From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v2] iommu/rockchip: make clock handling optional Date: Tue, 01 May 2018 11:57:29 +0200 Message-ID: <1951663.B4MoXU0Rz2@phil> References: <20180417120915.31535-1-heiko@sntech.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180417120915.31535-1-heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org> 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: joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org Cc: jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org, vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org, tomeu-XCtybt49RKsYaV1qd6yewg@public.gmane.org List-Id: linux-rockchip.vger.kernel.org Ho Joerg, Am Dienstag, 17. April 2018, 14:09:15 CEST schrieb Heiko Stuebner: > iommu clocks are optional, so the driver should not fail if they are not > present. Instead just set the number of clocks to 0, which the clk-blk APIs > can handle just fine. > > Fixes: f2e3a5f557ad ("iommu/rockchip: Control clocks needed to access the IOMMU") > Signed-off-by: Heiko Stuebner > Reviewed-by: Robin Murphy could you pick up this patch as fix for 4.17 please? As without it, we loose display output with old devicetrees. Thanks Heiko