linux/debian/patches-debian/powerpc-serial.patch

49 lines
1.4 KiB
Diff

#! /bin/sh -e
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Description: Disables legacy serial driver on powermacs.
## DP: Patch author: Sven Luther <luther@debian.org>
## DP: Patch author: adapted from the SuSE kernel tree.
## DP: Upstream status: workaround hack waiting for a clean legacy device solution.
diff -aurN a/drivers/serial/8250.c b/drivers/serial/8250.c
--- a/drivers/serial/8250.c 2005-06-17 15:48:29.000000000 -0400
+++ b/drivers/serial/8250.c 2005-06-18 12:05:39.000000000 -0400
@@ -46,6 +46,10 @@
#include "8250.h"
+#ifdef CONFIG_PPC_MULTIPLATFORM
+#include <asm/processor.h>
+#endif
+
/*
* Configuration:
* share_irqs - whether we pass SA_SHIRQ to request_irq(). This option
@@ -2188,6 +2192,12 @@
static int __init serial8250_console_init(void)
{
+#ifdef CONFIG_PPC_MULTIPLATFORM
+ if(_machine == _MACH_Pmac) {
+ printk("%s: nothing to do on PowerMac\n",__FUNCTION__);
+ return -ENODEV;
+ }
+#endif
serial8250_isa_init_ports();
register_console(&serial8250_console);
return 0;
@@ -2491,6 +2501,12 @@
{
int ret, i;
+#ifdef CONFIG_PPC_MULTIPLATFORM
+ if(_machine == _MACH_Pmac) {
+ printk("%s: nothing to do on PowerMac\n",__FUNCTION__);
+ return -ENODEV;
+ }
+#endif
printk(KERN_INFO "Serial: 8250/16550 driver $Revision: 1.90 $ "
"%d ports, IRQ sharing %sabled\n", (int) UART_NR,
share_irqs ? "en" : "dis");