Re: [PATCH 2/5] USB: Provide USB boot device availability notification

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Hello.

David VomLehn wrote:

From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

Use boot device discovery infrastructure to report availability of USB
devices.

Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David VomLehn <dvomlehn@xxxxxxxxx>

[...]

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index be86ae3..01a9b76 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -37,6 +37,20 @@
 #endif
 #endif
+/* The mask of possible USB boot devices depends on what drivers and
+ * options have been configured into the kernel.  There are too many
+ * USB network config options to list here, so just assume it is always
+ * possible to have a USB network device.
+ */
+static int usb_bootdev_mask = 0
+#ifdef CONFIG_USB_SERIAL_CONSOLE
+				| BOOTDEV_CONSOLE_MASK
+#endif
+#if defined(CONFIG_USB_STORAGE) | defined(CONFIG_BLK_DEV_UB)

   It should be ||, not bitwise | here, no?

WBR, Sergei
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