From 16caf1fa37db4722d8d8c7bc26177279949d75a6 Mon Sep 17 00:00:00 2001 From: Loic Poulain Date: Tue, 4 Sep 2018 17:18:55 +0200 Subject: usb: chipidea: Add dynamic pinctrl selection Some hardware implementations require to configure pins differently according to the USB role (host/device), this can be an update of the pins routing or a simple GPIO value change. This patch introduces new optional "host" and "device" pinctrls. If these pinctrls are defined by the device, they are respectively selected on host/device role start. If a default pinctrl exist, it is restored on host/device role stop. Signed-off-by: Loic Poulain Signed-off-by: Peter Chen --- include/linux/usb/chipidea.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/usb') diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 07f99362bc90..63758c399e4e 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -77,6 +77,12 @@ struct ci_hdrc_platform_data { struct ci_hdrc_cable vbus_extcon; struct ci_hdrc_cable id_extcon; u32 phy_clkgate_delay_us; + + /* pins */ + struct pinctrl *pctl; + struct pinctrl_state *pins_default; + struct pinctrl_state *pins_host; + struct pinctrl_state *pins_device; }; /* Default offset of capability registers */ -- cgit v1.2.3 From f3edc2dbe0ad0bbbd8450cd37328f99acf215fd8 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 1 Oct 2018 17:02:43 +0100 Subject: net: usbnet: make driver_info const The driver_info field that is used for describing each of the usb-net drivers using the usbnet.c core all declare their information as const and the usbnet.c itself does not try and modify the struct. It is therefore a good idea to make this const in the usbnet.c structure in case anyone tries to modify it. Signed-off-by: Ben Dooks Signed-off-by: Ben Dooks Signed-off-by: David S. Miller --- include/linux/usb/usbnet.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux/usb') diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index e2ec3582e549..d8860f2d0976 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -28,7 +28,7 @@ struct usbnet { /* housekeeping */ struct usb_device *udev; struct usb_interface *intf; - struct driver_info *driver_info; + const struct driver_info *driver_info; const char *driver_name; void *driver_priv; wait_queue_head_t wait; -- cgit v1.2.3 From 81732b26e05994552f347746eb11762e986079a0 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 11 Sep 2018 23:28:07 -0400 Subject: usb-serial: begin switching to ->[sg]et_serial() add such methods for usb_serial_driver, provide tty_operations ->[sg]et_serial() calling those. For now the lack of methods in driver means ENOIOCTLCMD from usb-serial ->[sg]et_serial(), making tty_ioctl() fall back to calling ->ioctl(). Once all drivers are converted, we'll be returning -ENOTTY instead, completing the switchover. Reviewed-by: Johan Hovold Signed-off-by: Al Viro --- include/linux/usb/serial.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/usb') diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 106551a5616e..1c19f77ed541 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -285,6 +285,8 @@ struct usb_serial_driver { int (*write_room)(struct tty_struct *tty); int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); + int (*get_serial)(struct tty_struct *tty, struct serial_struct *ss); + int (*set_serial)(struct tty_struct *tty, struct serial_struct *ss); void (*set_termios)(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old); void (*break_ctl)(struct tty_struct *tty, int break_state); -- cgit v1.2.3