Loading drivers/staging/greybus/Makefile +1 −0 Original line number Diff line number Diff line greybus-y := core.o \ gbuf.o \ sysfs.o \ debugfs.o \ ap.o \ i2c-gb.o \ Loading drivers/staging/greybus/core.c +0 −147 Original line number Diff line number Diff line Loading @@ -190,153 +190,6 @@ static struct device_type greybus_module_type = { .release = greybus_module_release, }; /* Function fields */ #define greybus_function_attr(field) \ static ssize_t function_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%d\n", gdev->function.field); \ } \ static DEVICE_ATTR_RO(function_##field) greybus_function_attr(number); greybus_function_attr(cport); greybus_function_attr(class); greybus_function_attr(subclass); greybus_function_attr(protocol); static struct attribute *function_attrs[] = { &dev_attr_function_number.attr, &dev_attr_function_cport.attr, &dev_attr_function_class.attr, &dev_attr_function_subclass.attr, &dev_attr_function_protocol.attr, NULL, }; static umode_t function_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->function.number || gdev->function.cport || gdev->function.class || gdev->function.subclass || gdev->function.protocol) return a->mode; return 0; } static struct attribute_group function_attr_grp = { .attrs = function_attrs, .is_visible = function_attrs_are_visible, }; /* Module fields */ #define greybus_module_attr(field) \ static ssize_t module_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%x\n", gdev->module_id.field); \ } \ static DEVICE_ATTR_RO(module_##field) greybus_module_attr(vendor); greybus_module_attr(product); greybus_module_attr(version); static ssize_t module_vendor_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.vendor_stringid)); } static DEVICE_ATTR_RO(module_vendor_string); static ssize_t module_product_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.product_stringid)); } static DEVICE_ATTR_RO(module_product_string); static struct attribute *module_attrs[] = { &dev_attr_module_vendor.attr, &dev_attr_module_product.attr, &dev_attr_module_version.attr, &dev_attr_module_vendor_string.attr, &dev_attr_module_product_string.attr, NULL, }; static umode_t module_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); if ((a == &dev_attr_module_vendor_string.attr) && (gdev->module_id.vendor_stringid)) return a->mode; if ((a == &dev_attr_module_product_string.attr) && (gdev->module_id.product_stringid)) return a->mode; // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->module_id.vendor || gdev->module_id.product || gdev->module_id.version) return a->mode; return 0; } static struct attribute_group module_attr_grp = { .attrs = module_attrs, .is_visible = module_attrs_are_visible, }; /* Serial Number */ static ssize_t serial_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%llX\n", (unsigned long long)gdev->serial_number.serial_number); } static DEVICE_ATTR_RO(serial_number); static struct attribute *serial_number_attrs[] = { &dev_attr_serial_number.attr, NULL, }; static struct attribute_group serial_number_attr_grp = { .attrs = serial_number_attrs, .is_visible = function_attrs_are_visible, }; static const struct attribute_group *greybus_module_groups[] = { &function_attr_grp, &module_attr_grp, &serial_number_attr_grp, NULL, }; static int gb_init_subdevs(struct greybus_device *gdev, const struct greybus_module_id *id) { Loading drivers/staging/greybus/greybus.h +2 −0 Original line number Diff line number Diff line Loading @@ -188,6 +188,8 @@ void gb_thread_destroy(void); int gb_debugfs_init(void); void gb_debugfs_cleanup(void); extern const struct attribute_group *greybus_module_groups[]; /* * Because we are allocating a data structure per "type" in the greybus device, * we have static functions for this, not "dynamic" drivers like we really Loading drivers/staging/greybus/sysfs.c 0 → 100644 +166 −0 Original line number Diff line number Diff line /* * Greybus sysfs file functions * * Copyright 2014 Google Inc. * * Released under the GPLv2 only. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/types.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/kthread.h> #include <linux/device.h> #include "greybus.h" /* Function fields */ #define greybus_function_attr(field) \ static ssize_t function_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%d\n", gdev->function.field); \ } \ static DEVICE_ATTR_RO(function_##field) greybus_function_attr(number); greybus_function_attr(cport); greybus_function_attr(class); greybus_function_attr(subclass); greybus_function_attr(protocol); static struct attribute *function_attrs[] = { &dev_attr_function_number.attr, &dev_attr_function_cport.attr, &dev_attr_function_class.attr, &dev_attr_function_subclass.attr, &dev_attr_function_protocol.attr, NULL, }; static umode_t function_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->function.number || gdev->function.cport || gdev->function.class || gdev->function.subclass || gdev->function.protocol) return a->mode; return 0; } static struct attribute_group function_attr_grp = { .attrs = function_attrs, .is_visible = function_attrs_are_visible, }; /* Module fields */ #define greybus_module_attr(field) \ static ssize_t module_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%x\n", gdev->module_id.field); \ } \ static DEVICE_ATTR_RO(module_##field) greybus_module_attr(vendor); greybus_module_attr(product); greybus_module_attr(version); static ssize_t module_vendor_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.vendor_stringid)); } static DEVICE_ATTR_RO(module_vendor_string); static ssize_t module_product_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.product_stringid)); } static DEVICE_ATTR_RO(module_product_string); static struct attribute *module_attrs[] = { &dev_attr_module_vendor.attr, &dev_attr_module_product.attr, &dev_attr_module_version.attr, &dev_attr_module_vendor_string.attr, &dev_attr_module_product_string.attr, NULL, }; static umode_t module_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); if ((a == &dev_attr_module_vendor_string.attr) && (gdev->module_id.vendor_stringid)) return a->mode; if ((a == &dev_attr_module_product_string.attr) && (gdev->module_id.product_stringid)) return a->mode; // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->module_id.vendor || gdev->module_id.product || gdev->module_id.version) return a->mode; return 0; } static struct attribute_group module_attr_grp = { .attrs = module_attrs, .is_visible = module_attrs_are_visible, }; /* Serial Number */ static ssize_t serial_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%llX\n", (unsigned long long)gdev->serial_number.serial_number); } static DEVICE_ATTR_RO(serial_number); static struct attribute *serial_number_attrs[] = { &dev_attr_serial_number.attr, NULL, }; static struct attribute_group serial_number_attr_grp = { .attrs = serial_number_attrs, .is_visible = function_attrs_are_visible, }; const struct attribute_group *greybus_module_groups[] = { &function_attr_grp, &module_attr_grp, &serial_number_attr_grp, NULL, }; Loading
drivers/staging/greybus/Makefile +1 −0 Original line number Diff line number Diff line greybus-y := core.o \ gbuf.o \ sysfs.o \ debugfs.o \ ap.o \ i2c-gb.o \ Loading
drivers/staging/greybus/core.c +0 −147 Original line number Diff line number Diff line Loading @@ -190,153 +190,6 @@ static struct device_type greybus_module_type = { .release = greybus_module_release, }; /* Function fields */ #define greybus_function_attr(field) \ static ssize_t function_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%d\n", gdev->function.field); \ } \ static DEVICE_ATTR_RO(function_##field) greybus_function_attr(number); greybus_function_attr(cport); greybus_function_attr(class); greybus_function_attr(subclass); greybus_function_attr(protocol); static struct attribute *function_attrs[] = { &dev_attr_function_number.attr, &dev_attr_function_cport.attr, &dev_attr_function_class.attr, &dev_attr_function_subclass.attr, &dev_attr_function_protocol.attr, NULL, }; static umode_t function_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->function.number || gdev->function.cport || gdev->function.class || gdev->function.subclass || gdev->function.protocol) return a->mode; return 0; } static struct attribute_group function_attr_grp = { .attrs = function_attrs, .is_visible = function_attrs_are_visible, }; /* Module fields */ #define greybus_module_attr(field) \ static ssize_t module_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%x\n", gdev->module_id.field); \ } \ static DEVICE_ATTR_RO(module_##field) greybus_module_attr(vendor); greybus_module_attr(product); greybus_module_attr(version); static ssize_t module_vendor_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.vendor_stringid)); } static DEVICE_ATTR_RO(module_vendor_string); static ssize_t module_product_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.product_stringid)); } static DEVICE_ATTR_RO(module_product_string); static struct attribute *module_attrs[] = { &dev_attr_module_vendor.attr, &dev_attr_module_product.attr, &dev_attr_module_version.attr, &dev_attr_module_vendor_string.attr, &dev_attr_module_product_string.attr, NULL, }; static umode_t module_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); if ((a == &dev_attr_module_vendor_string.attr) && (gdev->module_id.vendor_stringid)) return a->mode; if ((a == &dev_attr_module_product_string.attr) && (gdev->module_id.product_stringid)) return a->mode; // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->module_id.vendor || gdev->module_id.product || gdev->module_id.version) return a->mode; return 0; } static struct attribute_group module_attr_grp = { .attrs = module_attrs, .is_visible = module_attrs_are_visible, }; /* Serial Number */ static ssize_t serial_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%llX\n", (unsigned long long)gdev->serial_number.serial_number); } static DEVICE_ATTR_RO(serial_number); static struct attribute *serial_number_attrs[] = { &dev_attr_serial_number.attr, NULL, }; static struct attribute_group serial_number_attr_grp = { .attrs = serial_number_attrs, .is_visible = function_attrs_are_visible, }; static const struct attribute_group *greybus_module_groups[] = { &function_attr_grp, &module_attr_grp, &serial_number_attr_grp, NULL, }; static int gb_init_subdevs(struct greybus_device *gdev, const struct greybus_module_id *id) { Loading
drivers/staging/greybus/greybus.h +2 −0 Original line number Diff line number Diff line Loading @@ -188,6 +188,8 @@ void gb_thread_destroy(void); int gb_debugfs_init(void); void gb_debugfs_cleanup(void); extern const struct attribute_group *greybus_module_groups[]; /* * Because we are allocating a data structure per "type" in the greybus device, * we have static functions for this, not "dynamic" drivers like we really Loading
drivers/staging/greybus/sysfs.c 0 → 100644 +166 −0 Original line number Diff line number Diff line /* * Greybus sysfs file functions * * Copyright 2014 Google Inc. * * Released under the GPLv2 only. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/types.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/kthread.h> #include <linux/device.h> #include "greybus.h" /* Function fields */ #define greybus_function_attr(field) \ static ssize_t function_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%d\n", gdev->function.field); \ } \ static DEVICE_ATTR_RO(function_##field) greybus_function_attr(number); greybus_function_attr(cport); greybus_function_attr(class); greybus_function_attr(subclass); greybus_function_attr(protocol); static struct attribute *function_attrs[] = { &dev_attr_function_number.attr, &dev_attr_function_cport.attr, &dev_attr_function_class.attr, &dev_attr_function_subclass.attr, &dev_attr_function_protocol.attr, NULL, }; static umode_t function_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->function.number || gdev->function.cport || gdev->function.class || gdev->function.subclass || gdev->function.protocol) return a->mode; return 0; } static struct attribute_group function_attr_grp = { .attrs = function_attrs, .is_visible = function_attrs_are_visible, }; /* Module fields */ #define greybus_module_attr(field) \ static ssize_t module_##field##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ struct greybus_device *gdev = to_greybus_device(dev); \ return sprintf(buf, "%x\n", gdev->module_id.field); \ } \ static DEVICE_ATTR_RO(module_##field) greybus_module_attr(vendor); greybus_module_attr(product); greybus_module_attr(version); static ssize_t module_vendor_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.vendor_stringid)); } static DEVICE_ATTR_RO(module_vendor_string); static ssize_t module_product_string_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%s", greybus_string(gdev, gdev->module_id.product_stringid)); } static DEVICE_ATTR_RO(module_product_string); static struct attribute *module_attrs[] = { &dev_attr_module_vendor.attr, &dev_attr_module_product.attr, &dev_attr_module_version.attr, &dev_attr_module_vendor_string.attr, &dev_attr_module_product_string.attr, NULL, }; static umode_t module_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct greybus_device *gdev = to_greybus_device(kobj_to_dev(kobj)); if ((a == &dev_attr_module_vendor_string.attr) && (gdev->module_id.vendor_stringid)) return a->mode; if ((a == &dev_attr_module_product_string.attr) && (gdev->module_id.product_stringid)) return a->mode; // FIXME - make this a dynamic structure to "know" if it really is here // or not easier? if (gdev->module_id.vendor || gdev->module_id.product || gdev->module_id.version) return a->mode; return 0; } static struct attribute_group module_attr_grp = { .attrs = module_attrs, .is_visible = module_attrs_are_visible, }; /* Serial Number */ static ssize_t serial_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct greybus_device *gdev = to_greybus_device(dev); return sprintf(buf, "%llX\n", (unsigned long long)gdev->serial_number.serial_number); } static DEVICE_ATTR_RO(serial_number); static struct attribute *serial_number_attrs[] = { &dev_attr_serial_number.attr, NULL, }; static struct attribute_group serial_number_attr_grp = { .attrs = serial_number_attrs, .is_visible = function_attrs_are_visible, }; const struct attribute_group *greybus_module_groups[] = { &function_attr_grp, &module_attr_grp, &serial_number_attr_grp, NULL, };
