From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajendra Nayak Subject: [PATCH 04/11] mfd: omap-usb: add clk_prepare and clk_unprepare Date: Fri, 22 Jun 2012 19:18:03 +0530 Message-ID: <1340372890-10091-5-git-send-email-rnayak@ti.com> References: <1340372890-10091-1-git-send-email-rnayak@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from arroyo.ext.ti.com ([192.94.94.40]:34287 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762174Ab2FVNsa (ORCPT ); Fri, 22 Jun 2012 09:48:30 -0400 In-Reply-To: <1340372890-10091-1-git-send-email-rnayak@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: paul@pwsan.com, mturquette@ti.com Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Rajendra Nayak , Samuel Ortiz In preparation of OMAP moving to Common Clk Framework (CCF) add clk_prepare() and clk_unprepare() for the various usb host clocks. Signed-off-by: Rajendra Nayak Cc: Samuel Ortiz --- drivers/mfd/omap-usb-host.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 7e96bb2..dcffa5c 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -632,6 +632,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_warn(dev, "ehci_logic_fck failed:%d\n", ret); } + clk_prepare(omap->ehci_logic_fck); break; } @@ -641,6 +642,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "utmi_p1_gfclk failed error:%d\n", ret); goto err_end; } + clk_prepare(omap->utmi_p1_fck); omap->xclk60mhsp1_ck = clk_get(dev, "xclk60mhsp1_ck"); if (IS_ERR(omap->xclk60mhsp1_ck)) { @@ -648,6 +650,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "xclk60mhsp1_ck failed error:%d\n", ret); goto err_utmi_p1_fck; } + clk_prepare(omap->xclk60mhsp1_ck); omap->utmi_p2_fck = clk_get(dev, "utmi_p2_gfclk"); if (IS_ERR(omap->utmi_p2_fck)) { @@ -655,6 +658,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "utmi_p2_gfclk failed error:%d\n", ret); goto err_xclk60mhsp1_ck; } + clk_prepare(omap->utmi_p2_fck); omap->xclk60mhsp2_ck = clk_get(dev, "xclk60mhsp2_ck"); if (IS_ERR(omap->xclk60mhsp2_ck)) { @@ -662,6 +666,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "xclk60mhsp2_ck failed error:%d\n", ret); goto err_utmi_p2_fck; } + clk_prepare(omap->xclk60mhsp2_ck); omap->usbhost_p1_fck = clk_get(dev, "usb_host_hs_utmi_p1_clk"); if (IS_ERR(omap->usbhost_p1_fck)) { @@ -669,6 +674,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "usbhost_p1_fck failed error:%d\n", ret); goto err_xclk60mhsp2_ck; } + clk_prepare(omap->usbhost_p1_fck); omap->usbtll_p1_fck = clk_get(dev, "usb_tll_hs_usb_ch0_clk"); if (IS_ERR(omap->usbtll_p1_fck)) { @@ -676,6 +682,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "usbtll_p1_fck failed error:%d\n", ret); goto err_usbhost_p1_fck; } + clk_prepare(omap->usbtll_p1_fck); omap->usbhost_p2_fck = clk_get(dev, "usb_host_hs_utmi_p2_clk"); if (IS_ERR(omap->usbhost_p2_fck)) { @@ -683,6 +690,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "usbhost_p2_fck failed error:%d\n", ret); goto err_usbtll_p1_fck; } + clk_prepare(omap->usbhost_p2_fck); omap->usbtll_p2_fck = clk_get(dev, "usb_tll_hs_usb_ch1_clk"); if (IS_ERR(omap->usbtll_p2_fck)) { @@ -690,6 +698,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "usbtll_p2_fck failed error:%d\n", ret); goto err_usbhost_p2_fck; } + clk_prepare(omap->usbtll_p2_fck); omap->init_60m_fclk = clk_get(dev, "init_60m_fclk"); if (IS_ERR(omap->init_60m_fclk)) { @@ -697,6 +706,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) dev_err(dev, "init_60m_fclk failed error:%d\n", ret); goto err_usbtll_p2_fck; } + clk_prepare(omap->init_60m_fclk); if (is_ehci_phy_mode(pdata->port_mode[0])) { /* for OMAP3 , the clk set paretn fails */ @@ -773,33 +783,43 @@ err_tll: iounmap(omap->uhh_base); err_init_60m_fclk: + clk_unprepare(omap->init_60m_fclk); clk_put(omap->init_60m_fclk); err_usbtll_p2_fck: + clk_unprepare(omap->usbtll_p2_fck); clk_put(omap->usbtll_p2_fck); err_usbhost_p2_fck: + clk_unprepare(omap->usbhost_p2_fck); clk_put(omap->usbhost_p2_fck); err_usbtll_p1_fck: + clk_unprepare(omap->usbtll_p1_fck); clk_put(omap->usbtll_p1_fck); err_usbhost_p1_fck: + clk_unprepare(omap->usbhost_p1_fck); clk_put(omap->usbhost_p1_fck); err_xclk60mhsp2_ck: + clk_unprepare(omap->xclk60mhsp2_ck); clk_put(omap->xclk60mhsp2_ck); err_utmi_p2_fck: + clk_unprepare(omap->utmi_p2_fck); clk_put(omap->utmi_p2_fck); err_xclk60mhsp1_ck: + clk_unprepare(omap->xclk60mhsp1_ck); clk_put(omap->xclk60mhsp1_ck); err_utmi_p1_fck: + clk_unprepare(omap->utmi_p1_fck); clk_put(omap->utmi_p1_fck); err_end: + clk_unprepare(omap->ehci_logic_fck); clk_put(omap->ehci_logic_fck); pm_runtime_disable(dev); kfree(omap); -- 1.7.1