Re: [PATCH v2 03/13] drm/meson: Add support for components
From: Daniel Vetter
Date: Tue Apr 04 2017 - 05:09:55 EST
On Tue, Apr 04, 2017 at 11:08:26AM +0200, Neil Armstrong wrote:
> On 04/04/2017 10:59 AM, Daniel Vetter wrote:
> > On Tue, Mar 21, 2017 at 04:25:40PM +0100, Neil Armstrong wrote:
> >> +static int meson_drv_probe(struct platform_device *pdev)
> >> +{
> >> + struct component_match *match = NULL;
> >> + struct device_node *np = pdev->dev.of_node;
> >> + struct device_node *ep, *remote;
> >> + int count = 0;
> >> +
> >> + for_each_endpoint_of_node(np, ep) {
> >> + remote = of_graph_get_remote_port_parent(ep);
> >> + if (!remote || !of_device_is_available(remote))
> >> + continue;
> >> +
> >> + count += meson_probe_remote(pdev, &match, np, remote);
> >> + }
> >> +
> >> + /* If some endpoints were found, initialize the nodes */
> >> + if (count) {
> >
> > What if you have more than 1 endpoint described, but module load order
> > conspires against you to only initialize 1 at first?
>
> As I understood, the component_bind_all() will fail until all modules are loaded
> even in wrong order, no ?
> I tested with multiple combinations and it worked like a charm... maybe I missed
> something here !
I misread your code, looks all fine.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch