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SubjectRe: [PATCH v4 3/9] nvmem: core: add nvmem_device_find
On Tue, 13 Aug 2019 10:40:34 +0100
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> wrote:

>
>
> On 09/08/2019 11:32, Thomas Bogendoerfer wrote:
> > nvmem_device_find provides a way to search for nvmem devices with
> > the help of a match function simlair to bus_find_device.
> >
> > Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
> > ---
> > drivers/nvmem/core.c | 62 ++++++++++++++++++++++--------------------
> > include/linux/nvmem-consumer.h | 9 ++++++
> > 2 files changed, 41 insertions(+), 30 deletions(-)
>
> Have you considered using nvmem_register_notifier() ?

yes, that was the first idea. But then I realized I need to build up
a private database of information already present in nvmem bus. So I
looked for a way to retrieve it from there. Unfortunately I couldn't
use bus_find_device directly, because nvmem_bus_type and struct nvmem_device
is hidden. So I refactured the lookup code and added a more universal
lookup function, which fits my needs and should be usable for more.

Thomas.

--
SUSE Linux GmbH
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)

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