From 6f95570e407d03c5140a220e054f9b18abdc7041 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Tue, 7 Apr 2009 16:51:15 +0100 Subject: Change hardware flow control from poll to interrupt driven Only the CTS bit is affected. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- .../mach-bf548/include/mach/bfin_serial_5xx.h | 45 ---------------------- 1 file changed, 45 deletions(-) (limited to 'arch/blackfin/mach-bf548') diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h index c05e79cba257..388e2328aeba 100644 --- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h @@ -181,48 +181,3 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" - -static void bfin_serial_hw_init(struct bfin_serial_port *uart) -{ -#ifdef CONFIG_SERIAL_BFIN_UART0 - peripheral_request(P_UART0_TX, DRIVER_NAME); - peripheral_request(P_UART0_RX, DRIVER_NAME); -#endif - -#ifdef CONFIG_SERIAL_BFIN_UART1 - peripheral_request(P_UART1_TX, DRIVER_NAME); - peripheral_request(P_UART1_RX, DRIVER_NAME); - -#ifdef CONFIG_BFIN_UART1_CTSRTS - peripheral_request(P_UART1_RTS, DRIVER_NAME); - peripheral_request(P_UART1_CTS, DRIVER_NAME); -#endif -#endif - -#ifdef CONFIG_SERIAL_BFIN_UART2 - peripheral_request(P_UART2_TX, DRIVER_NAME); - peripheral_request(P_UART2_RX, DRIVER_NAME); -#endif - -#ifdef CONFIG_SERIAL_BFIN_UART3 - peripheral_request(P_UART3_TX, DRIVER_NAME); - peripheral_request(P_UART3_RX, DRIVER_NAME); - -#ifdef CONFIG_BFIN_UART3_CTSRTS - peripheral_request(P_UART3_RTS, DRIVER_NAME); - peripheral_request(P_UART3_CTS, DRIVER_NAME); -#endif -#endif - SSYNC(); -#ifdef CONFIG_SERIAL_BFIN_CTSRTS - if (uart->cts_pin >= 0) { - gpio_request(uart->cts_pin, DRIVER_NAME); - gpio_direction_input(uart->cts_pin); - } - - if (uart->rts_pin >= 0) { - gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_output(uart->rts_pin, 0); - } -#endif -} -- cgit v1.2.1