Re: [PATCH v9 1/5] driver core: Find an existing link between two devices

From: Tomasz Figa
Date: Tue Mar 13 2018 - 06:15:38 EST


Hi Vivek,

Thanks for the patch.

On Tue, Mar 13, 2018 at 5:55 PM, Vivek Gautam
<vivek.gautam@xxxxxxxxxxxxxx> wrote:
> The lists managing the device-links can be traversed to
> find the link between two devices. The device_link_add() APIs
> does traverse these lists to check if there's already a link
> setup between the two devices.
> So, add a new APIs, device_link_find(), to find an existing
> device link between two devices - suppliers and consumers.

I'm wondering if this API would be useful for anything else that the
problem we're trying to solve with deleting links without storing them
anywhere. Perhaps a device_link_del_dev(consumer, supplier) would be a
better alternative?

Best regards,
Tomasz