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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: David VomLehn <dvomlehn@cisco.com>,
	linux-usb@vger.kernel.org, gregkh@suse.de,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/5] USB: Provide USB boot device availability notification
Date: Thu, 30 Apr 2009 19:50:56 +0400	[thread overview]
Message-ID: <49F9C8E0.30808@ru.mvista.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0904301131530.20151-100000@netrider.rowland.org>

Alan Stern wrote:

>>>+/* 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?

> No, it should be bitwise |.  The value being constructed is a union of 
> disjoint mask bits.

    I meant the #if line only. Although it shouldn't matter really...

> Alan Stern

WBR, Sergei

  reply	other threads:[~2009-04-30 15:57 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-30  0:09 [PATCH 2/5] USB: Provide USB boot device availability notification David VomLehn
2009-04-30 15:25 ` Sergei Shtylyov
2009-04-30 15:32   ` Alan Stern
2009-04-30 15:50     ` Sergei Shtylyov [this message]
2009-04-30 19:24       ` Alan Stern
2009-04-30 19:49         ` David VomLehn

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