ar7: add linux 4.1 support

[openwrt/svn-archive/archive.git] / target / linux / ar7 / patches-4.1 / 500-serial_kludge.patch

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 (file)
index 0000000..4baf4aa
--- /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
+@@ -339,6 +339,13 @@ configured less than Maximum supported f
+                                 UART_FCR7_64BYTE,
+               .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 */
+@@ -3340,7 +3347,11 @@ 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);
+ }
+