[ARM] pxa: fix mci_init functions returning -1

Fix all those PXA mci_init functions which return -1 rather than
propagating the error code to the higher levels.  Remove the silly
set_irq_type() calls as well - use the flags for request_irq()
instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/cm-x270.c

@@ -487,18 +487,15 @@ static int cmx270_mci_init(struct device *dev,
 
 	/* card detect IRQ on GPIO 83 */
 	pxa_gpio_mode(IRQ_TO_GPIO(CMX270_MMC_IRQ));
-	set_irq_type(CMX270_MMC_IRQ, IRQT_FALLING);
 
 	err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
 			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 			  "MMC card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "cmx270_mci_init: MMC/SD: can't"
 		       " request MMC card detect IRQ\n");
-		return -1;
-	}
 
-	return 0;
+	return err;
 }
 
 static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)

arch/arm/mach-pxa/corgi.c

@@ -419,12 +419,10 @@ static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, vo
 	err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
 			  IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 			  "MMC card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
-		return -1;
-	}
 
-	return 0;
+	return err;
 }
 
 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)

arch/arm/mach-pxa/mainstone.c

@@ -379,12 +379,10 @@ static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_in
 
 	err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
 			     "MMC card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
-		return -1;
-	}
 
-	return 0;
+	return err;
 }
 
 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)

arch/arm/mach-pxa/poodle.c

@@ -215,12 +215,10 @@ static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int,
 	err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
 			  IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 			  "MMC card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
-		return -1;
-	}
 
-	return 0;
+	return err;
 }
 
 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)

arch/arm/mach-pxa/spitz.c

@@ -374,12 +374,10 @@ static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, vo
 	err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 			  IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 			  "MMC card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
-		return -1;
-	}
 
-	return 0;
+	return err;
 }
 
 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)

arch/arm/mach-pxa/tosa.c

@@ -184,16 +184,13 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
 
 	tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 
-	err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED,
+	err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
+			  IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 				"MMC/SD card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
-		return -1;
-	}
-
-	set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
 
-	return 0;
+	return err;
 }
 
 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)

arch/arm/mach-pxa/trizeps4.c

@@ -296,11 +296,10 @@ static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, v
 	err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
 			  IRQF_DISABLED | IRQF_TRIGGER_RISING,
 			  "MMC card detect", data);
-	if (err) {
+	if (err)
 		printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
-		return -1;
-	}
-	return 0;
+
+	return err;
 }
 
 static void trizeps4_mci_exit(struct device *dev, void *data)