From mboxrd@z Thu Jan 1 00:00:00 1970 From: trblinux@gmail.com (Tushar Behera) Date: Fri, 11 Jul 2014 17:37:43 +0530 Subject: [PATCH 2/2] clk: exynos-audss: Update as per existing framework In-Reply-To: <53BFBF18.3080704@samsung.com> References: <1405071475-31946-1-git-send-email-tushar.b@samsung.com> <1405071475-31946-3-git-send-email-tushar.b@samsung.com> <53BFBF18.3080704@samsung.com> Message-ID: <53BFD38F.5010805@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/11/2014 04:10 PM, Sylwester Nawrocki wrote: > Hi Tushar, > > On 11/07/14 11:37, Tushar Behera wrote: >> Change exynos-audss clock driver as per existing clock framework from >> the existing module driver framework. > > Can you explain what's the actual issue you're trying to solve with that > patch ? What's the problem with this driver being a platform driver ? > It feels we're moving in circles here, see > > commit b37a4224104568198b93fb9831224cfe7d83fff8 > Author: Andrew Bresticker > Date: Wed Sep 25 14:12:47 2013 -0700 > > clk: exynos-audss: convert to platform device > > The Exynos AudioSS clock controller will later be modified to allow > input clocks to be specified via device-tree in order to support > multiple Exynos SoCs. This will introduce a dependency on the core > SoC clock controller being initialized first so that the AudioSS driver > can look up its input clocks, but the order in which clock providers > are probed in of_clk_init() is not guaranteed. Since deferred probing > is not supported in of_clk_init() and the AudioSS block is not the core > controller, we can initialize it later as a platform device. > > Signed-off-by: Andrew Bresticker > Acked-by: Tomasz Figa > Reviewed-by: Sylwester Nawrocki > Acked-by: Mike Turquette > Acked-by: Kukjin Kim > Signed-off-by: Tomasz Figa > > I realize of_clk_init() now handles better clock provider dependencies, > nevertheless do we really need all this churn ? > I have sent v2 of the patchset while retaining the platform driver infrastructure. Awaiting your review comments on that. > -- > Thanks, > Sylwester > Thanks, -- Tushar Behera