From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755448Ab3KLS1e (ORCPT ); Tue, 12 Nov 2013 13:27:34 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:54200 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755271Ab3KLS1c (ORCPT ); Tue, 12 Nov 2013 13:27:32 -0500 Message-ID: <52827311.6060206@codeaurora.org> Date: Tue, 12 Nov 2013 13:27:29 -0500 From: Christopher Covington User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: "Ivan T. Ivanov" CC: balbi@ti.com, gregkh@linuxfoundation.org, rob.herring@calxeda.com, pawel.moll@arm.com, mark.rutland@arm.com, swarren@wwwdotorg.org, ijc+devicetree@hellion.org.uk, davidb@codeaurora.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Walker Subject: Re: [PATCH v4 01/15] usb: phy: msm: Move mach dependent code to platform data References: <1384267910-32066-1-git-send-email-iivanov@mm-sol.com> <1384267910-32066-2-git-send-email-iivanov@mm-sol.com> In-Reply-To: <1384267910-32066-2-git-send-email-iivanov@mm-sol.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ivan, On 11/12/2013 09:51 AM, Ivan T. Ivanov wrote: > From: "Ivan T. Ivanov" > > This patch fix compilation error when driver is compiled > in multi-platform builds. > > drivers/built-in.o: In function `msm_otg_link_clk_reset': > ./drivers/usb/phy/phy-msm-usb.c:314: undefined reference to `clk_reset' > ./drivers/usb/phy/phy-msm-usb.c:318: undefined reference to `clk_reset' > > Use platform data supplied reset handlers and adjust error > messages reported when reset sequence fail. > > This is an intermediate step before adding support for reset > framework and newer targets. > > Signed-off-by: Ivan T. Ivanov > Acked-by: David Brown > Cc: Daniel Walker > Cc: Felipe Balbi > Cc: Greg Kroah-Hartman > --- > arch/arm/mach-msm/board-msm7x30.c | 35 +++++++++++++++++++++++++++++++++++ > arch/arm/mach-msm/board-qsd8x50.c | 35 +++++++++++++++++++++++++++++++++++ > drivers/usb/phy/phy-msm-usb.c | 35 +++++++++++++++-------------------- > include/linux/usb/msm_hsusb.h | 3 +++ > 4 files changed, 88 insertions(+), 20 deletions(-) > > diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c > index f9af5a4..46de789 100644 > --- a/arch/arm/mach-msm/board-msm7x30.c > +++ b/arch/arm/mach-msm/board-msm7x30.c > @@ -30,6 +30,7 @@ > #include > #include > > +#include > #include > #include > > @@ -60,10 +61,44 @@ static int hsusb_phy_init_seq[] = { > -1 > }; > > +static int hsusb_link_clk_reset(struct clk *link_clk, bool assert) > +{ > + int ret; > + > + if (assert) { > + ret = clk_reset(link_clk, CLK_RESET_ASSERT); > + if (ret) > + pr_err("usb hs_clk assert failed\n"); > + } else { > + ret = clk_reset(link_clk, CLK_RESET_DEASSERT); > + if (ret) > + pr_err("usb hs_clk deassert failed\n"); > + } > + return ret; > +} > + > +static int hsusb_phy_clk_reset(struct clk *phy_clk) > +{ > + int ret; > + > + ret = clk_reset(phy_clk, CLK_RESET_ASSERT); > + if (ret) { > + pr_err("usb phy clk assert failed\n"); > + return ret; > + } > + usleep_range(10000, 12000); > + ret = clk_reset(phy_clk, CLK_RESET_DEASSERT); > + if (ret) > + pr_err("usb phy clk deassert failed\n"); > + return ret; > +} > + > static struct msm_otg_platform_data msm_otg_pdata = { > .phy_init_seq = hsusb_phy_init_seq, > .mode = USB_PERIPHERAL, > .otg_control = OTG_PHY_CONTROL, > + .link_clk_reset = hsusb_link_clk_reset, > + .phy_clk_reset = hsusb_phy_clk_reset, > }; > > struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = { > diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c > index 5f933bc..9169ec3 100644 > --- a/arch/arm/mach-msm/board-qsd8x50.c > +++ b/arch/arm/mach-msm/board-qsd8x50.c > @@ -31,6 +31,7 @@ > #include > #include > #include > +#include > #include > > #include "devices.h" > @@ -81,10 +82,44 @@ static int hsusb_phy_init_seq[] = { > -1 > }; > > +static int hsusb_link_clk_reset(struct clk *link_clk, bool assert) > +{ > + int ret; > + > + if (assert) { > + ret = clk_reset(link_clk, CLK_RESET_ASSERT); > + if (ret) > + pr_err("usb hs_clk assert failed\n"); > + } else { > + ret = clk_reset(link_clk, CLK_RESET_DEASSERT); > + if (ret) > + pr_err("usb hs_clk deassert failed\n"); > + } > + return ret; > +} > + > +static int hsusb_phy_clk_reset(struct clk *phy_clk) > +{ > + int ret; > + > + ret = clk_reset(phy_clk, CLK_RESET_ASSERT); > + if (ret) { > + pr_err("usb phy clk assert failed\n"); > + return ret; > + } > + usleep_range(10000, 12000); > + ret = clk_reset(phy_clk, CLK_RESET_DEASSERT); > + if (ret) > + pr_err("usb phy clk deassert failed\n"); > + return ret; > +} Why are there identical, static definitions of hsusb_link_clk_reset and hsusb_phy_clk_reset across the two board files? Why not share a single non-static set of definitions? Thanks, Christopher -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by the Linux Foundation.