diff options
| author | Marcin Juszkiewicz <hrw@openembedded.org> | 2006-04-28 19:06:59 +0000 |
|---|---|---|
| committer | OpenEmbedded Project <openembedded-devel@lists.openembedded.org> | 2006-04-28 19:06:59 +0000 |
| commit | 989a3c578011cad60fc167cdb1b9a0e603f43072 (patch) | |
| tree | aef515b13e77cda22b30d75295f3aaef16d6c470 /packages/linux/linux-gumstix-2.6.15/bugfix-serial-interrupt.patch | |
| parent | d775757b77aba05c2766546682db2915b5cc12e1 (diff) | |
* add initial support for gumstix (xscale pxa255) platform (gumstix.com)
* add GMUstix distro for gumstix (GMU = George Mason University)
* add linux-gumstix-2.6.15 with gumstix patchset
* close bug #861
Diffstat (limited to 'packages/linux/linux-gumstix-2.6.15/bugfix-serial-interrupt.patch')
| -rw-r--r-- | packages/linux/linux-gumstix-2.6.15/bugfix-serial-interrupt.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/packages/linux/linux-gumstix-2.6.15/bugfix-serial-interrupt.patch b/packages/linux/linux-gumstix-2.6.15/bugfix-serial-interrupt.patch new file mode 100644 index 0000000000..df4a46e030 --- /dev/null +++ b/packages/linux/linux-gumstix-2.6.15/bugfix-serial-interrupt.patch @@ -0,0 +1,25 @@ +Index: linux-2.6.15gum/drivers/serial/pxa.c +=================================================================== +--- linux-2.6.15gum.orig/drivers/serial/pxa.c ++++ linux-2.6.15gum/drivers/serial/pxa.c +@@ -246,15 +246,19 @@ serial_pxa_irq(int irq, void *dev_id, st + struct uart_pxa_port *up = (struct uart_pxa_port *)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, regs); + 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; + } + |