openwrtv4/target/linux/ar7/patches-2.6.24/500-serial_kludge.patch

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Index: linux-2.6.24/drivers/serial/8250.c
2007-12-30 15:17:10 +00:00
===================================================================
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--- linux-2.6.24/drivers/serial/8250.c 2007-09-21 16:23:51.000000000 +0800
+++ linux-2.6.24/drivers/serial/8250.c 2007-09-21 16:24:14.000000000 +0800
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@@ -267,6 +267,13 @@
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.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,
+ },
};
#if defined (CONFIG_SERIAL_8250_AU1X00)
@@ -2453,7 +2460,11 @@
{
struct uart_8250_port *up = (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);
}
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Index: linux-2.6.24/include/linux/serial_core.h
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===================================================================
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--- linux-2.6.24/include/linux/serial_core.h 2007-09-21 16:23:51.000000000 +0800
+++ linux-2.6.24/include/linux/serial_core.h 2007-09-21 16:24:14.000000000 +0800
@@ -40,7 +40,8 @@
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#define PORT_NS16550A 14
#define PORT_XSCALE 15
#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
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-#define PORT_MAX_8250 16 /* max port ID */
+#define PORT_AR7 17
+#define PORT_MAX_8250 17 /* max port ID */
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/*
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* ARM specific type numbers. These are not currently guaranteed