Re: [PATCH v2 2/4] ARM: shmobile: r8a7779: add VIN support

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Hello.

On 22-04-2013 8:57, Simon Horman wrote:

From: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>

Add VIN clocks and platform devices for R8A7779 SoC; add function to register
the VIN platform devices.

Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
[Sergei: added 'id' parameter check to r8a7779_add_vin_device(), renamed some
variables.]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

[...]

Index: renesas/arch/arm/mach-shmobile/setup-r8a7779.c
===================================================================
--- renesas.orig/arch/arm/mach-shmobile/setup-r8a7779.c
+++ renesas/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -559,6 +559,33 @@ static struct resource ether_resources[]
  	},
  };
+#define R8A7779_VIN(idx) \
+static struct resource vin##idx##_resources[] = {		\
+	DEFINE_RES_MEM(0xffc50000 + 0x1000 * (idx), 0x1000),	\
+	DEFINE_RES_IRQ(gic_iid(0x5f + (idx))),			\
+};								\
+								\
+static struct platform_device_info vin##idx##_info = {		\

    Hm, probably should have marked this as '__initdata'... maybe
the resources too.

That doesn't seem to be the case for other devices in
that or other shmobile files. Am I missing something
or should numerous other devices be updated?

If the device is registered using platform_device_register_*(), it seems worth marking the resources, the platfrom data and 'struct platform_device_info' as '__initdata' as they're copied to the memory allocated from heap anyway and hence not needed past the init phase...

WBR, Sergei

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