greybus: split sysfs functions out to separate file.
This commit is contained in:
Greg Kroah-Hartman
parent
e24e7257b1
commit
06340efb7c
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@ -1,5 +1,6 @@
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greybus-y := core.o \
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gbuf.o \
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sysfs.o \
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debugfs.o \
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ap.o \
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i2c-gb.o \
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@ -190,153 +190,6 @@ static struct device_type greybus_module_type = {
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.release = greybus_module_release,
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};
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/* Function fields */
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#define greybus_function_attr(field) \
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static ssize_t function_##field##_show(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct greybus_device *gdev = to_greybus_device(dev); \
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return sprintf(buf, "%d\n", gdev->function.field); \
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} \
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static DEVICE_ATTR_RO(function_##field)
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greybus_function_attr(number);
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greybus_function_attr(cport);
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greybus_function_attr(class);
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greybus_function_attr(subclass);
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greybus_function_attr(protocol);
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static struct attribute *function_attrs[] = {
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&dev_attr_function_number.attr,
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&dev_attr_function_cport.attr,
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&dev_attr_function_class.attr,
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&dev_attr_function_subclass.attr,
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&dev_attr_function_protocol.attr,
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NULL,
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};
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static umode_t function_attrs_are_visible(struct kobject *kobj,
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struct attribute *a, int n)
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{
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struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj));
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// FIXME - make this a dynamic structure to "know" if it really is here
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// or not easier?
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if (gdev->function.number ||
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gdev->function.cport ||
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gdev->function.class ||
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gdev->function.subclass ||
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gdev->function.protocol)
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return a->mode;
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return 0;
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}
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static struct attribute_group function_attr_grp = {
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.attrs = function_attrs,
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.is_visible = function_attrs_are_visible,
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};
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/* Module fields */
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#define greybus_module_attr(field) \
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static ssize_t module_##field##_show(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct greybus_device *gdev = to_greybus_device(dev); \
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return sprintf(buf, "%x\n", gdev->module_id.field); \
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} \
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static DEVICE_ATTR_RO(module_##field)
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greybus_module_attr(vendor);
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greybus_module_attr(product);
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greybus_module_attr(version);
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static ssize_t module_vendor_string_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct greybus_device *gdev = to_greybus_device(dev);
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return sprintf(buf, "%s",
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greybus_string(gdev, gdev->module_id.vendor_stringid));
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}
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static DEVICE_ATTR_RO(module_vendor_string);
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static ssize_t module_product_string_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct greybus_device *gdev = to_greybus_device(dev);
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return sprintf(buf, "%s",
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greybus_string(gdev, gdev->module_id.product_stringid));
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}
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static DEVICE_ATTR_RO(module_product_string);
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static struct attribute *module_attrs[] = {
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&dev_attr_module_vendor.attr,
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&dev_attr_module_product.attr,
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&dev_attr_module_version.attr,
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&dev_attr_module_vendor_string.attr,
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&dev_attr_module_product_string.attr,
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NULL,
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};
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static umode_t module_attrs_are_visible(struct kobject *kobj,
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struct attribute *a, int n)
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{
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struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj));
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if ((a == &dev_attr_module_vendor_string.attr) &&
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(gdev->module_id.vendor_stringid))
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return a->mode;
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if ((a == &dev_attr_module_product_string.attr) &&
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(gdev->module_id.product_stringid))
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return a->mode;
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// FIXME - make this a dynamic structure to "know" if it really is here
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// or not easier?
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if (gdev->module_id.vendor ||
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gdev->module_id.product ||
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gdev->module_id.version)
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return a->mode;
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return 0;
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}
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static struct attribute_group module_attr_grp = {
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.attrs = module_attrs,
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.is_visible = module_attrs_are_visible,
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};
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/* Serial Number */
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static ssize_t serial_number_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct greybus_device *gdev = to_greybus_device(dev);
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return sprintf(buf, "%llX\n",
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(unsigned long long)gdev->serial_number.serial_number);
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}
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static DEVICE_ATTR_RO(serial_number);
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static struct attribute *serial_number_attrs[] = {
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&dev_attr_serial_number.attr,
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NULL,
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};
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static struct attribute_group serial_number_attr_grp = {
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.attrs = serial_number_attrs,
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.is_visible = function_attrs_are_visible,
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};
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static const struct attribute_group *greybus_module_groups[] = {
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&function_attr_grp,
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&module_attr_grp,
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&serial_number_attr_grp,
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NULL,
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};
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static int gb_init_subdevs(struct greybus_device *gdev,
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const struct greybus_module_id *id)
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{
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@ -188,6 +188,8 @@ void gb_thread_destroy(void);
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int gb_debugfs_init(void);
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void gb_debugfs_cleanup(void);
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extern const struct attribute_group *greybus_module_groups[];
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/*
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* Because we are allocating a data structure per "type" in the greybus device,
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* we have static functions for this, not "dynamic" drivers like we really
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@ -0,0 +1,166 @@
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/*
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* Greybus sysfs file functions
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*
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* Copyright 2014 Google Inc.
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*
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* Released under the GPLv2 only.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/kthread.h>
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#include <linux/device.h>
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#include "greybus.h"
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/* Function fields */
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#define greybus_function_attr(field) \
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static ssize_t function_##field##_show(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct greybus_device *gdev = to_greybus_device(dev); \
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return sprintf(buf, "%d\n", gdev->function.field); \
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} \
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static DEVICE_ATTR_RO(function_##field)
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greybus_function_attr(number);
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greybus_function_attr(cport);
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greybus_function_attr(class);
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greybus_function_attr(subclass);
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greybus_function_attr(protocol);
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static struct attribute *function_attrs[] = {
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&dev_attr_function_number.attr,
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&dev_attr_function_cport.attr,
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&dev_attr_function_class.attr,
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&dev_attr_function_subclass.attr,
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&dev_attr_function_protocol.attr,
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NULL,
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};
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static umode_t function_attrs_are_visible(struct kobject *kobj,
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struct attribute *a, int n)
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{
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struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj));
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// FIXME - make this a dynamic structure to "know" if it really is here
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// or not easier?
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if (gdev->function.number ||
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gdev->function.cport ||
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gdev->function.class ||
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gdev->function.subclass ||
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gdev->function.protocol)
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return a->mode;
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return 0;
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}
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static struct attribute_group function_attr_grp = {
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.attrs = function_attrs,
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.is_visible = function_attrs_are_visible,
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};
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/* Module fields */
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#define greybus_module_attr(field) \
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static ssize_t module_##field##_show(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct greybus_device *gdev = to_greybus_device(dev); \
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return sprintf(buf, "%x\n", gdev->module_id.field); \
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} \
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static DEVICE_ATTR_RO(module_##field)
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greybus_module_attr(vendor);
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greybus_module_attr(product);
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greybus_module_attr(version);
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static ssize_t module_vendor_string_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct greybus_device *gdev = to_greybus_device(dev);
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return sprintf(buf, "%s",
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greybus_string(gdev, gdev->module_id.vendor_stringid));
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}
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static DEVICE_ATTR_RO(module_vendor_string);
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static ssize_t module_product_string_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct greybus_device *gdev = to_greybus_device(dev);
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return sprintf(buf, "%s",
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greybus_string(gdev, gdev->module_id.product_stringid));
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}
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static DEVICE_ATTR_RO(module_product_string);
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static struct attribute *module_attrs[] = {
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&dev_attr_module_vendor.attr,
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&dev_attr_module_product.attr,
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&dev_attr_module_version.attr,
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&dev_attr_module_vendor_string.attr,
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&dev_attr_module_product_string.attr,
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NULL,
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};
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static umode_t module_attrs_are_visible(struct kobject *kobj,
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struct attribute *a, int n)
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{
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struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj));
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if ((a == &dev_attr_module_vendor_string.attr) &&
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(gdev->module_id.vendor_stringid))
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return a->mode;
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if ((a == &dev_attr_module_product_string.attr) &&
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(gdev->module_id.product_stringid))
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return a->mode;
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// FIXME - make this a dynamic structure to "know" if it really is here
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// or not easier?
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if (gdev->module_id.vendor ||
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gdev->module_id.product ||
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gdev->module_id.version)
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return a->mode;
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return 0;
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}
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static struct attribute_group module_attr_grp = {
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.attrs = module_attrs,
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.is_visible = module_attrs_are_visible,
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};
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/* Serial Number */
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static ssize_t serial_number_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct greybus_device *gdev = to_greybus_device(dev);
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return sprintf(buf, "%llX\n",
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(unsigned long long)gdev->serial_number.serial_number);
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}
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static DEVICE_ATTR_RO(serial_number);
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static struct attribute *serial_number_attrs[] = {
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&dev_attr_serial_number.attr,
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NULL,
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};
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static struct attribute_group serial_number_attr_grp = {
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.attrs = serial_number_attrs,
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.is_visible = function_attrs_are_visible,
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};
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const struct attribute_group *greybus_module_groups[] = {
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&function_attr_grp,
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&module_attr_grp,
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&serial_number_attr_grp,
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NULL,
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};
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