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[PARISC] Update parisc specific input code from parisc tree

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Update drivers to new input layer changes.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>

Reorder code in gscps2_interrupt() and only enable ports when opened.
This fixes issues with hangs booting an SMP kernel on my C360.
Previously serio_interrupt() could be called before the lock in
struct serio was initialised.

Signed-off-by: Richard Hirst <rhirst@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Matthew Wilcox
2005-10-21 22:58:51 -04:00
committed by Kyle McMartin
parent ae8c75c1c4
commit 6ab0f5cd36
9 changed files with 1011 additions and 31 deletions
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13
drivers/input/serio/gscps2.c
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@@ -211,9 +211,6 @@ static void gscps2_reset(struct gscps2port *ps2port)
writeb(0xff, addr+GSC_RESET);
gscps2_flush(ps2port);
spin_unlock_irqrestore(&ps2port->lock, flags);
/* enable it */
gscps2_enable(ps2port, ENABLE);
}
static LIST_HEAD(ps2port_list);
@@ -307,6 +304,9 @@ static int gscps2_open(struct serio *port)
gscps2_reset(ps2port);
/* enable it */
gscps2_enable(ps2port, ENABLE);
gscps2_interrupt(0, NULL, NULL);
return 0;
@@ -370,8 +370,6 @@ static int __init gscps2_probe(struct parisc_device *dev)
serio->port_data = ps2port;
serio->dev.parent = &dev->dev;
list_add_tail(&ps2port->node, &ps2port_list);
ret = -EBUSY;
if (request_irq(dev->irq, gscps2_interrupt, SA_SHIRQ, ps2port->port->name, ps2port))
goto fail_miserably;
@@ -396,15 +394,16 @@ static int __init gscps2_probe(struct parisc_device *dev)
serio_register_port(ps2port->port);
list_add_tail(&ps2port->node, &ps2port_list);
return 0;
fail:
free_irq(dev->irq, ps2port);
fail_miserably:
list_del(&ps2port->node);
iounmap(ps2port->addr);
release_mem_region(dev->hpa, GSC_STATUS + 4);
release_mem_region(dev->hpa.start, GSC_STATUS + 4);
fail_nomem:
kfree(ps2port);