From: Lu Baolu <baolu.lu@linux.intel.com>
To: Mathias Nyman <mathias.nyman@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH 1/1] usb: xhci: fix comment for PORT_DEV_REMOVE
Date: Wed, 17 Sep 2014 11:06:49 +0800 [thread overview]
Message-ID: <1410923209-49284-1-git-send-email-baolu.lu@linux.intel.com> (raw)
According to xHCI specification, PORT_DEV_REMOVE(bit 30) in PORTSC
true means "Device is non-removable".
Reported-by: Juro Bystricky <jurobystricky@hotmail.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
drivers/usb/host/xhci.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index dace515..2682f18 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -358,7 +358,7 @@ struct xhci_op_regs {
/* wake on over-current (enable) */
#define PORT_WKOC_E (1 << 27)
/* bits 28:29 reserved */
-/* true: device is removable - for USB 3.0 roothub emulation */
+/* true: device is non-removable - for USB 3.0 roothub emulation */
#define PORT_DEV_REMOVE (1 << 30)
/* Initiate a warm port reset - complete when PORT_WRC is '1' */
#define PORT_WR (1 << 31)
--
1.9.1
reply other threads:[~2014-09-17 3:14 UTC|newest]
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