diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/tegra_hsuart.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/tegra_hsuart.c b/drivers/tty/serial/tegra_hsuart.c index acded86ee36f..d2976c02f2d8 100644 --- a/drivers/tty/serial/tegra_hsuart.c +++ b/drivers/tty/serial/tegra_hsuart.c @@ -363,7 +363,10 @@ static void wait_sym_time(struct tegra_uart_port *t, unsigned int syms) static void tegra_fifo_reset(struct tegra_uart_port *t, u8 fcr_bits) { unsigned char fcr = t->fcr_shadow; -#ifdef CONFIG_ARCH_TEGRA_3x_SOC +#ifdef CONFIG_ARCH_TEGRA_2x_SOC + fcr |= fcr_bits & (UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); + uart_writeb(t, fcr, UART_FCR); +#else /*Hw issue: Resetting tx fifo with non-fifo mode to avoid any extra character to be sent*/ fcr &= ~UART_FCR_ENABLE_FIFO; @@ -373,9 +376,6 @@ static void tegra_fifo_reset(struct tegra_uart_port *t, u8 fcr_bits) uart_writeb(t, fcr, UART_FCR); fcr |= UART_FCR_ENABLE_FIFO; uart_writeb(t, fcr, UART_FCR); -#else - fcr |= fcr_bits & (UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); - uart_writeb(t, fcr, UART_FCR); #endif uart_readb(t, UART_SCR); /* Dummy read to ensure the write is posted */ wait_sym_time(t, 1); /* Wait for the flush to propagate. */ |