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Re: [PATCH v9 06/10] clk: mediatek: Add MT2701 clock support

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From James Liao <jamesjj.liao@mediatek.com>
Newsgroups linux.kernel
Subject Re: [PATCH v9 06/10] clk: mediatek: Add MT2701 clock support
Date Mon, 15 Aug 2016 05:10:02 +0200
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X-Original-Cc Erin Lo <erin.lo@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, Mike Turquette <mturquette@baylibre.com>, "Rob Herring" <robh@kernel.org>, John Crispin <blogic@openwrt.org>, "Arnd Bergmann" <arnd@arndb.de>, Sascha Hauer <kernel@pengutronix.de>, "Daniel Kurtz" <djkurtz@chromium.org>, Philipp Zabel <p.zabel@pengutronix.de>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <linux-mediatek@lists.infradead.org>, <linux-clk@vger.kernel.org>, <srv_heupstream@mediatek.com>, Shunli Wang <shunli.wang@mediatek.com>
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Hi Stephen,

On Fri, 2016-08-12 at 17:44 -0700, Stephen Boyd wrote:
> On 06/22, Erin Lo wrote:
> > diff --git a/drivers/clk/mediatek/clk-mt2701-bdp.c b/drivers/clk/mediatek/clk-mt2701-bdp.c
> > new file mode 100644
> > index 0000000..81f628c
> > --- /dev/null
> > +++ b/drivers/clk/mediatek/clk-mt2701-bdp.c
> > @@ -0,0 +1,140 @@
> > +/*
> > + * Copyright (c) 2014 MediaTek Inc.
> > + * Author: Shunli Wang <shunli.wang@mediatek.com>
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License version 2 as
> > + * published by the Free Software Foundation.
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + */
> > +
> > +#include <linux/clk.h>
> 
> Is this include used? I would expect clk-provider.h instead.

Yes, it can be replaced with clk-provider.h. I'll change it in next
patch series.

> > +#include <linux/platform_device.h>
> > +
> > +#include "clk-mtk.h"
> > +#include "clk-gate.h"
> > +
> > +#include <dt-bindings/clock/mt2701-clk.h>
> > +
> [..]
> > +
> > +static void mtk_bdpsys_init(struct device_node *node)
> > +{
> > +	struct clk_onecell_data *clk_data;
> > +	int r;
> > +
> > +	clk_data = mtk_alloc_clk_data(CLK_BDP_NR);
> > +
> > +	mtk_clk_register_gates(node, bdp_clks, ARRAY_SIZE(bdp_clks),
> > +						clk_data);
> > +
> > +	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
> 
> Is it possible to move to of_clk_add_hw_provider()? It can be
> done later if that would mean changing all
> mtk_clk_register_gates() users.

I would like to keep current implementation due to test/integration
effort. I prefer to apply clk_hw related APIs on new clk drivers instead
of modify existing drivers.


Best regards,

James

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Thread

Re: [PATCH v9 06/10] clk: mediatek: Add MT2701 clock support Stephen Boyd <sboyd@codeaurora.org> - 2016-08-13 02:50 +0200
  Re: [PATCH v9 06/10] clk: mediatek: Add MT2701 clock support James Liao <jamesjj.liao@mediatek.com> - 2016-08-15 05:10 +0200
    Re: [PATCH v9 06/10] clk: mediatek: Add MT2701 clock support Stephen Boyd <sboyd@codeaurora.org> - 2016-08-15 20:20 +0200

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