Re: [PATCH 09/11] HID: remove hid_get_raw_report in struct hid_device

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Hi

On Sun, Feb 2, 2014 at 5:50 AM, Benjamin Tissoires
<benjamin.tissoires@xxxxxxxxxx> wrote:
> dev->hid_get_raw_report(X) and hid_hw_raw_request(X, HID_REQ_GET_REPORT)
> are strictly equivalent. Switch the hid subsystem to the hid_hw notation
> and remove the field .hid_get_raw_report in struct hid_device.

Finally we can remove that beast:

Reviewed-by: David Herrmann <dh.herrmann@xxxxxxxxx>

Thanks
David

> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> ---
>  drivers/hid/hid-input.c       | 6 +++---
>  drivers/hid/hid-sony.c        | 3 ++-
>  drivers/hid/hidraw.c          | 7 ++++---
>  drivers/hid/i2c-hid/i2c-hid.c | 1 -
>  drivers/hid/uhid.c            | 1 -
>  drivers/hid/usbhid/hid-core.c | 1 -
>  include/linux/hid.h           | 3 ---
>  net/bluetooth/hidp/core.c     | 1 -
>  8 files changed, 9 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> index 594722d..1de5997 100644
> --- a/drivers/hid/hid-input.c
> +++ b/drivers/hid/hid-input.c
> @@ -350,9 +350,9 @@ static int hidinput_get_battery_property(struct power_supply *psy,
>                         ret = -ENOMEM;
>                         break;
>                 }
> -               ret = dev->hid_get_raw_report(dev, dev->battery_report_id,
> -                                             buf, 2,
> -                                             dev->battery_report_type);
> +               ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2,
> +                                        dev->battery_report_type,
> +                                        HID_REQ_GET_REPORT);
>
>                 if (ret != 2) {
>                         ret = -ENODATA;
> diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
> index 1235405..3930acb 100644
> --- a/drivers/hid/hid-sony.c
> +++ b/drivers/hid/hid-sony.c
> @@ -706,7 +706,8 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
>         if (!buf)
>                 return -ENOMEM;
>
> -       ret = hdev->hid_get_raw_report(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT);
> +       ret = hid_hw_raw_request(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT,
> +                                HID_REQ_GET_REPORT);
>
>         if (ret < 0)
>                 hid_err(hdev, "can't set operational mode\n");
> diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
> index cb0137b..4b2dc95 100644
> --- a/drivers/hid/hidraw.c
> +++ b/drivers/hid/hidraw.c
> @@ -189,7 +189,7 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
>
>         dev = hidraw_table[minor]->hid;
>
> -       if (!dev->hid_get_raw_report) {
> +       if (!dev->ll_driver->raw_request) {
>                 ret = -ENODEV;
>                 goto out;
>         }
> @@ -216,14 +216,15 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
>
>         /*
>          * Read the first byte from the user. This is the report number,
> -        * which is passed to dev->hid_get_raw_report().
> +        * which is passed to hid_hw_raw_request().
>          */
>         if (copy_from_user(&report_number, buffer, 1)) {
>                 ret = -EFAULT;
>                 goto out_free;
>         }
>
> -       ret = dev->hid_get_raw_report(dev, report_number, buf, count, report_type);
> +       ret = hid_hw_raw_request(dev, report_number, buf, count, report_type,
> +                                HID_REQ_GET_REPORT);
>
>         if (ret < 0)
>                 goto out_free;
> diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
> index 5099f1f..fe3b392 100644
> --- a/drivers/hid/i2c-hid/i2c-hid.c
> +++ b/drivers/hid/i2c-hid/i2c-hid.c
> @@ -1029,7 +1029,6 @@ static int i2c_hid_probe(struct i2c_client *client,
>
>         hid->driver_data = client;
>         hid->ll_driver = &i2c_hid_ll_driver;
> -       hid->hid_get_raw_report = i2c_hid_get_raw_report;
>         hid->hid_output_raw_report = i2c_hid_output_raw_report;
>         hid->dev.parent = &client->dev;
>         ACPI_COMPANION_SET(&hid->dev, ACPI_COMPANION(&client->dev));
> diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
> index 438c9f1..7358346 100644
> --- a/drivers/hid/uhid.c
> +++ b/drivers/hid/uhid.c
> @@ -421,7 +421,6 @@ static int uhid_dev_create(struct uhid_device *uhid,
>         hid->uniq[63] = 0;
>
>         hid->ll_driver = &uhid_hid_driver;
> -       hid->hid_get_raw_report = uhid_hid_get_raw;
>         hid->hid_output_raw_report = uhid_hid_output_raw;
>         hid->bus = ev->u.create.bus;
>         hid->vendor = ev->u.create.vendor;
> diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
> index 406497b..b9a770f 100644
> --- a/drivers/hid/usbhid/hid-core.c
> +++ b/drivers/hid/usbhid/hid-core.c
> @@ -1289,7 +1289,6 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
>
>         usb_set_intfdata(intf, hid);
>         hid->ll_driver = &usb_hid_driver;
> -       hid->hid_get_raw_report = usbhid_get_raw_report;
>         hid->hid_output_raw_report = usbhid_output_raw_report;
>         hid->ff_init = hid_pidff_init;
>  #ifdef CONFIG_USB_HIDDEV
> diff --git a/include/linux/hid.h b/include/linux/hid.h
> index 38c307b..c56681a 100644
> --- a/include/linux/hid.h
> +++ b/include/linux/hid.h
> @@ -508,9 +508,6 @@ struct hid_device {                                                 /* device report descriptor */
>                                   struct hid_usage *, __s32);
>         void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
>
> -       /* handler for raw input (Get_Report) data, used by hidraw */
> -       int (*hid_get_raw_report) (struct hid_device *, unsigned char, __u8 *, size_t, unsigned char);
> -
>         /* handler for raw output data, used by hidraw */
>         int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);
>
> diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
> index 02670b3..77c4bad 100644
> --- a/net/bluetooth/hidp/core.c
> +++ b/net/bluetooth/hidp/core.c
> @@ -773,7 +773,6 @@ static int hidp_setup_hid(struct hidp_session *session,
>         hid->dev.parent = &session->conn->hcon->dev;
>         hid->ll_driver = &hidp_hid_driver;
>
> -       hid->hid_get_raw_report = hidp_get_raw_report;
>         hid->hid_output_raw_report = hidp_output_raw_report;
>
>         /* True if device is blacklisted in drivers/hid/hid-core.c */
> --
> 1.8.3.1
>
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