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SubjectRe: [PATCH] devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)
Date
On Fri, 2 Mar 2012 17:07:15 -0800, Andrew Morton <akpm@linux-foundation.org> wrote:
> On Fri, 2 Mar 2012 22:20:16 +0100
> "Cousson, Benoit" <b-cousson@ti.com> wrote:
>
> > Hi Grant,
> >
> > In fact this patch is not working for build without CONFIG_OF like x86.
> >
> > On 2/24/2012 11:06 PM, Grant Likely wrote:
> > > --- a/include/linux/of_platform.h
> > > +++ b/include/linux/of_platform.h
> > > @@ -81,7 +81,7 @@ extern struct platform_device *of_device_alloc(struct device_node *np,
> > > struct device *parent);
> > > extern struct platform_device *of_find_device_by_node(struct device_node *np);
> > >
> > > -#if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
> > > +#ifdef CONFIG_OF_ADDRESS /* device reg helpers depend on OF_ADDRESS */
> > > /* Platform devices and busses creation */
> > > extern struct platform_device *of_platform_device_create(struct device_node *np,
> > > const char *bus_id,
> > > @@ -94,7 +94,15 @@ extern int of_platform_populate(struct device_node *root,
> > > const struct of_device_id *matches,
> > > const struct of_dev_auxdata *lookup,
> > > struct device *parent);
> > > -#endif /* !CONFIG_SPARC */
> > > +#else
> > > +static inline int of_platform_populate(struct device_node *root,
> > > + const struct of_device_id *matches,
> > > + const struct of_dev_auxdata *lookup,
> > > + struct device *parent)
> > > +{
> > > + return -ENODEV;
> > > +}
> > > +#endif /* !CONFIG_OF_ADDRESS */
> > >
> > > #endif /* CONFIG_OF_DEVICE */
> >
> > Because if CONFIG_OF_DEVICE is not defined, then the stub for
> > of_platform_populate will not be defined either. It should exist for any
> > config without CONFIG_OF.
> >
> > Building twl4030 for x86 is actually broken.
> >
>
> All twl is broken. i386 allmodconfig with this monring's linux-next:
>
> drivers/mfd/twl-core.c: In function 'twl_probe':
> drivers/mfd/twl-core.c:1357: error: implicit declaration of function 'of_platform_populate'
>

This patch seems to solve it finally against irqdomain/next. Benoit, with
your ack I'll push it out.

g.

---

commit 679946dfdbf990d3e75418fdaf92f3981ff1f4db
Author: Grant Likely <grant.likely@secretlab.ca>
Date: Fri Mar 2 21:05:31 2012 -0700

dt: fix twl4030 for non-dt compile on x86

twl4030 still doesn't build correctly for x86 allmodconfig. This
fix solves the missing symbol errors.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 4970d43..54727ef 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -38,6 +38,7 @@
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/irq.h>
#include <linux/irqdomain.h>

#include <linux/regulator/machine.h>
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 242fa35..b47d204 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -94,7 +94,12 @@ extern int of_platform_populate(struct device_node *root,
const struct of_device_id *matches,
const struct of_dev_auxdata *lookup,
struct device *parent);
-#else
+#endif /* CONFIG_OF_ADDRESS */
+
+#endif /* CONFIG_OF_DEVICE */
+
+#if !defined(CONFIG_OF_ADDRESS)
+struct of_dev_auxdata;
static inline int of_platform_populate(struct device_node *root,
const struct of_device_id *matches,
const struct of_dev_auxdata *lookup,
@@ -104,6 +109,4 @@ static inline int of_platform_populate(struct device_node *root,
}
#endif /* !CONFIG_OF_ADDRESS */

-#endif /* CONFIG_OF_DEVICE */
-
#endif /* _LINUX_OF_PLATFORM_H */
--
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