>
> No idea why this driver is using a char device node, statically allocated,
> with no
> dynamic allocation or hook up with devtmpfs, along with a reserverd major
> number,
> for "special" operations, not all of which ever were implemented.
>
> So just rip it out, as no one must be using it because no modern system will
> ever
> actually create the /dev/ node it needs.
>
Add related people from NXP.
Peter
> Cc: Felipe Balbi <ba...@kernel.org>
> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> ---
> drivers/usb/phy/phy-fsl-usb.c | 69 -----------------------------------
> drivers/usb/phy/phy-fsl-usb.h | 14 -------
> 2 files changed, 83 deletions(-)
>
> diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
> index
> 93d2257aeec8..0c6d9f9f2994 100644
> --- a/drivers/usb/phy/phy-fsl-usb.c
> +++ b/drivers/usb/phy/phy-fsl-usb.c
> @@ -957,67 +957,6 @@ int usb_otg_start(struct platform_device *pdev)
> return 0;
> }
>
> -/* Char driver interface to control some OTG input */
> -
> -/*
> - * Handle some ioctl command, such as get otg
> - * status and set host suspend
> - */
> -static long fsl_otg_ioctl(struct file *file, unsigned int cmd,
> - unsigned long arg)
> -{
> - u32 retval = 0;
> -
> - switch (cmd) {
> - case GET_OTG_STATUS:
> - retval = fsl_otg_dev->host_working;
> - break;
> -
> - case SET_A_SUSPEND_REQ:
> - fsl_otg_dev->fsm.a_suspend_req_inf = arg;
> - break;
> -
> - case SET_A_BUS_DROP:
> - fsl_otg_dev->fsm.a_bus_drop = arg;
> - break;
> -
> - case SET_A_BUS_REQ:
> - fsl_otg_dev->fsm.a_bus_req = arg;
> - break;
> -
> - case SET_B_BUS_REQ:
> - fsl_otg_dev->fsm.b_bus_req = arg;
> - break;
> -
> - default:
> - break;
> - }
> -
> - otg_statemachine(&fsl_otg_dev->fsm);
> -
> - return retval;
> -}
> -
> -static int fsl_otg_open(struct inode *inode, struct file *file) -{
> - return 0;
> -}
> -
> -static int fsl_otg_release(struct inode *inode, struct file *file) -{
> - return 0;
> -}
> -
> -static const struct file_operations otg_fops = {
> - .owner = THIS_MODULE,
> - .llseek = NULL,
> - .read = NULL,
> - .write = NULL,
> - .unlocked_ioctl = fsl_otg_ioctl,
> - .open = fsl_otg_open,
> - .release = fsl_otg_release,
> -};
> -
> static int fsl_otg_probe(struct platform_device *pdev) {
> int ret;
> @@ -1039,12 +978,6 @@ static int fsl_otg_probe(struct platform_device *pdev)
> return ret;
> }
>
> - ret = register_chrdev(FSL_OTG_MAJOR, FSL_OTG_NAME, &otg_fops);
> - if (ret) {
> - dev_err(&pdev->dev, "unable to register FSL OTG device\n");
> - return ret;
> - }
> -
> return ret;
> }
>
> @@ -1061,8 +994,6 @@ static int fsl_otg_remove(struct platform_device *pdev)
> kfree(fsl_otg_dev->phy.otg);
> kfree(fsl_otg_dev);
>
> - unregister_chrdev(FSL_OTG_MAJOR, FSL_OTG_NAME);
> -
> if (pdata->exit)
> pdata->exit(pdev);
>
> diff --git a/drivers/usb/phy/phy-fsl-usb.h b/drivers/usb/phy/phy-fsl-usb.h
> index
> fbcc28ad9964..d70341ae5a92 100644
> --- a/drivers/usb/phy/phy-fsl-usb.h
> +++ b/drivers/usb/phy/phy-fsl-usb.h
> @@ -371,21 +371,7 @@ struct fsl_otg_config {
> u8 otg_port;
> };
>
> -/* For SRP and HNP handle */
> -#define FSL_OTG_MAJOR 240
> #define FSL_OTG_NAME "fsl-usb2-otg"
> -/* Command to OTG driver ioctl */
> -#define OTG_IOCTL_MAGIC FSL_OTG_MAJOR
> -/* if otg work as host, it should return 1, otherwise return 0 */
> -#define GET_OTG_STATUS _IOR(OTG_IOCTL_MAGIC, 1, int)
> -#define SET_A_SUSPEND_REQ _IOW(OTG_IOCTL_MAGIC, 2, int)
> -#define SET_A_BUS_DROP _IOW(OTG_IOCTL_MAGIC, 3, int)
> -#define SET_A_BUS_REQ _IOW(OTG_IOCTL_MAGIC, 4, int)
> -#define SET_B_BUS_REQ _IOW(OTG_IOCTL_MAGIC, 5, int)
> -#define GET_A_SUSPEND_REQ _IOR(OTG_IOCTL_MAGIC, 6, int)
> -#define GET_A_BUS_DROP _IOR(OTG_IOCTL_MAGIC, 7, int)
> -#define GET_A_BUS_REQ _IOR(OTG_IOCTL_MAGIC, 8, int)
> -#define GET_B_BUS_REQ _IOR(OTG_IOCTL_MAGIC, 9, int)
>
> void fsl_otg_add_timer(struct otg_fsm *fsm, void *timer); void
> fsl_otg_del_timer(struct otg_fsm *fsm, void *timer);
> --
> 2.27.0
