ARM: pxa: remove irq_to_gpio from ezx-pcap driver

commit 59ee93a528b94ef4e81a08db252b0326feff171f upstream.

The irq_to_gpio function was removed from the pxa platform
in linux-3.2, and this driver has been broken since.

There is actually no in-tree user of this driver that adds
this platform device, but the driver can and does get enabled
on some platforms.

Without this patch, building ezx_defconfig results in:

drivers/mfd/ezx-pcap.c: In function 'pcap_isr_work':
drivers/mfd/ezx-pcap.c:205:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 43a76c4..db662e2 100644 (file)
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -202,7 +202,7 @@ static void pcap_isr_work(struct work_struct *work)
                }
                local_irq_enable();
                ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr);
-       } while (gpio_get_value(irq_to_gpio(pcap->spi->irq)));
+       } while (gpio_get_value(pdata->gpio));
 }
 
 static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)

diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index 40c3721..32a1b5c 100644 (file)
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -16,6 +16,7 @@ struct pcap_subdev {
 struct pcap_platform_data {
        unsigned int irq_base;
        unsigned int config;
+       int gpio;
        void (*init) (void *);  /* board specific init */
        int num_subdevs;
        struct pcap_subdev *subdevs;