ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-sa1100/h3100.c

@@ -31,6 +31,8 @@ static void h3100_lcd_power(int enable)
 		gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
 		gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
 		gpio_free(H3XXX_EGPIO_LCD_ON);
+	} else {
+		pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
 	}
 }
 

arch/arm/mach-sa1100/h3600.c

@@ -27,14 +27,22 @@
  */
 static void h3600_lcd_power(int enable)
 {
-	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power"))
+	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) {
+		pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
 		goto err1;
-	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control"))
+	}
+	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) {
+		pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__);
 		goto err2;
-	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v"))
+	}
+	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) {
+		pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__);
 		goto err3;
-	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v"))
+	}
+	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) {
+		pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__);
 		goto err4;
+	}
 
 	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
 	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);

arch/arm/mach-sa1100/h3xxx.c

@@ -83,8 +83,10 @@ static void h3xxx_set_vpp(int vpp)
 static int h3xxx_flash_init(void)
 {
 	int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp");
-	if (err)
+	if (err) {
+		pr_err("%s: can't request H3XXX_EGPIO_VPP_ON\n", __func__);
 		return err;
+	}
 
 	err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0);
 	if (err)
@@ -143,11 +145,15 @@ static u_int h3xxx_uart_get_mctrl(struct uart_port *port)
 
 static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
 {
-	if (port->mapbase == _Ser3UTCR0)
+	if (port->mapbase == _Ser3UTCR0) {
 		if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) {
 			gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state);
 			gpio_free(H3XXX_EGPIO_RS232_ON);
+		} else {
+			pr_err("%s: can't request H3XXX_EGPIO_RS232_ON\n",
+				__func__);
 		}
+	}
 }
 
 /*