linux-kernel - [PATCH v4-rebased 7/7] iommu/core: remove the temporary pgsize settings

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Message-Id: <1320917551-11328-8-git-send-email-ohad@wizery.com>
Date:	Thu, 10 Nov 2011 11:32:31 +0200
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	<iommu@...ts.linux-foundation.org>
Cc:	<linux-omap@...r.kernel.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Joerg Roedel <Joerg.Roedel@....com>,
	David Woodhouse <dwmw2@...radead.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	David Brown <davidb@...eaurora.org>,
	Arnd Bergmann <arnd@...db.de>, <linux-kernel@...r.kernel.org>,
	Hiroshi Doyu <hdoyu@...dia.com>,
	Stepan Moskovchenko <stepanm@...eaurora.org>,
	KyongHo Cho <pullip.cho@...sung.com>,
	Ohad Ben-Cohen <ohad@...ery.com>
Subject: [PATCH v4-rebased 7/7] iommu/core: remove the temporary pgsize settings

Now that all IOMMU drivers are exporting their supported pgsizes,
we can remove the default pgsize settings in register_iommu().

Signed-off-by: Ohad Ben-Cohen <ohad@...ery.com>
---
 drivers/iommu/iommu.c |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index b278458..84cdd8a 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -49,16 +49,6 @@ int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops)
 	if (bus->iommu_ops != NULL)
 		return -EBUSY;
 
-	/*
-	 * Set the default pgsize values, which retain the existing
-	 * IOMMU API behavior: drivers will be called to map
-	 * regions that are sized/aligned to order of 4KiB pages.
-	 *
-	 * This will be removed once all drivers are migrated.
-	 */
-	if (!ops->pgsize_bitmap)
-		ops->pgsize_bitmap = ~0xFFFUL;
-
 	bus->iommu_ops = ops;
 
 	/* Do IOMMU specific setup for this bus-type */
-- 
1.7.5.4

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