Driver Core: Add platform device arch data V3
Allow architecture specific data in struct platform_device V3.
With this patch struct pdev_archdata is added to struct
platform_device, similar to struct dev_archdata in found in
struct device. Useful for architecture code that needs to
keep extra data associated with each platform device.
Struct pdev_archdata is different from dev.platform_data, the
convention is that dev.platform_data points to driver-specific
data. It may or may not be required by the driver. The format
of this depends on driver but is the same across architectures.
The structure pdev_archdata is a place for architecture specific
data. This data is handled by architecture specific code (for
example runtime PM), and since it is architecture specific it
should _never_ be touched by device driver code. Exactly like
struct dev_archdata but for platform devices.
[rjw: This change is for power management mostly and that's why it
goes through the suspend tree.]
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h
index c61642b..9f390ce 100644
--- a/arch/arm/include/asm/device.h
+++ b/arch/arm/include/asm/device.h
@@ -12,4 +12,7 @@
#endif
};
+struct pdev_archdata {
+};
+
#endif
diff --git a/arch/ia64/include/asm/device.h b/arch/ia64/include/asm/device.h
index 41ab85d..d66d446 100644
--- a/arch/ia64/include/asm/device.h
+++ b/arch/ia64/include/asm/device.h
@@ -15,4 +15,7 @@
#endif
};
+struct pdev_archdata {
+};
+
#endif /* _ASM_IA64_DEVICE_H */
diff --git a/arch/microblaze/include/asm/device.h b/arch/microblaze/include/asm/device.h
index c042830..30286db 100644
--- a/arch/microblaze/include/asm/device.h
+++ b/arch/microblaze/include/asm/device.h
@@ -16,6 +16,9 @@
struct device_node *of_node;
};
+struct pdev_archdata {
+};
+
#endif /* _ASM_MICROBLAZE_DEVICE_H */
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 7d2277c..e3e06e0 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -30,4 +30,7 @@
return ad->of_node;
}
+struct pdev_archdata {
+};
+
#endif /* _ASM_POWERPC_DEVICE_H */
diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h
index 3702e08..f3b85b6 100644
--- a/arch/sparc/include/asm/device.h
+++ b/arch/sparc/include/asm/device.h
@@ -32,4 +32,7 @@
return ad->prom_node;
}
+struct pdev_archdata {
+};
+
#endif /* _ASM_SPARC_DEVICE_H */
diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h
index 4994a20..cee34e9 100644
--- a/arch/x86/include/asm/device.h
+++ b/arch/x86/include/asm/device.h
@@ -13,4 +13,7 @@
#endif
};
+struct pdev_archdata {
+};
+
#endif /* _ASM_X86_DEVICE_H */
