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Date: Mon, 3 Feb 2014 17:12:29 +0100
From: David Herrmann <dh.herrmann@...il.com>
To: Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc: Benjamin Tissoires <benjamin.tissoires@...il.com>,
Jiri Kosina <jkosina@...e.cz>,
Frank Praznik <frank.praznik@...rr.com>,
"open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 09/11] HID: remove hid_get_raw_report in struct hid_device
Hi
On Sun, Feb 2, 2014 at 5:50 AM, Benjamin Tissoires
<benjamin.tissoires@...hat.com> 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@...il.com>
Thanks
David
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> ---
> 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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