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authorT Karthik Reddy <t.karthik.reddy@xilinx.com>2019-10-14 14:52:50 +0200
committerMarek Vasut <marek.vasut+renesas@gmail.com>2019-11-07 00:24:59 +0100
commitf69257baa8323ffdc5b4fb6af200f9994a2003bd (patch)
tree9200c51327c62f8872cda904545372ef9b4f235d /include/linux
parentd80effb1847822e521cda17b4c73c83629b035d0 (diff)
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usb: composite: add BOS descriptor support to composite framework
To add usb-3.0 support to peripheral device add BOS & SS capability descriptors to gadget composite framework. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Roger Quadros <rogerq@ti.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/usb/ch9.h3
-rw-r--r--include/linux/usb/gadget.h9
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 264c9712a3..989a5fcbd9 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -878,6 +878,9 @@ struct usb_ss_cap_descriptor { /* Link Power Management */
__le16 bU2DevExitLat;
} __attribute__((packed));
+#define USB_DEFAULT_U1_DEV_EXIT_LAT 0x01 /* Less then 1 microsec */
+#define USB_DEFAULT_U2_DEV_EXIT_LAT 0x01F4 /* Less then 500 microsec */
+
#define USB_DT_USB_SS_CAP_SIZE 10
/*
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 66794d7894..06292ddeb6 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -592,6 +592,15 @@ static inline int gadget_is_otg(struct usb_gadget *g)
}
/**
+ * gadget_is_superspeed() - return true if the hardware handles superspeed
+ * @g: controller that might support superspeed
+ */
+static inline int gadget_is_superspeed(struct usb_gadget *g)
+{
+ return g->max_speed >= USB_SPEED_SUPER;
+}
+
+/**
* usb_gadget_frame_number - returns the current frame number
* @gadget: controller that reports the frame number
*