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Commit 56a705a4 authored by Andrew Lunn's avatar Andrew Lunn Committed by Jason Cooper
Browse files

ARM: mvebu: Add a SOC bus device entry 



Add the SoC Family, device ID and revision to /sys/bus/soc.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1393955507-26436-1-git-send-email-andrew@lunn.ch


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent c9eaa447

arch/arm/mach-mvebu/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -6,6 +6,7 @@ config ARCH_MVEBU 
	select IRQ_DOMAIN

	select IRQ_DOMAIN

	select PINCTRL

	select PINCTRL

	select PLAT_ORION

	select PLAT_ORION

	select SOC_BUS

	select MVEBU_MBUS

	select MVEBU_MBUS

	select ZONE_DMA if ARM_LPAE

	select ZONE_DMA if ARM_LPAE

	select ARCH_REQUIRE_GPIOLIB

	select ARCH_REQUIRE_GPIOLIB

arch/arm/mach-mvebu/mvebu-soc-id.c

+30 −0
Original line number Original line Diff line number Diff line
@@ -23,6 +23,8 @@ 
#include <linux/kernel.h>

#include <linux/kernel.h>

#include <linux/of.h>

#include <linux/of.h>

#include <linux/of_address.h>

#include <linux/of_address.h>

#include <linux/slab.h>

#include <linux/sys_soc.h>

#include "mvebu-soc-id.h"

#include "mvebu-soc-id.h"





#define PCIE_DEV_ID_OFF		0x0

#define PCIE_DEV_ID_OFF		0x0
@@ -118,3 +120,31 @@ clk_err: 
}

}

core_initcall(mvebu_soc_id_init);

core_initcall(mvebu_soc_id_init);





static int __init mvebu_soc_device(void)

{

	struct soc_device_attribute *soc_dev_attr;

	struct soc_device *soc_dev;



	/* Also protects against running on non-mvebu systems */

	if (!is_id_valid)

		return 0;



	soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);

	if (!soc_dev_attr)

		return -ENOMEM;



	soc_dev_attr->family = kasprintf(GFP_KERNEL, "Marvell");

	soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%X", soc_rev);

	soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%X", soc_dev_id);



	soc_dev = soc_device_register(soc_dev_attr);

	if (IS_ERR(soc_dev)) {

		kfree(soc_dev_attr->family);

		kfree(soc_dev_attr->revision);

		kfree(soc_dev_attr->soc_id);

		kfree(soc_dev_attr);

	}



	return 0;

}

postcore_initcall(mvebu_soc_device);