diff options
Diffstat (limited to 'drivers/serial/bfin_5xx.c')
| -rw-r--r-- | drivers/serial/bfin_5xx.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 50abb7e557f..96f7e7484fe 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -14,6 +14,8 @@ #include <linux/module.h> #include <linux/ioport.h> +#include <linux/gfp.h> +#include <linux/io.h> #include <linux/init.h> #include <linux/console.h> #include <linux/sysrq.h> @@ -237,7 +239,8 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart) #if defined(CONFIG_KGDB_SERIAL_CONSOLE) || \ defined(CONFIG_KGDB_SERIAL_CONSOLE_MODULE) - if (kgdb_connected && kgdboc_port_line == uart->port.line) + if (kgdb_connected && kgdboc_port_line == uart->port.line + && kgdboc_break_enabled) if (ch == 0x3) {/* Ctrl + C */ kgdb_breakpoint(); return; @@ -488,6 +491,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) { int x_pos, pos; + dma_disable_irq(uart->tx_dma_channel); dma_disable_irq(uart->rx_dma_channel); spin_lock_bh(&uart->port.lock); @@ -521,6 +525,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) } spin_unlock_bh(&uart->port.lock); + dma_enable_irq(uart->tx_dma_channel); dma_enable_irq(uart->rx_dma_channel); mod_timer(&(uart->rx_dma_timer), jiffies + DMA_RX_FLUSH_JIFFIES); @@ -746,15 +751,6 @@ static int bfin_serial_startup(struct uart_port *port) Status interrupt.\n"); } - if (uart->cts_pin >= 0) { - gpio_request(uart->cts_pin, DRIVER_NAME); - gpio_direction_output(uart->cts_pin, 1); - } - if (uart->rts_pin >= 0) { - gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_output(uart->rts_pin, 0); - } - /* CTS RTS PINs are negative assertive. */ UART_PUT_MCR(uart, ACTS); UART_SET_IER(uart, EDSSI); @@ -801,10 +797,6 @@ static void bfin_serial_shutdown(struct uart_port *port) gpio_free(uart->rts_pin); #endif #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - if (uart->cts_pin >= 0) - gpio_free(uart->cts_pin); - if (uart->rts_pin >= 0) - gpio_free(uart->rts_pin); if (UART_GET_IER(uart) && EDSSI) free_irq(uart->status_irq, uart); #endif @@ -1409,8 +1401,7 @@ static int bfin_serial_remove(struct platform_device *dev) continue; uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port); bfin_serial_ports[i].port.dev = NULL; -#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \ - defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS) +#if defined(CONFIG_SERIAL_BFIN_CTSRTS) gpio_free(bfin_serial_ports[i].cts_pin); gpio_free(bfin_serial_ports[i].rts_pin); #endif |