From f65a0b1f3e79444bba9ac56435eeb32db85ab2c9 Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Thu, 2 Dec 2021 10:53:34 +0100 Subject: HID: do not inline some hid_hw_ functions We don't gain much by having them as inline, and it actually prevents us to attach a probe to those helpers. Signed-off-by: Benjamin Tissoires Reviewed-by: Greg Kroah-Hartman Link: https://lore.kernel.org/r/20211202095334.14399-5-benjamin.tissoires@redhat.com --- drivers/hid/hid-core.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'drivers/hid/hid-core.c') diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5402329d6eca..f1aed5bbd000 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2126,6 +2126,70 @@ void hid_hw_close(struct hid_device *hdev) } EXPORT_SYMBOL_GPL(hid_hw_close); +/** + * hid_hw_request - send report request to device + * + * @hdev: hid device + * @report: report to send + * @reqtype: hid request type + */ +void hid_hw_request(struct hid_device *hdev, + struct hid_report *report, int reqtype) +{ + if (hdev->ll_driver->request) + return hdev->ll_driver->request(hdev, report, reqtype); + + __hid_request(hdev, report, reqtype); +} +EXPORT_SYMBOL_GPL(hid_hw_request); + +/** + * hid_hw_raw_request - send report request to device + * + * @hdev: hid device + * @reportnum: report ID + * @buf: in/out data to transfer + * @len: length of buf + * @rtype: HID report type + * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT + * + * Return: count of data transferred, negative if error + * + * Same behavior as hid_hw_request, but with raw buffers instead. + */ +int hid_hw_raw_request(struct hid_device *hdev, + unsigned char reportnum, __u8 *buf, + size_t len, unsigned char rtype, int reqtype) +{ + if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) + return -EINVAL; + + return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, + rtype, reqtype); +} +EXPORT_SYMBOL_GPL(hid_hw_raw_request); + +/** + * hid_hw_output_report - send output report to device + * + * @hdev: hid device + * @buf: raw data to transfer + * @len: length of buf + * + * Return: count of data transferred, negative if error + */ +int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len) +{ + if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) + return -EINVAL; + + if (hdev->ll_driver->output_report) + return hdev->ll_driver->output_report(hdev, buf, len); + + return -ENOSYS; +} +EXPORT_SYMBOL_GPL(hid_hw_output_report); + #ifdef CONFIG_PM int hid_driver_suspend(struct hid_device *hdev, pm_message_t state) { -- cgit