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Blame 0612-usb3-superspeed-descriptors.patch

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From 81e37421158a28277c9857ba733da4371cb06129 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Tue, 28 Aug 2012 17:28:50 +0200
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Subject: [PATCH] usb3: superspeed descriptors
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Add superspeed descriptor entry to USBDesc,
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advertise superspeed support when present.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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 hw/usb/desc.c | 10 +++++++++-
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 hw/usb/desc.h |  1 +
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 2 files changed, 10 insertions(+), 1 deletion(-)
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diff --git a/hw/usb/desc.c b/hw/usb/desc.c
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index 0a9d3c9..3e8c6cb 100644
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--- a/hw/usb/desc.c
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+++ b/hw/usb/desc.c
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@@ -359,6 +359,9 @@ static void usb_desc_setdefaults(USBDevice *dev)
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     case USB_SPEED_HIGH:
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         dev->device = desc->high;
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         break;
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+    case USB_SPEED_SUPER:
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+        dev->device = desc->super;
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+        break;
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     }
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     usb_desc_set_config(dev, 0);
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 }
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@@ -376,6 +379,9 @@ void usb_desc_init(USBDevice *dev)
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     if (desc->high) {
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         dev->speedmask |= USB_SPEED_MASK_HIGH;
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     }
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+    if (desc->super) {
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+        dev->speedmask |= USB_SPEED_MASK_SUPER;
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+    }
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     usb_desc_setdefaults(dev);
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 }
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@@ -384,7 +390,9 @@ void usb_desc_attach(USBDevice *dev)
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     const USBDesc *desc = usb_device_get_usb_desc(dev);
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     assert(desc != NULL);
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-    if (desc->high && (dev->port->speedmask & USB_SPEED_MASK_HIGH)) {
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+    if (desc->super && (dev->port->speedmask & USB_SPEED_MASK_SUPER)) {
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+        dev->speed = USB_SPEED_SUPER;
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+    } else if (desc->high && (dev->port->speedmask & USB_SPEED_MASK_HIGH)) {
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         dev->speed = USB_SPEED_HIGH;
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     } else if (desc->full && (dev->port->speedmask & USB_SPEED_MASK_FULL)) {
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         dev->speed = USB_SPEED_FULL;
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diff --git a/hw/usb/desc.h b/hw/usb/desc.h
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index 7cf5442..d89fa41 100644
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--- a/hw/usb/desc.h
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+++ b/hw/usb/desc.h
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@@ -152,6 +152,7 @@ struct USBDesc {
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     USBDescID                 id;
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     const USBDescDevice       *full;
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     const USBDescDevice       *high;
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+    const USBDescDevice       *super;
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     const char* const         *str;
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 };
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-- 
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1.7.12.1
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