linux-kernel - [PATCH] VFIO: platform: allow the driver to bind to any device explicitly via sysfs

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Date:	Fri, 11 Oct 2013 01:27:20 -0500
From:	Kim Phillips <kim.phillips@...aro.org>
To:	Bhushan Bharat <R65777@...escale.com>,
	Wood Scott <B07421@...escale.com>,
	Yoder Stuart <B08248@...escale.com>,
	christoffer.dall@...aro.org, alex.williamson@...hat.com,
	linux-kernel@...r.kernel.org, a.motakis@...tualopensystems.com,
	agraf@...e.de, Sethi Varun <B16395@...escale.com>,
	peter.maydell@...aro.org, santosh.shukla@...aro.org,
	kvm@...r.kernel.org, gregkh@...uxfoundation.org
Subject: [PATCH] VFIO: platform: allow the driver to bind to any device explicitly via sysfs

Set match_any_dev and sysfs_bind_only such that echoing a platform
device ID to the driver sysfs bind file will successfully match and bind
the device to the vfio-platform meta-driver in accordance to the
desired semantics for vfio drivers.

Signed-off-by: Kim Phillips <kim.phillips@...aro.org>
---
this patch depends on the vfio-platform WIP:

http://www.spinics.net/lists/kvm/msg96701.html

 drivers/vfio/vfio_platform.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/vfio/vfio_platform.c b/drivers/vfio/vfio_platform.c
index b92d7bb..c42d50d 100644
--- a/drivers/vfio/vfio_platform.c
+++ b/drivers/vfio/vfio_platform.c
@@ -297,7 +297,9 @@ static struct platform_driver vfio_platform_driver = {
 		.name	= "vfio-platform",
 		.owner	= THIS_MODULE,
 		.of_match_table = vfio_platform_match,
+		.sysfs_bind_only = true,
 	},
+	.match_any_dev = true,
 };
 
 module_platform_driver(vfio_platform_driver);
-- 
1.8.4

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