From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@kernel.org (Kevin Hilman) Date: Tue, 31 Mar 2015 14:02:04 -0700 Subject: [RFC PATCH v3 2/2] clk: exynos5420: Make sure MDMA0 clock is enabled during suspend In-Reply-To: <551976F1.1000605@collabora.co.uk> (Javier Martinez Canillas's message of "Mon, 30 Mar 2015 18:16:49 +0200") References: <1427730803-28635-1-git-send-email-javier.martinez@collabora.co.uk> <1427730803-28635-3-git-send-email-javier.martinez@collabora.co.uk> <551976F1.1000605@collabora.co.uk> Message-ID: <7hiodg98z7.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Javier Martinez Canillas writes: [...] > Unfortunately I don't fully understand why this clock needs to be > enabled. It would be good if someone at Samsung can explain in more > detail what the real problem really is. +1 Maybe Abhilash can shed some light here? We really should know *why* this is needed because having the fix in the clock driver just doesn't seem right. It seems like the DMA driver should be managing this clock. Kevin