linux-kernel - [PATCH v2 2/3] usb: gadget: send usb_gadget as an argument in get_config

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Date:   Wed, 8 May 2019 13:24:50 +0530
From:   Anurag Kumar Vulisha <anurag.kumar.vulisha@...inx.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Felipe Balbi <balbi@...nel.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        "Claus H. Stovgaard" <cst@...seone.com>
CC:     <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <v.anuragkumar@...il.com>,
        Anurag Kumar Vulisha <anurag.kumar.vulisha@...inx.com>
Subject: [PATCH v2 2/3] usb: gadget: send usb_gadget as an argument in get_config_params

Passing struct usb_gadget * as an extra argument in get_config_params
makes gadget drivers to easily update the U1DevExitLat & U2DevExitLat
values based on the values passed from the device tree. This patch
does the same

Signed-off-by: Anurag Kumar Vulisha <anurag.kumar.vulisha@...inx.com>
---
 Changes in v2:
	- None
---
 drivers/usb/gadget/composite.c | 2 +-
 include/linux/usb/gadget.h     | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index b8a1584..9118b42 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -653,7 +653,7 @@ static int bos_desc(struct usb_composite_dev *cdev)
 
 		/* Get Controller configuration */
 		if (cdev->gadget->ops->get_config_params) {
-			cdev->gadget->ops->get_config_params(
+			cdev->gadget->ops->get_config_params(cdev->gadget,
 				&dcd_config_params);
 		} else {
 			dcd_config_params.bU1devExitLat =
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 7595056..fb19141 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -310,7 +310,8 @@ struct usb_gadget_ops {
 	int	(*pullup) (struct usb_gadget *, int is_on);
 	int	(*ioctl)(struct usb_gadget *,
 				unsigned code, unsigned long param);
-	void	(*get_config_params)(struct usb_dcd_config_params *);
+	void	(*get_config_params)(struct usb_gadget *,
+				     struct usb_dcd_config_params *);
 	int	(*udc_start)(struct usb_gadget *,
 			struct usb_gadget_driver *);
 	int	(*udc_stop)(struct usb_gadget *);
-- 
2.1.1