diff options
| author | Michael Lauer <mickey@vanille-media.de> | 2007-08-23 11:47:15 +0000 |
|---|---|---|
| committer | Michael Lauer <mickey@vanille-media.de> | 2007-08-23 11:47:15 +0000 |
| commit | f1d0d79f48ab191a1ed0b5065e39046e1d95fef4 (patch) | |
| tree | 860036a8554d604726a256d7408c711df834b7cb /packages/linux/linux-2.6.21/bugfix-serial-interrupt.patch | |
| parent | 2534c12ac4c879178132751e51db09c6e4f22cf9 (diff) | |
| parent | 958b8822656bed6e5526f9441fea36570787f9c7 (diff) | |
merge of '88dd6a801655485b76bb6d591c1f763d51ff47b8'
and 'ea2a23cae4f4d939a07f699c39b603c4c2559ad1'
Diffstat (limited to 'packages/linux/linux-2.6.21/bugfix-serial-interrupt.patch')
| -rw-r--r-- | packages/linux/linux-2.6.21/bugfix-serial-interrupt.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.21/bugfix-serial-interrupt.patch b/packages/linux/linux-2.6.21/bugfix-serial-interrupt.patch new file mode 100644 index 0000000000..7f2487ec00 --- /dev/null +++ b/packages/linux/linux-2.6.21/bugfix-serial-interrupt.patch @@ -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; + } + |