diff options
Diffstat (limited to 'target/linux/ar7/patches-4.1/500-serial_kludge.patch')
| -rw-r--r-- | target/linux/ar7/patches-4.1/500-serial_kludge.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-4.1/500-serial_kludge.patch b/target/linux/ar7/patches-4.1/500-serial_kludge.patch new file mode 100644 index 0000000..2321449 --- /dev/null +++ b/target/linux/ar7/patches-4.1/500-serial_kludge.patch @@ -0,0 +1,28 @@ +--- a/drivers/tty/serial/8250/8250_core.c ++++ b/drivers/tty/serial/8250/8250_core.c +@@ -347,6 +347,13 @@ configured less than Maximum supported f + .rxtrig_bytes = {1, 4, 8, 14}, + .flags = UART_CAP_FIFO, + }, ++ [PORT_AR7] = { ++ .name = "TI-AR7", ++ .fifo_size = 16, ++ .tx_loadsz = 16, ++ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, ++ .flags = UART_CAP_FIFO | UART_CAP_AFE, ++ }, + }; + + /* Uart divisor latch read */ +@@ -3348,7 +3355,11 @@ static void serial8250_console_putchar(s + { + struct uart_8250_port *up = up_to_u8250p(port); + ++#ifdef CONFIG_AR7 ++ wait_for_xmitr(up, BOTH_EMPTY); ++#else + wait_for_xmitr(up, UART_LSR_THRE); ++#endif + serial_port_out(port, UART_TX, ch); + } + |