Thank you very much Greg
> > I did not study serial_core, I was looking only for device_find_child().
> > Probably I'm missing something. Anyway, here what does not convice me:
> >
> > (line number on next-20130412)
> > serial_core.c:2003
> >
> > tty_dev = device_find_child(uport->dev, &mat
Hi Lars,
> Considering that there seems to be a common pattern here where the caller
> only wants to know if the device exists, but is not really interested in the
> device itself, how about adding a helper function for this?
It was my first thought when I opened this thread. But now I'm convinc
On 04/12/2013 02:09 PM, Federico Vaga wrote:
> [...]
>
> [**] (argumentation based, obviously, on my limited understanding)
>
> These drivers work like this:
>
> child = device_find_child(parent, data, match_function);
> if (child) {
> put_device(child);
>
On Fri, Apr 12, 2013 at 02:09:20PM +0200, Federico Vaga wrote:
> On Thursday 11 April 2013 06:48:44 Greg Kroah-Hartman wrote:
> > On Thu, Apr 11, 2013 at 01:52:36PM +0200, Federico Vaga wrote:
> > > Hello,
> > >
> > > I'm using the function device_find_child() [drivers/base/core.c] to
> > > retrie
On Thursday 11 April 2013 06:48:44 Greg Kroah-Hartman wrote:
> On Thu, Apr 11, 2013 at 01:52:36PM +0200, Federico Vaga wrote:
> > Hello,
> >
> > I'm using the function device_find_child() [drivers/base/core.c] to
> > retrieve a specific child of a device. I see that this function invokes
> > get_d
On Thu, Apr 11, 2013 at 01:52:36PM +0200, Federico Vaga wrote:
> Hello,
>
> I'm using the function device_find_child() [drivers/base/core.c] to retrieve
> a specific child of a device. I see that this function invokes
> get_device(child) when a child matches. I think that this function must
> r
Hello,
I'm using the function device_find_child() [drivers/base/core.c] to retrieve
a specific child of a device. I see that this function invokes
get_device(child) when a child matches. I think that this function must
return the reference to the child device without getting it.
The function's
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