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去除rk2818_serial.c 文件中 gpio_request的warning

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root
2010-08-09 19:29:35 +08:00
parent 52f64a36bf
commit da1c90b626
1 changed files with 42 additions and 39 deletions
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81
drivers/serial/rk2818_serial.c
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@@ -644,47 +644,50 @@ static int __devinit rk2818_serial_probe(struct platform_device *pdev)
//RX/TX<54><58>HIGH
//CTS/RTS<54><53>LOW
//ע<>⣺CTS/RTSΪ<53><CEAA><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>Ӳ<EFBFBD><D3B2><EFBFBD>ϲ<EFBFBD>Ӧ<EFBFBD><D3A6>ǿ<EFBFBD><C7BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
rk2818_mux_api_set(GPIOG1_UART0_MMC1WPT_NAME, IOMUXA_GPIO1_C1 /*IOMUXA_UART0_SOUT*/);
rk2818_mux_api_set(GPIOG0_UART0_MMC1DET_NAME, IOMUXA_GPIO1_C0 /*IOMUXA_UART0_SIN*/);
ret = gpio_request(RK2818_PIN_PG0, NULL);
if(ret != 0)
if(pdev->id)
{
gpio_free(RK2818_PIN_PG0);
rk2818_mux_api_set(GPIOG1_UART0_MMC1WPT_NAME, IOMUXA_GPIO1_C1 /*IOMUXA_UART0_SOUT*/);
rk2818_mux_api_set(GPIOG0_UART0_MMC1DET_NAME, IOMUXA_GPIO1_C0 /*IOMUXA_UART0_SIN*/);
ret = gpio_request(RK2818_PIN_PG0, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PG0);
}
gpio_direction_output(RK2818_PIN_PG0,GPIO_HIGH);
ret = gpio_request(RK2818_PIN_PG1, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PG1);
}
gpio_direction_output(RK2818_PIN_PG1,GPIO_HIGH);
gpio_pull_updown(RK2818_PIN_PG1,GPIOPullUp);
gpio_pull_updown(RK2818_PIN_PG0,GPIOPullUp);
rk2818_mux_api_set(GPIOG1_UART0_MMC1WPT_NAME, IOMUXA_UART0_SOUT);
rk2818_mux_api_set(GPIOG0_UART0_MMC1DET_NAME, IOMUXA_UART0_SIN);
rk2818_mux_api_set(GPIOB2_U0CTSN_SEL_NAME, IOMUXB_GPIO0_B2/*IOMUXB_UART0_CTS_N*/);
rk2818_mux_api_set(GPIOB3_U0RTSN_SEL_NAME, IOMUXB_GPIO0_B3/*IOMUXB_UART0_RTS_N*/);
ret = gpio_request(RK2818_PIN_PB2, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PB2);
}
gpio_direction_input(RK2818_PIN_PB2);
// gpio_direction_output(RK2818_PIN_PB2,GPIO_LOW);
ret = gpio_request(RK2818_PIN_PB3, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PB3);
}
gpio_direction_output(RK2818_PIN_PB3,GPIO_LOW);
}
gpio_direction_output(RK2818_PIN_PG0,GPIO_HIGH);
ret = gpio_request(RK2818_PIN_PG1, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PG1);
}
gpio_direction_output(RK2818_PIN_PG1,GPIO_HIGH);
gpio_pull_updown(RK2818_PIN_PG1,GPIOPullUp);
gpio_pull_updown(RK2818_PIN_PG0,GPIOPullUp);
rk2818_mux_api_set(GPIOG1_UART0_MMC1WPT_NAME, IOMUXA_UART0_SOUT);
rk2818_mux_api_set(GPIOG0_UART0_MMC1DET_NAME, IOMUXA_UART0_SIN);
rk2818_mux_api_set(GPIOB2_U0CTSN_SEL_NAME, IOMUXB_GPIO0_B2/*IOMUXB_UART0_CTS_N*/);
rk2818_mux_api_set(GPIOB3_U0RTSN_SEL_NAME, IOMUXB_GPIO0_B3/*IOMUXB_UART0_RTS_N*/);
ret = gpio_request(RK2818_PIN_PB2, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PB2);
}
gpio_direction_input(RK2818_PIN_PB2);
// gpio_direction_output(RK2818_PIN_PB2,GPIO_LOW);
ret = gpio_request(RK2818_PIN_PB3, NULL);
if(ret != 0)
{
gpio_free(RK2818_PIN_PB3);
}
gpio_direction_output(RK2818_PIN_PB3,GPIO_LOW);
#endif