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Date: Mon, 16 Oct 2017 15:44:33 -0700 From: Frank Rowand <frowand.list@...il.com> To: Sudeep Holla <sudeep.holla@....com>, linux-arm-kernel@...ts.infradead.org Cc: Rob Herring <robh@...nel.org>, Arnd Bergmann <arnd@...db.de>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com> Subject: Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from of_platform_default_populate_init() + me On 09/28/17 03:45, Sudeep Holla wrote: > Since "/firmware" does not have its own "compatible" property as it's > just collection of nodes representing firmware interface, it's sub-nodes > are not populated during system initialization. > > Currently different firmware drivers search the /firmware/ node and > populate the sub-node devices selectively. Instead we can populate > the /firmware/ node during init to avoid more drivers continuing to > populate the devices selectively. > > To generalize the solution this patch populates the /firmware/ node > explicitly from of_platform_default_populate_init(). > > Cc: Arnd Bergmann <arnd@...db.de> > Cc: Rob Herring <robh@...nel.org> > Signed-off-by: Sudeep Holla <sudeep.holla@....com> > --- > drivers/of/platform.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/of/platform.c b/drivers/of/platform.c > index ac15d0e3d27d..3a213a6aee89 100644 > --- a/drivers/of/platform.c > +++ b/drivers/of/platform.c > @@ -515,6 +515,10 @@ static int __init of_platform_default_populate_init(void) > of_platform_device_create(node, NULL, NULL); > } > > + node = of_find_node_by_path("/firmware"); > + if (node) > + of_platform_populate(node, NULL, NULL, NULL); > + > /* Populate everything else. */ > of_platform_default_populate(NULL, NULL, NULL); > >
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