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incomplete Gumstix support

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10955 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz
2008-04-27 16:56:19 +00:00
parent 1984be2194
commit c886d2690d
47 changed files with 19222 additions and 364 deletions
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25
target/linux/pxa/patches-2.6.21/023-bugfix-serial-interrupt.patch Normal file
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@@ -0,0 +1,25 @@
Index: linux-2.6.21gum/drivers/serial/pxa.c
===================================================================
--- linux-2.6.21gum.orig/drivers/serial/pxa.c
+++ linux-2.6.21gum/drivers/serial/pxa.c
@@ -235,15 +235,19 @@ static inline irqreturn_t serial_pxa_irq
struct uart_pxa_port *up = dev_id;
unsigned int iir, lsr;
+ serial_out(up, UART_MCR, serial_in(up, UART_MCR) & ~UART_MCR_RTS); // Clear RTS
iir = serial_in(up, UART_IIR);
if (iir & UART_IIR_NO_INT)
- return IRQ_NONE;
+ {
+ //printk(KERN_WARNING "serial_pxa_irq: odd -- interrupt triggered, but no interrupt in IIR: %08x\n",iir);
+ }
lsr = serial_in(up, UART_LSR);
if (lsr & UART_LSR_DR)
receive_chars(up, &lsr);
check_modem_status(up);
if (lsr & UART_LSR_THRE)
transmit_chars(up);
+ serial_out(up, UART_MCR, serial_in(up, UART_MCR) | UART_MCR_RTS); // Assert RTS
return IRQ_HANDLED;
}