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backport r21457

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@23747 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian 2010-10-31 22:17:41 +00:00
parent ac3a2da593
commit 2d8a2d1bfb
1 changed files with 28 additions and 0 deletions
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target/linux/ar7/patches-2.6.32/140-uart_port_ar7.patch Normal file
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@ -0,0 +1,28 @@
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 <florian@openwrt.org>
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -509,7 +509,7 @@ static int __init ar7_register_devices(v
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 @@ static int __init ar7_register_devices(v
/* 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;