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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>
hifive-unleashed-5.1
Dmitry Artamonow 2009-11-27 12:22:32 +01:00 committed by Russell King
parent a53c876dc1
commit 729fae44dd
3 changed files with 22 additions and 6 deletions
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2
arch/arm/mach-sa1100/h3100.c
View File

@ -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__);
}
}

16
arch/arm/mach-sa1100/h3600.c
View File

@ -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);

10
arch/arm/mach-sa1100/h3xxx.c
View File

@ -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__);
}
}
}
/*