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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id x83sm2813879wmb.42.2019.07.03.07.17.10 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 03 Jul 2019 07:17:11 -0700 (PDT) From: Jerome Brunet To: Neil Armstrong , khilman@baylibre.com Cc: linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, martin.blumenstingl@googlemail.com, linux-gpio@vger.kernel.org, Neil Armstrong Subject: Re: [RFC/RFT v3 04/14] clk: meson: eeclk: add setup callback In-Reply-To: <20190701091258.3870-5-narmstrong@baylibre.com> References: <20190701091258.3870-1-narmstrong@baylibre.com> <20190701091258.3870-5-narmstrong@baylibre.com> Date: Wed, 03 Jul 2019 16:17:10 +0200 Message-ID: <1jh8836w49.fsf@starbuckisacylon.baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Mon 01 Jul 2019 at 11:12, Neil Armstrong wrote: > Add a setup() callback in the eeclk structure, to call an optional > call() function at end of eeclk probe to setup clocks. > > It's used for the G12A clock controller to setup the CPU clock > notifiers. I'd prefer if you implement the probe function in the related controller have this probe function call meson_eeclkc_probe() for the common part In your case, I suppose it means implementing the g12a controller probe to deal with the notifiers > > Signed-off-by: Neil Armstrong > --- > drivers/clk/meson/meson-eeclk.c | 6 ++++++ > drivers/clk/meson/meson-eeclk.h | 1 + > 2 files changed, 7 insertions(+) > > diff --git a/drivers/clk/meson/meson-eeclk.c b/drivers/clk/meson/meson-eeclk.c > index 6ba2094be257..81fd2abcd173 100644 > --- a/drivers/clk/meson/meson-eeclk.c > +++ b/drivers/clk/meson/meson-eeclk.c > @@ -61,6 +61,12 @@ int meson_eeclkc_probe(struct platform_device *pdev) > } > } > > + if (data->setup) { > + ret = data->setup(pdev); > + if (ret) > + return ret; > + } > + > return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, > data->hw_onecell_data); > } > diff --git a/drivers/clk/meson/meson-eeclk.h b/drivers/clk/meson/meson-eeclk.h > index 9ab5d6fa7ccb..7fdf424f71a6 100644 > --- a/drivers/clk/meson/meson-eeclk.h > +++ b/drivers/clk/meson/meson-eeclk.h > @@ -20,6 +20,7 @@ struct meson_eeclkc_data { > const struct reg_sequence *init_regs; > unsigned int init_count; > struct clk_hw_onecell_data *hw_onecell_data; > + int (*setup)(struct platform_device *pdev); > }; > > int meson_eeclkc_probe(struct platform_device *pdev); > -- > 2.21.0