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Both gpio-sim and gpio-virtuser share a mechanism to instantiate a platform device, wait for probe completion, and retrieve the probe success or error status synchronously. With gpio-aggregator planned to adopt this approach for its configfs interface, it's time to factor out the common code. Add dev-sync-probe.[ch] to house helper functions used by all such implementations. No functional change. Signed-off-by: Koichiro Den <koichiro.den@canonical.com> Link: https://lore.kernel.org/r/20250221133501.2203897-2-koichiro.den@canonical.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
26 lines
659 B
C
26 lines
659 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef DEV_SYNC_PROBE_H
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#define DEV_SYNC_PROBE_H
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#include <linux/completion.h>
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#include <linux/notifier.h>
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#include <linux/platform_device.h>
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struct dev_sync_probe_data {
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struct platform_device *pdev;
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const char *name;
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/* Synchronize with probe */
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struct notifier_block bus_notifier;
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struct completion probe_completion;
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bool driver_bound;
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};
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void dev_sync_probe_init(struct dev_sync_probe_data *data);
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int dev_sync_probe_register(struct dev_sync_probe_data *data,
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struct platform_device_info *pdevinfo);
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void dev_sync_probe_unregister(struct dev_sync_probe_data *data);
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#endif /* DEV_SYNC_PROBE_H */
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