From: Krzysztof Hałasa <khalasa@piap.pl>
Date: Mon, 8 Jun 2015 13:42:24 +0000 (-0300)
Subject: [media] SOLO6x10: remove unneeded register locking and barriers
X-Git-Tag: omap-for-v4.3/fixes-rc1~26^2~244
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1ceb25a1569ce5b61b9c496dd32d038ba8cb936;p=pandora-kernel.git

[media] SOLO6x10: remove unneeded register locking and barriers

readl() and writel() are atomic, we don't need the spin lock.
Also, flushing posted write buffer isn't required. Especially on read :-)

Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/pci/solo6x10/solo6x10-core.c b/drivers/media/pci/solo6x10/solo6x10-core.c
index 84627e6f7377..9c948b1fc1d8 100644
--- a/drivers/media/pci/solo6x10/solo6x10-core.c
+++ b/drivers/media/pci/solo6x10/solo6x10-core.c
@@ -483,7 +483,6 @@ static int solo_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	solo_dev->type = id->driver_data;
 	solo_dev->pdev = pdev;
-	spin_lock_init(&solo_dev->reg_io_lock);
 	ret = v4l2_device_register(&pdev->dev, &solo_dev->v4l2_dev);
 	if (ret)
 		goto fail_probe;
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