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Date: Mon, 1 Jun 2009 20:47:58 +0200 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Magnus Damm <magnus.damm@...il.com> Cc: linux-kernel@...r.kernel.org, paul@...an.com, khilman@...prootsystems.com, gregkh@...e.de, stern@...land.harvard.edu, linux-pm@...ts.linux-foundation.org Subject: Re: [PATCH] Driver Core: Add platform device arch data V2 On Monday 01 June 2009, Magnus Damm wrote: > From: Magnus Damm <damm@...l.co.jp> > > Allow architecture specific data in struct platform_device V2. > The structure pdev_archdata is added to struct platform_device, > similar to struct dev_archdata in struct device. > > Useful for architecture code that needs to keep extra data > associated with each platform device. This data shall not > be accessed by platform drivers, only architecture code. > > Needed for platform device runtime PM. What exactly do you need this data for? Rafael > Signed-off-by: Magnus Damm <damm@...l.co.jp> > --- > > Applies to next-20090529. > > Changes since V1: > - post to lkml, keep linux-pm cc:ed > - add struct pdev_archdata to asm-generic > - add struct pdev_archdata to non-generic architectures > - drop Kconfig bits > > arch/arm/include/asm/device.h | 3 +++ > arch/ia64/include/asm/device.h | 3 +++ > arch/microblaze/include/asm/device.h | 3 +++ > arch/powerpc/include/asm/device.h | 3 +++ > arch/sparc/include/asm/device.h | 3 +++ > arch/x86/include/asm/device.h | 3 +++ > include/asm-generic/device.h | 3 +++ > include/linux/platform_device.h | 3 +++ > 8 files changed, 24 insertions(+) > > --- 0001/arch/arm/include/asm/device.h > +++ work/arch/arm/include/asm/device.h 2009-06-01 12:19:51.000000000 +0900 > @@ -12,4 +12,7 @@ struct dev_archdata { > #endif > }; > > +struct pdev_archdata { > +}; > + > #endif > --- 0001/arch/ia64/include/asm/device.h > +++ work/arch/ia64/include/asm/device.h 2009-06-01 12:18:11.000000000 +0900 > @@ -15,4 +15,7 @@ struct dev_archdata { > #endif > }; > > +struct pdev_archdata { > +}; > + > #endif /* _ASM_IA64_DEVICE_H */ > --- 0001/arch/microblaze/include/asm/device.h > +++ work/arch/microblaze/include/asm/device.h 2009-06-01 12:19:32.000000000 +0900 > @@ -16,6 +16,9 @@ struct dev_archdata { > struct device_node *of_node; > }; > > +struct pdev_archdata { > +}; > + > #endif /* _ASM_MICROBLAZE_DEVICE_H */ > > > --- 0001/arch/powerpc/include/asm/device.h > +++ work/arch/powerpc/include/asm/device.h 2009-06-01 12:16:28.000000000 +0900 > @@ -30,4 +30,7 @@ dev_archdata_get_node(const struct dev_a > return ad->of_node; > } > > +struct pdev_archdata { > +}; > + > #endif /* _ASM_POWERPC_DEVICE_H */ > --- 0001/arch/sparc/include/asm/device.h > +++ work/arch/sparc/include/asm/device.h 2009-06-01 12:18:57.000000000 +0900 > @@ -32,4 +32,7 @@ dev_archdata_get_node(const struct dev_a > return ad->prom_node; > } > > +struct pdev_archdata { > +}; > + > #endif /* _ASM_SPARC_DEVICE_H */ > --- 0001/arch/x86/include/asm/device.h > +++ work/arch/x86/include/asm/device.h 2009-06-01 12:17:28.000000000 +0900 > @@ -13,4 +13,7 @@ struct dma_map_ops *dma_ops; > #endif > }; > > +struct pdev_archdata { > +}; > + > #endif /* _ASM_X86_DEVICE_H */ > --- 0001/include/asm-generic/device.h > +++ work/include/asm-generic/device.h 2009-06-01 12:16:20.000000000 +0900 > @@ -9,4 +9,7 @@ > struct dev_archdata { > }; > > +struct pdev_archdata { > +}; > + > #endif /* _ASM_GENERIC_DEVICE_H */ > --- 0001/include/linux/platform_device.h > +++ work/include/linux/platform_device.h 2009-06-01 12:14:43.000000000 +0900 > @@ -22,6 +22,9 @@ struct platform_device { > struct resource * resource; > > struct platform_device_id *id_entry; > + > + /* arch specific additions */ > + struct pdev_archdata archdata; > }; > > #define platform_get_device_id(pdev) ((pdev)->id_entry) > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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