[PATCH] gpio: Fix Langwell gpio driver build error

[Alek Du]

Need to include <linux/irq.h> directly ...

Signed-off-by: Alek Du <alek.du@xxxxxxxxx>
---
 drivers/gpio/langwell_gpio.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c
index e100583..10a1172 100644
--- a/drivers/gpio/langwell_gpio.c
+++ b/drivers/gpio/langwell_gpio.c
@@ -27,6 +27,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/irq.h>
 #include <linux/gpio.h>
 
 struct lnw_gpio_register {
-- 
1.6.0.4


On Fri, 18 Sep 2009 07:36:44 +0800
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Fri, 3 Jul 2009 21:07:06 +0800
> Alek Du <alek.du@xxxxxxxxx> wrote:
> 
> > Changes from v2:
> > 1. Add missed MODULE_DEVICE_TABLE
> > 
> > Changes from v1:
> > 1. driver name changed from lnw.c ==> langwell_gpio.c
> > 2. removed hard coded driver data, now we get it from PCI bar1 (platform init code fills it)
> > 3. removed alternative function setting code, it should be called in platform init part.
> > 4. misc. style clean
> > 
> > 
> > >From 8eaad3aac8cffda193adcfc4b9fcbb7c461fd4b9 Mon Sep 17 00:00:00 2001
> > From: Alek Du <alek.du@xxxxxxxxx>
> > Date: Tue, 30 Jun 2009 12:13:27 +0800
> > Subject: [PATCH] gpio: add Intel Moorestown Platform Langwell chip gpio driver
> > 
> > The Langwell chip is the IO hub for Intel Moorestown platform which has a
> > 64-pin gpio block device inside. It is exposed as a dedicated PCI device.
> > We use it to control outside peripheral as well as to do IRQ demuxing. The
> > gpio block uses MSI to send level type interrupt to IOAPIC.
> 
> sparc64 allmodconfig:
> 
> drivers/gpio/langwell_gpio.c: In function `lnw_irq_type':
> drivers/gpio/langwell_gpio.c:117: error: implicit declaration of function `get_irq_chip_data'
> drivers/gpio/langwell_gpio.c:117: warning: initialization makes pointer from integer without a cast
> drivers/gpio/langwell_gpio.c:128: error: `IRQ_TYPE_EDGE_RISING' undeclared (first use in this function)
> drivers/gpio/langwell_gpio.c:128: error: (Each undeclared identifier is reported only once
> drivers/gpio/langwell_gpio.c:128: error: for each function it appears in.)
> drivers/gpio/langwell_gpio.c:134: error: `IRQ_TYPE_EDGE_FALLING' undeclared (first use in this function)
> drivers/gpio/langwell_gpio.c: In function `lnw_irq_unmask':
> drivers/gpio/langwell_gpio.c:146: warning: initialization makes pointer from integer without a cast
> drivers/gpio/langwell_gpio.c: At top level:
> drivers/gpio/langwell_gpio.c:159: error: variable `lnw_irqchip' has initializer but incomplete type
> drivers/gpio/langwell_gpio.c:160: error: unknown field `name' specified in initializer
> drivers/gpio/langwell_gpio.c:160: warning: excess elements in struct initializer
> drivers/gpio/langwell_gpio.c:160: warning: (near initialization for `lnw_irqchip')
> drivers/gpio/langwell_gpio.c:161: error: unknown field `mask' specified in initializer
> drivers/gpio/langwell_gpio.c:161: warning: excess elements in struct initializer
> drivers/gpio/langwell_gpio.c:161: warning: (near initialization for `lnw_irqchip')
> drivers/gpio/langwell_gpio.c:162: error: unknown field `unmask' specified in initializer
> drivers/gpio/langwell_gpio.c:162: warning: excess elements in struct initializer
> drivers/gpio/langwell_gpio.c:162: warning: (near initialization for `lnw_irqchip')
> drivers/gpio/langwell_gpio.c:163: error: unknown field `set_type' specified in initializer
> drivers/gpio/langwell_gpio.c:163: warning: excess elements in struct initializer
> drivers/gpio/langwell_gpio.c:163: warning: (near initialization for `lnw_irqchip')
> drivers/gpio/langwell_gpio.c: In function `lnw_irq_handler':
> drivers/gpio/langwell_gpio.c:174: error: implicit declaration of function `get_irq_data'
> drivers/gpio/langwell_gpio.c:174: warning: cast to pointer from integer of different size
> drivers/gpio/langwell_gpio.c:189: error: implicit declaration of function `generic_handle_irq'
> drivers/gpio/langwell_gpio.c:195: error: dereferencing pointer to incomplete type
> drivers/gpio/langwell_gpio.c: In function `lnw_gpio_probe':
> drivers/gpio/langwell_gpio.c:263: error: implicit declaration of function `set_irq_data'
> drivers/gpio/langwell_gpio.c:264: error: implicit declaration of function `set_irq_chained_handler'
> drivers/gpio/langwell_gpio.c:266: error: implicit declaration of function `set_irq_chip_and_handler_name'
> drivers/gpio/langwell_gpio.c:267: error: `handle_simple_irq' undeclared (first use in this function)
> drivers/gpio/langwell_gpio.c:268: error: implicit declaration of function `set_irq_chip_data'
> drivers/gpio/langwell_gpio.c: At top level:
> drivers/gpio/langwell_gpio.c:159: error: storage size of `lnw_irqchip' isn't known
> 
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