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>

3 files changed, 22 insertions, 6 deletions

diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c
index 793e68c29948..0c7cea0dc013 100644
--- a/arch/arm/mach-sa1100/h3100.c
+++ b/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__);
         }
 }
 
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index 47587cce0000..af3b71459f8d 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/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);
diff --git a/arch/arm/mach-sa1100/h3xxx.c b/arch/arm/mach-sa1100/h3xxx.c
index a7a1982d8411..b0784c974c2d 100644
--- a/arch/arm/mach-sa1100/h3xxx.c
+++ b/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__);
                 }
+        }
 }
 
 /*