linux-kernel - [ 73/82] ARM: pxa: remove irq_to

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Message-Id: <20120813201752.845650717@linuxfoundation.org>
Date:	Mon, 13 Aug 2012 13:19:49 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Arnd Bergmann <arnd@...db.de>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Daniel Ribeiro <drwyrm@...il.com>
Subject: [ 73/82] ARM: pxa: remove irq_to_gpio from ezx-pcap driver

From: Greg KH <gregkh@...uxfoundation.org>

3.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.de>

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@...db.de>
Acked-by: Haojian Zhuang <haojian.zhuang@...il.com>
Cc: Samuel Ortiz <sameo@...ux.intel.com>
Cc: Daniel Ribeiro <drwyrm@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mfd/ezx-pcap.c       |    2 +-
 include/linux/mfd/ezx-pcap.h |    1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -202,7 +202,7 @@ static void pcap_isr_work(struct work_st
 		}
 		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)
--- 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;


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