From bdf2a0310735770f0b8bff733841621bc3c07088 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 15 May 2010 19:15:03 +0000 Subject: [PATCH] use correct port type, which sets the correct receive fifo trigger options (#7095) SVN-Revision: 21457 --- .../patches-2.6.32/140-uart_port_ar7.patch | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/ar7/patches-2.6.32/140-uart_port_ar7.patch diff --git a/target/linux/ar7/patches-2.6.32/140-uart_port_ar7.patch b/target/linux/ar7/patches-2.6.32/140-uart_port_ar7.patch new file mode 100644 index 0000000000..12c9483d75 --- /dev/null +++ b/target/linux/ar7/patches-2.6.32/140-uart_port_ar7.patch @@ -0,0 +1,30 @@ + AR7: use correct UART port type + + PORT_AR7 has the correct TRIG flag (UART_FCR_R_TRIG_00) as well as UART_CAP_AFE + being set. This fixes kernel console on TNETD7300 revision 0x02 and has no side + effects on other revisions of the chip. + + Signed-off-by: Florian Fainelli + +Index: linux-2.6.32.12/arch/mips/ar7/platform.c +=================================================================== +--- linux-2.6.32.12.orig/arch/mips/ar7/platform.c 2010-05-15 18:01:11.000000000 +0200 ++++ linux-2.6.32.12/arch/mips/ar7/platform.c 2010-05-15 18:02:44.000000000 +0200 +@@ -509,7 +509,7 @@ + + memset(uart_port, 0, sizeof(struct uart_port) * 2); + +- uart_port[0].type = PORT_16550A; ++ uart_port[0].type = PORT_AR7; + uart_port[0].line = 0; + uart_port[0].irq = AR7_IRQ_UART0; + uart_port[0].uartclk = ar7_bus_freq() / 2; +@@ -524,7 +524,7 @@ + + /* Only TNETD73xx have a second serial port */ + if (ar7_has_second_uart()) { +- uart_port[1].type = PORT_16550A; ++ uart_port[1].type = PORT_AR7; + uart_port[1].line = 1; + uart_port[1].irq = AR7_IRQ_UART1; + uart_port[1].uartclk = ar7_bus_freq() / 2; -- 2.34.1