| 1 | |
| 2 | |
| 3 |
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| 4 | #include <linux/device.h>
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| 5 | #include <linux/kernel.h>
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| 6 | #include <linux/peci.h>
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| 7 |
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| 8 | #include "internal.h"
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| 9 |
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| 10 | static int rescan_controller(struct device *dev, void *data)
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| 11 | {
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| 12 | if (dev->type != &peci_controller_type)
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| 13 | return 0;
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| 14 |
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| 15 | return peci_controller_scan_devices(to_peci_controller(dev));
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| 16 | }
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| 17 |
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| 18 | static ssize_t rescan_store(const struct bus_type *bus, const char *buf, size_t count)
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| 19 | {
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| 20 | bool res;
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| 21 | int ret;
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| 22 |
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| 23 | ret = kstrtobool(buf, &res);
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| 24 | if (ret)
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| 25 | return ret;
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| 26 |
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| 27 | if (!res)
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| 28 | return count;
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| 29 |
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| 30 | ret = bus_for_each_dev(&peci_bus_type, NULL, NULL, rescan_controller);
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| 31 | if (ret)
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| 32 | return ret;
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| 33 |
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| 34 | return count;
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| 35 | }
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| 36 | static BUS_ATTR_WO(rescan);
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| 37 |
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| 38 | static struct attribute *peci_bus_attrs[] = {
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| 39 | &bus_attr_rescan.attr,
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| 40 | NULL
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| 41 | };
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| 42 |
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| 43 | static const struct attribute_group peci_bus_group = {
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| 44 | .attrs = peci_bus_attrs,
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| 45 | };
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| 46 |
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| 47 | const struct attribute_group *peci_bus_groups[] = {
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| 48 | &peci_bus_group,
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| 49 | NULL
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| 50 | };
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| 51 |
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| 52 | static ssize_t remove_store(struct device *dev, struct device_attribute *attr,
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| 53 | const char *buf, size_t count)
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| 54 | {
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| 55 | struct peci_device *device = to_peci_device(dev);
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| 56 | bool res;
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| 57 | int ret;
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| 58 |
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| 59 | ret = kstrtobool(buf, &res);
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| 60 | if (ret)
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| 61 | return ret;
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| 62 |
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| 63 | if (res && device_remove_file_self(dev, attr))
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| 64 | peci_device_destroy(device);
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| 65 |
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| 66 | return count;
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| 67 | }
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| 68 | static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0200, NULL, remove_store);
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| 69 |
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| 70 | static struct attribute *peci_device_attrs[] = {
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| 71 | &dev_attr_remove.attr,
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| 72 | NULL
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| 73 | };
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| 74 |
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| 75 | static const struct attribute_group peci_device_group = {
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| 76 | .attrs = peci_device_attrs,
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| 77 | };
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| 78 |
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| 79 | const struct attribute_group *peci_device_groups[] = {
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| 80 | &peci_device_group,
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| 81 | NULL
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| 82 | };
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