +311,67 @@ void measurement_alert_subclass_unregister(void)
spin_unlock(&ma_subclass_lock);
}
EXPORT_SYMBOL(measurement_alert_subclass_unregister);
+
+void synchronize_irq(unsigned int irq)
+{
+ /*
+ * Not needed, the handler is protected by a lock and IRQs that occur
+ * after the handler is deleted are just NOPs.
+ */
+}
+EXPORT_SYMBOL_GPL(synchronize_irq);
+
+#ifndef CONFIG_PCI
+
+/* Only PCI devices have dynamically-defined IRQ handlers */
+
+int request_irq(unsigned int irq, irq_handler_t handler,
+ unsigned long irqflags, const char *devname, void *dev_id)
+{
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(request_irq);
+
+void free_irq(unsigned int irq, void *dev_id)
+{
+ WARN_ON(1);
+}
+EXPORT_SYMBOL_GPL(free_irq);
+
+void enable_irq(unsigned int irq)
+{
+ WARN_ON(1);
+}
+EXPORT_SYMBOL_GPL(enable_irq);
+
+void disable_irq(unsigned int irq)
+{
+ WARN_ON(1);
+}
+EXPORT_SYMBOL_GPL(disable_irq);
+
+#endif /* !CONFIG_PCI */
+
+void disable_irq_nosync(unsigned int irq)
+{
+ disable_irq(irq);
+}
+EXPORT_SYMBOL_GPL(disable_irq_nosync);
+
+unsigned long probe_irq_on(void)
+{
+ return 0;
+}
+EXPORT_SYMBOL_GPL(probe_irq_on);
+
+int probe_irq_off(unsigned long val)
+{
+ return 0;
+}
+EXPORT_SYMBOL_GPL(probe_irq_off);
+
+unsigned int probe_irq_mask(unsigned long val)
+{
+ return val;
+}
+EXPORT_SYMBOL_GPL(probe_irq_mask);
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index b6506ee32a36..29bd7bec4176 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -225,7 +225,7 @@ _sclp_print:
ahi %r2,1
ltr %r0,%r0 # end of string?
jz .LfinalizemtoS4
- chi %r0,0x15 # end of line (NL)?
+ chi %r0,0x0a # end of line (NL)?
jz .LfinalizemtoS4
stc %r0,0(%r6,%r7) # copy to mto
la %r11,0(%r6,%r7)