Hi Laurent,
Thanks for the review.
On Wed, May 29, 2013 at 8:02 AM, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> Hi Prabhakar,
>
> Thanks for the patch.
>
> On Sunday 26 May 2013 17:30:07 Prabhakar Lad wrote:
>> From: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
>>
>> Ideally the freeing of irq's and the global variables needs to be
>> done in the remove() rather than module_exit(), this patch moves
>> the freeing up of irq's and freeing the memory allocated to channel
>> objects to remove() callback of struct platform_driver.
>>
>> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
>> ---
>> drivers/media/platform/davinci/vpif_capture.c | 31 ++++++++++------------
>> 1 files changed, 13 insertions(+), 18 deletions(-)
>>
>> diff --git a/drivers/media/platform/davinci/vpif_capture.c
>> b/drivers/media/platform/davinci/vpif_capture.c index caaf4fe..f8b7304
>> 100644
>> --- a/drivers/media/platform/davinci/vpif_capture.c
>> +++ b/drivers/media/platform/davinci/vpif_capture.c
>> @@ -2225,17 +2225,29 @@ vpif_int_err:
>> */
>> static int vpif_remove(struct platform_device *device)
>> {
>> - int i;
>> + struct platform_device *pdev;
>> struct channel_obj *ch;
>> + struct resource *res;
>> + int irq_num, i = 0;
>> +
>> + pdev = container_of(vpif_dev, struct platform_device, dev);
>
> As Sergei mentioned, the platform device is already passed to the function as
> an argument.
>
OK
>> + while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, i))) {
>> + for (irq_num = res->start; irq_num <= res->end; irq_num++)
>> + free_irq(irq_num,
>> + (void *)(&vpif_obj.dev[i]->channel_id));
>
> A quick look at board code shows that each IRQ resource contains a single IRQ.
> The second loop could thus be removed. You could also add another patch to
> perform similar cleanup for the probe code.
>
Any way this will code will be removed in the next patch of the same
series due to usage
of devm_* api. I'll do this change only in the probe code.
Regards,
--Prabhakar Lad
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