pcmcia: pxa: replace IRQ_GPIO() with gpio_to_irq()

Since commit 6384fd "ARM: pxa: rename IRQ_GPIO to PXA_GPIO_TO_IRQ",
I got buid errors due to implicit declaration of function 'IRQ_GPIO'.

Use common gpio_to_irq() to replace machine dependant macro IRQ_GPIO().

Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Ian Molton <spyro@f2s.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Zhuang <haojian.zhuang@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/pcmcia/pxa2xx_e740.c b/drivers/pcmcia/pxa2xx_e740.c
index 8bfbd4d..17cd2ce 100644
--- a/drivers/pcmcia/pxa2xx_e740.c
+++ b/drivers/pcmcia/pxa2xx_e740.c
@@ -26,20 +26,23 @@
 static struct pcmcia_irqs cd_irqs[] = {
 	{
 		.sock = 0,
-		.irq  = IRQ_GPIO(GPIO_E740_PCMCIA_CD0),
 		.str  = "CF card detect"
 	},
 	{
 		.sock = 1,
-		.irq  = IRQ_GPIO(GPIO_E740_PCMCIA_CD1),
 		.str  = "Wifi switch"
 	},
 };
 
 static int e740_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
-	skt->socket.pci_irq = skt->nr == 0 ? IRQ_GPIO(GPIO_E740_PCMCIA_RDY0) :
-				IRQ_GPIO(GPIO_E740_PCMCIA_RDY1);
+	if (skt->nr == 0)
+		skt->socket.pci_irq = gpio_to_irq(GPIO_E740_PCMCIA_RDY0);
+	else
+		skt->socket.pci_irq = gpio_to_irq(GPIO_E740_PCMCIA_RDY1);
+
+	cd_irqs[0].irq = gpio_to_irq(GPIO_E740_PCMCIA_CD0);
+	cd_irqs[1].irq = gpio_to_irq(GPIO_E740_PCMCIA_CD1);
 
 	return soc_pcmcia_request_irqs(skt, &cd_irqs[skt->nr], 1);
 }