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Diffstat (limited to 'target/linux/ar7/patches-3.3/500-serial_kludge.patch')
-rw-r--r--target/linux/ar7/patches-3.3/500-serial_kludge.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-3.3/500-serial_kludge.patch b/target/linux/ar7/patches-3.3/500-serial_kludge.patch
new file mode 100644
index 0000000000..5c19cf22b6
--- /dev/null
+++ b/target/linux/ar7/patches-3.3/500-serial_kludge.patch
@@ -0,0 +1,28 @@
+--- a/drivers/tty/serial/8250/8250.c
++++ b/drivers/tty/serial/8250/8250.c
+@@ -290,6 +290,13 @@ static const struct serial8250_config ua
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .flags = UART_CAP_FIFO | UART_CAP_AFE | UART_CAP_EFR,
+ },
++ [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,
++ },
+ };
+
+ #if defined(CONFIG_MIPS_ALCHEMY)
+@@ -2798,7 +2805,11 @@ static void serial8250_console_putchar(s
+ struct uart_8250_port *up =
+ container_of(port, struct uart_8250_port, port);
+
++#ifdef CONFIG_AR7
++ wait_for_xmitr(up, BOTH_EMPTY);
++#else
+ wait_for_xmitr(up, UART_LSR_THRE);
++#endif
+ serial_out(up, UART_TX, ch);
+ }
+