On Tuesday, November 26, 2013 4:42 PM, H Hartley Sweeten wrote:
> Tidy up the code that does the request_irq().
>
> Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
> Cc: Ian Abbott <abbo...@mev.co.uk>
> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> ---
> drivers/staging/comedi/drivers/pcl816.c | 33
> ++++++---------------------------
> 1 file changed, 6 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/pcl816.c
> b/drivers/staging/comedi/drivers/pcl816.c
> index 149a28b..ad75bb6 100644
> --- a/drivers/staging/comedi/drivers/pcl816.c
> +++ b/drivers/staging/comedi/drivers/pcl816.c
> @@ -872,36 +872,15 @@ static int pcl816_attach(struct comedi_device *dev,
> struct comedi_devconfig *it)
> if (!devpriv)
> return -ENOMEM;
>
> - /* grab our IRQ */
> - irq = 0;
> - if (board->IRQbits != 0) { /* board support IRQ */
> - irq = it->options[1];
> - if (irq) { /* we want to use IRQ */
> - if (((1 << irq) & board->IRQbits) == 0) {
> - printk
> - (", IRQ %u is out of allowed range, "
> - "DISABLING IT", irq);
> - irq = 0; /* Bad IRQ */
> - } else {
> - if (request_irq(irq, interrupt_pcl816, 0,
> - dev->board_name, dev)) {
> - printk
> - (", unable to allocate IRQ %u, "
> - "DISABLING IT", irq);
> - irq = 0; /* Can't use IRQ */
> - } else {
> - printk(KERN_INFO ", irq=%u", irq);
> - }
> - }
> + if ((1 << it->options[1]) & board->IRQbits) {
> + ret = request_irq(board->IRQbits, interrupt_pcl816, 0,
> + dev->board_name, dev);
> + if (ret == 0) {
> + dev->irq = irq;
I just noticed a bug in this patch. The code above should be:
+ ret = request_irq(it->options[1], interrupt_pcl816, 0,
+ dev->board_name, dev);
+ if (ret == 0) {
+ dev->irq = it->options[1];
And the local variable 'irq' should have been removed.
The sparse output has been a bit jacked up lately and I missed this.
Greg,
Can I just fix this patch (51/60) and repost it or would you prefer to
take patches 1-50 and have me repost 51-60 after fixing this one?
Thanks,
Hartley
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
