From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout1.w1.samsung.com ([210.118.77.11]:26478 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754690AbaGUNKy (ORCPT ); Mon, 21 Jul 2014 09:10:54 -0400 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N9200FPOCLYFM10@mailout1.w1.samsung.com> for linux-media@vger.kernel.org; Mon, 21 Jul 2014 14:10:46 +0100 (BST) Message-id: <53CD1155.106@samsung.com> Date: Mon, 21 Jul 2014 15:10:45 +0200 From: Sylwester Nawrocki MIME-version: 1.0 To: Shaik Ameer Basha Cc: linux-media@vger.kernel.org, pawel@osciak.com, shaik.samsung@gmail.com, joshi@samsung.com Subject: Re: [PATCH] [media] exynos-gsc: Remove PM_RUNTIME dependency References: <1405918488-26142-1-git-send-email-shaik.ameer@samsung.com> In-reply-to: <1405918488-26142-1-git-send-email-shaik.ameer@samsung.com> Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 21/07/14 06:54, Shaik Ameer Basha wrote: > 1] Currently Gscaler clock is enabled only inside pm_runtime callbacks. > If PM_RUNTIME is disabled, driver hangs. This patch removes the > PM_RUNTIME dependency by keeping the clock enable/disable functions > in m2m start/stop streaming callbacks. > > 2] For Exynos5420/5800, Gscaler clock has to be Turned ON before powering > on/off the Gscaler power domain. This dependency is taken care by > this patch at driver level. > > Signed-off-by: Shaik Ameer Basha Acked-by: Sylwester Nawrocki -- Regards, Sylwester