Re: PCMCIA IDE_CS in 2.4.7

Alan Cox
2001-08-02T14:18:00Z

> When I insert the card, I get a beep from the cardmgr program seeing the
> card being inserted. Then the whole system refuses to respond to anything
> on the keyboard. (I have not tested if the system is reachable by network
> when that happens.)

Gunther posted this patch ages ago which seems to solve the problem

--- linux245.orig/drivers/ide/ide-cs.c Fri Feb 9 20:40:02 2001
+++ linux/drivers/ide/ide-cs.c Tue Jun 26 21:22:19 2001
@@ -324,6 +324,9 @@
if (link->io.NumPorts2)
release_region(link->io.BasePort2, link->io.NumPorts2);

+ outb(0x02, ctl_base); // Set nIEN = disable device interrupts
+ // else it hangs on PCI-Cardbus add-in cards,
wedging irq
+
/* retry registration in case device is still spinning up */
for (i = 0; i < 10; i++) {
hd = ide_register(io_base, ctl_base, link->irq.AssignedIRQ);
--- linux245.orig/drivers/ide/ide-probe.c Sun Mar 18 18:25:02 2001
+++ linux/drivers/ide/ide-probe.c Tue Jun 26 21:25:07 2001
@@ -685,6 +685,8 @@
#else /* !CONFIG_IDEPCI_SHARE_IRQ */
int sa = (hwif->chipset == ide_pci) ? SA_INTERRUPT|SA_SHIRQ
: SA_INTERRUPT;
#endif /* CONFIG_IDEPCI_SHARE_IRQ */
+
+ outb(0x00, hwif->io_ports[IDE_CONTROL_OFFSET]); // clear
nIEN == enable irqs
if (ide_request_irq(hwif->irq, &ide_intr, sa, hwif->name,
hwgroup)) {
if (!match)
kfree(hwgroup);