linux-kernel - [PATCH 5.3 008/180] USB: uas: honor flag to avoid CAPACITY16

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Message-Id: <20191216174807.557919593@linuxfoundation.org>
Date:   Mon, 16 Dec 2019 18:47:28 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Oliver Neukum <oneukum@...e.com>
Subject: [PATCH 5.3 008/180] USB: uas: honor flag to avoid CAPACITY16

From: Oliver Neukum <oneukum@...e.com>

commit bff000cae1eec750d62e265c4ba2db9af57b17e1 upstream.

Copy the support over from usb-storage to get feature parity

Signed-off-by: Oliver Neukum <oneukum@...e.com>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20191114112758.32747-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/storage/uas.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -825,6 +825,10 @@ static int uas_slave_configure(struct sc
 		sdev->wce_default_on = 1;
 	}
 
+	/* Some disks cannot handle READ_CAPACITY_16 */
+	if (devinfo->flags & US_FL_NO_READ_CAPACITY_16)
+		sdev->no_read_capacity_16 = 1;
+
 	/*
 	 * Some disks return the total number of blocks in response
 	 * to READ CAPACITY rather than the highest block number.