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ARM: mvebu: Add a SOC bus device entry
Add the SoC Family, device ID and revision to /sys/bus/soc. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Link: https://lkml.kernel.org/r/1393955507-26436-1-git-send-email-andrew@lunn.ch Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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@ -6,6 +6,7 @@ config ARCH_MVEBU
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select IRQ_DOMAIN
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select PINCTRL
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select PLAT_ORION
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select SOC_BUS
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select MVEBU_MBUS
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select ZONE_DMA if ARM_LPAE
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select ARCH_REQUIRE_GPIOLIB
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@ -23,6 +23,8 @@
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#include <linux/kernel.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/slab.h>
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#include <linux/sys_soc.h>
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#include "mvebu-soc-id.h"
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#define PCIE_DEV_ID_OFF 0x0
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@ -118,3 +120,31 @@ clk_err:
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}
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core_initcall(mvebu_soc_id_init);
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static int __init mvebu_soc_device(void)
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{
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struct soc_device_attribute *soc_dev_attr;
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struct soc_device *soc_dev;
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/* Also protects against running on non-mvebu systems */
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if (!is_id_valid)
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return 0;
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soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
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if (!soc_dev_attr)
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return -ENOMEM;
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soc_dev_attr->family = kasprintf(GFP_KERNEL, "Marvell");
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soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%X", soc_rev);
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soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%X", soc_dev_id);
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soc_dev = soc_device_register(soc_dev_attr);
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if (IS_ERR(soc_dev)) {
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kfree(soc_dev_attr->family);
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kfree(soc_dev_attr->revision);
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kfree(soc_dev_attr->soc_id);
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kfree(soc_dev_attr);
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}
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return 0;
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}
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postcore_initcall(mvebu_soc_device);
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