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Mon, 9 Nov 2020 10:03:52 +0800 From: Weiyi Lu To: Matthias Brugger , Rob Herring , Stephen Boyd , Nicolas Boichat Subject: [PATCH v5 09/24] clk: mediatek: Add mtk_clk_simple_probe() to simplify clock providers Date: Mon, 9 Nov 2020 10:03:34 +0800 Message-ID: <1604887429-29445-10-git-send-email-weiyi.lu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1604887429-29445-1-git-send-email-weiyi.lu@mediatek.com> References: <1604887429-29445-1-git-send-email-weiyi.lu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201108_210409_032639_F264C9AE X-CRM114-Status: GOOD ( 15.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Weiyi Lu , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Yingjoe Chen , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Most of subsystem clock providers only need to register clock gates in their probe() function. To reduce the duplicated code by add a generic function. Signed-off-by: Weiyi Lu --- drivers/clk/mediatek/clk-mtk.c | 23 +++++++++++++++++++++++ drivers/clk/mediatek/clk-mtk.h | 8 ++++++++ 2 files changed, 31 insertions(+) diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index cec1c8a..67693b7 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "clk-mtk.h" #include "clk-gate.h" @@ -286,3 +287,25 @@ void mtk_clk_register_dividers(const struct mtk_clk_divider *mcds, clk_data->clks[mcd->id] = clk; } } + +int mtk_clk_simple_probe(struct platform_device *pdev) +{ + const struct mtk_clk_desc *mcd; + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + mcd = of_device_get_match_data(&pdev->dev); + if (!mcd) + return -EINVAL; + + clk_data = mtk_alloc_clk_data(mcd->num_clks); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, mcd->clks, mcd->num_clks, clk_data); + if (r) + return r; + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index c580663..2f61fba 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -10,6 +10,7 @@ #include #include #include +#include struct clk; struct clk_onecell_data; @@ -250,4 +251,11 @@ void mtk_register_reset_controller(struct device_node *np, void mtk_register_reset_controller_set_clr(struct device_node *np, unsigned int num_regs, int regofs); +struct mtk_clk_desc { + const struct mtk_gate *clks; + size_t num_clks; +}; + +int mtk_clk_simple_probe(struct platform_device *pdev); + #endif /* __DRV_CLK_MTK_H */