From f5c61225cf29c4f97e544ad7bd088256303acf97 Mon Sep 17 00:00:00 2001 From: John Youn Date: Fri, 5 Feb 2016 17:06:21 -0800 Subject: [PATCH] usb: gadget: Update function for SuperSpeedPlus Add a ssp_descriptors member to struct usb_function and handle the initialization and cleanup of it. This holds the SuperSpeedPlus descriptors for a function that supports SuperSpeedPlus. This is added by usb_assign_descriptors(). Signed-off-by: John Youn Signed-off-by: Felipe Balbi --- drivers/usb/gadget/config.c | 6 ++++++ include/linux/usb/composite.h | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c index 62ba4c1b69ec..e6c0542a063b 100644 --- a/drivers/usb/gadget/config.c +++ b/drivers/usb/gadget/config.c @@ -183,6 +183,11 @@ int usb_assign_descriptors(struct usb_function *f, if (!f->ss_descriptors) goto err; } + if (ssp && gadget_is_superspeed_plus(g)) { + f->ssp_descriptors = usb_copy_descriptors(ssp); + if (!f->ssp_descriptors) + goto err; + } return 0; err: usb_free_all_descriptors(f); @@ -195,6 +200,7 @@ void usb_free_all_descriptors(struct usb_function *f) usb_free_descriptors(f->fs_descriptors); usb_free_descriptors(f->hs_descriptors); usb_free_descriptors(f->ss_descriptors); + usb_free_descriptors(f->ssp_descriptors); } EXPORT_SYMBOL_GPL(usb_free_all_descriptors); diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 1074b8921a5d..9ff1e465d307 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -126,6 +126,10 @@ struct usb_os_desc_table { * string identifiers assigned during @bind(). If this * pointer is null after initiation, the function will not * be available at super speed. + * @ssp_descriptors: Table of super speed plus descriptors, using + * interface and string identifiers assigned during @bind(). If + * this pointer is null after initiation, the function will not + * be available at super speed plus. * @config: assigned when @usb_add_function() is called; this is the * configuration with which this function is associated. * @os_desc_table: Table of (interface id, os descriptors) pairs. The function @@ -186,6 +190,7 @@ struct usb_function { struct usb_descriptor_header **fs_descriptors; struct usb_descriptor_header **hs_descriptors; struct usb_descriptor_header **ss_descriptors; + struct usb_descriptor_header **ssp_descriptors; struct usb_configuration *config; -- 2.45.2