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Fri, 27 Dec 2019 18:54:19 -0800 Received: from MTKMBS32N1.mediatek.inc (172.27.4.71) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 27 Dec 2019 18:54:24 -0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS32N1.mediatek.inc (172.27.4.71) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 28 Dec 2019 10:53:43 +0800 Received: from [10.17.3.153] (172.27.4.253) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 28 Dec 2019 10:54:44 +0800 Message-ID: <1577501595.21256.8.camel@mhfsdcap03> Subject: Re: [PATCH v3 3/6] phy: amlogic: Add Amlogic A1 USB2 PHY Driver From: Chunfeng Yun To: Hanjie Lin Date: Sat, 28 Dec 2019 10:53:15 +0800 In-Reply-To: <1577428606-69855-4-git-send-email-hanjie.lin@amlogic.com> References: <1577428606-69855-1-git-send-email-hanjie.lin@amlogic.com> <1577428606-69855-4-git-send-email-hanjie.lin@amlogic.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 7D6A139BDF8753CECA92F2F08A4142A8071CBE782207FE70DB2AA7114E397CFB2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191227_185424_668926_3EDC882C X-CRM114-Status: GOOD ( 12.13 ) 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: Rob Herring , Victor Wan , Jianxin Pan , Neil Armstrong , Stephen Boyd , Kevin Hilman , Michael Turquette , linux-usb@vger.kernel.org, Yue Wang , Martin Blumenstingl , devicetree@vger.kernel.org, Liang Yang , Qiufang Dai , Xingyu Chen , Greg Kroah-Hartman , Carlo Caione , linux-amlogic@lists.infradead.org, Jian Hu , linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 2019-12-27 at 14:36 +0800, Hanjie Lin wrote: > This adds support for the USB2 PHY found in the Amlogic A1 SoC Family. > > It supports host mode only. > > Signed-off-by: Hanjie Lin > Signed-off-by: Yue Wang > --- > drivers/phy/amlogic/phy-meson-g12a-usb2.c | 93 +++++++++++++++++++++---------- > 1 file changed, 64 insertions(+), 29 deletions(-) > > diff --git a/drivers/phy/amlogic/phy-meson-g12a-usb2.c b/drivers/phy/amlogic/phy-meson-g12a-usb2.c > index 9065ffc..a564747 100644 > --- a/drivers/phy/amlogic/phy-meson-g12a-usb2.c > +++ b/drivers/phy/amlogic/phy-meson-g12a-usb2.c > @@ -146,11 +146,17 @@ [...] > + priv->soc_id = (enum meson_soc_id)of_device_get_match_data(&pdev->dev); > + > priv->regmap = devm_regmap_init_mmio(dev, base, > &phy_meson_g12a_usb2_regmap_conf); > if (IS_ERR(priv->regmap)) > return PTR_ERR(priv->regmap); > > - priv->clk = devm_clk_get(dev, "xtal"); > - if (IS_ERR(priv->clk)) > - return PTR_ERR(priv->clk); > + if (priv->soc_id == MESON_SOC_G12A) { > + priv->clk = devm_clk_get(dev, "xtal"); > + if (IS_ERR(priv->clk)) > + return PTR_ERR(priv->clk); > + } How about use devm_clk_get_optional(), then make it as optional clock also in dt-binding > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel