From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Szyprowski Subject: [PATCH] iommu: exynos: make driver multiarch friendly Date: Fri, 24 Oct 2014 09:41:00 +0200 Message-ID: <1414136460-31374-1-git-send-email-m.szyprowski@samsung.com> References: <1987006.J2W7PED0yz@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <1987006.J2W7PED0yz@wuerfel> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Arnd Bergmann List-Id: linux-samsung-soc@vger.kernel.org Initialize all structures and register to iommu subsystem only on Exynos compatible platforms. Signed-off-by: Marek Szyprowski Acked-by: Arnd Bergmann --- drivers/iommu/exynos-iommu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 7423318..a77350e 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -1188,6 +1189,11 @@ static int __init exynos_iommu_init(void) { int ret; + if (!of_machine_is_compatible("samsung,exynos3") && + !of_machine_is_compatible("samsung,exynos4") && + !of_machine_is_compatible("samsung,exynos5")) + return -ENODEV; + lv2table_kmem_cache = kmem_cache_create("exynos-iommu-lv2table", LV2TABLE_SIZE, LV2TABLE_SIZE, 0, NULL); if (!lv2table_kmem_cache) { -- 1.9.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: m.szyprowski@samsung.com (Marek Szyprowski) Date: Fri, 24 Oct 2014 09:41:00 +0200 Subject: [PATCH] iommu: exynos: make driver multiarch friendly In-Reply-To: <1987006.J2W7PED0yz@wuerfel> References: <1987006.J2W7PED0yz@wuerfel> Message-ID: <1414136460-31374-1-git-send-email-m.szyprowski@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Initialize all structures and register to iommu subsystem only on Exynos compatible platforms. Signed-off-by: Marek Szyprowski Acked-by: Arnd Bergmann --- drivers/iommu/exynos-iommu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 7423318..a77350e 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -1188,6 +1189,11 @@ static int __init exynos_iommu_init(void) { int ret; + if (!of_machine_is_compatible("samsung,exynos3") && + !of_machine_is_compatible("samsung,exynos4") && + !of_machine_is_compatible("samsung,exynos5")) + return -ENODEV; + lv2table_kmem_cache = kmem_cache_create("exynos-iommu-lv2table", LV2TABLE_SIZE, LV2TABLE_SIZE, 0, NULL); if (!lv2table_kmem_cache) { -- 1.9.2