From: Sascha Hauer <s.hauer@pengutronix.de>
To: James Liao <jamesjj.liao@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
Mike Turquette <mturquette@linaro.org>,
Stephen Boyd <sboyd@codeaurora.org>,
srv_heupstream@mediatek.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Daniel Kurtz <djkurtz@chromium.org>,
Ricky Liang <jcliang@chromium.org>,
Rob Herring <robh+dt@kernel.org>,
linux-mediatek@lists.infradead.org,
Henry Chen <henryc.chen@mediatek.com>,
Sascha Hauer <kernel@pengutronix.de>,
Yingjoe Chen <yingjoe.chen@mediatek.com>,
Eddie Huang <eddie.huang@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 5/5] clk: mediatek: Add USB clock support in MT8173 APMIXEDSYS
Date: Tue, 26 May 2015 10:05:16 +0200 [thread overview]
Message-ID: <20150526080516.GG6325@pengutronix.de> (raw)
In-Reply-To: <1432192376-6712-6-git-send-email-jamesjj.liao@mediatek.com>
On Thu, May 21, 2015 at 03:12:56PM +0800, James Liao wrote:
> Add REF2USB_TX clock support into MT8173 APMIXEDSYS. This clock
> is needed by USB 3.0.
>
> +
> +static struct clk *mtk_clk_register_ref2usb_tx(const char *name,
> + void __iomem *reg)
> +{
> + struct mtk_ref2usb_tx *tx;
> + struct clk_init_data init = {};
> + struct clk *clk;
> + const char *parent_name = "clk26m";
> +
> + tx = kzalloc(sizeof(*tx), GFP_KERNEL);
> + if (!tx)
> + return ERR_PTR(-ENOMEM);
> +
> + tx->base_addr = reg;
> + tx->hw.init = &init;
> +
> + init.name = name;
> + init.ops = &mtk_ref2usb_tx_ops;
> + init.parent_names = &parent_name;
> + init.num_parents = 1;
> +
> + clk = clk_register(NULL, &tx->hw);
> +
> + if (IS_ERR(clk)) {
> + pr_err("Failed to register clk %s: %ld\n", name, PTR_ERR(clk));
> + kfree(tx);
> + }
> +
> + return clk;
> +}
> +
> +static void __init mtk_clk_register_apmixedsys_special(struct device_node *node,
> + struct clk_onecell_data *clk_data)
> +{
> + void __iomem *base;
> + struct clk *clk;
> +
> + base = of_iomap(node, 0);
> + if (!base) {
> + pr_err("%s(): ioremap failed\n", __func__);
> + return;
> + }
> +
> + clk = mtk_clk_register_ref2usb_tx("ref2usb_tx", base + 0x8);
The function seems to be for one special clock only. Why do you pass the
name to it? They will never be called with another name, right?
Sascha
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next prev parent reply other threads:[~2015-05-26 8:05 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-21 7:12 [PATCH 0/5] Add Mediatek MT8173 subsystem clocks support James Liao
2015-05-21 7:12 ` [PATCH 1/5] clk: mediatek: Fix apmixedsys clock registration James Liao
2015-05-26 7:42 ` Sascha Hauer
2015-06-04 21:07 ` Stephen Boyd
2015-05-21 7:12 ` [PATCH 2/5] clk: mediatek: mt8173: Fix enabling of critical clocks James Liao
2015-05-26 7:46 ` Sascha Hauer
2015-05-26 8:36 ` James Liao
2015-05-21 7:12 ` [PATCH 3/5] dt-bindings: ARM: Mediatek: Document devicetree bindings for clock controllers James Liao
2015-05-26 7:56 ` Sascha Hauer
2015-05-26 8:55 ` James Liao
2015-05-26 11:08 ` Sascha Hauer
2015-05-27 6:12 ` Yong Wu
2015-05-27 7:27 ` Sascha Hauer
2015-05-28 5:14 ` Yong Wu
2015-05-21 7:12 ` [PATCH 4/5] clk: mediatek: Add subsystem clocks of MT8173 James Liao
2015-05-22 4:22 ` Daniel Kurtz
2015-05-22 6:03 ` James Liao
2015-06-12 17:09 ` Matthias Brugger
2015-06-15 2:10 ` James Liao
2015-05-21 7:12 ` [PATCH 5/5] clk: mediatek: Add USB clock support in MT8173 APMIXEDSYS James Liao
2015-05-26 8:05 ` Sascha Hauer [this message]
2015-05-26 9:11 ` James Liao
2015-05-26 9:41 ` Sascha Hauer
2015-05-26 9:58 ` James Liao
2015-05-28 13:24 ` [PATCH 0/5] Add Mediatek MT8173 subsystem clocks support Sascha Hauer
2015-05-29 2:47 ` James Liao
2015-05-29 6:23 ` Sascha Hauer
2015-06-04 21:02 ` Stephen Boyd
2015-06-05 1:45 ` James Liao
2015-06-06 0:59 ` Stephen Boyd
2015-06-08 7:27 ` James Liao
2015-06-08 7:48 ` Sascha Hauer
2015-06-11 23:52 ` Stephen Boyd
2015-06-12 17:05 ` Matthias Brugger
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