From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755872AbaEIIT7 (ORCPT ); Fri, 9 May 2014 04:19:59 -0400 Received: from mailout3.w1.samsung.com ([210.118.77.13]:54612 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752637AbaEIITz (ORCPT ); Fri, 9 May 2014 04:19:55 -0400 X-AuditID: cbfec7f5-b7fae6d000004d6d-88-536c8fa90899 Message-id: <536C8FA7.2040401@samsung.com> Date: Fri, 09 May 2014 10:19:51 +0200 From: Tomasz Figa Organization: Samsung R&D Institute Poland User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-version: 1.0 To: Vivek Gautam , linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, gregkh@linuxfoundation.org, balbi@ti.com, kgene.kim@samsung.com, k.debski@samsung.com, jg1.han@samsung.com Subject: Re: [PATCH v12 4/4] usb: ehci-exynos: Change to use phy provided by the generic phy framework References: <1399034855-9686-5-git-send-email-gautam.vivek@samsung.com> <1399266148-31729-1-git-send-email-gautam.vivek@samsung.com> In-reply-to: <1399266148-31729-1-git-send-email-gautam.vivek@samsung.com> Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrPLMWRmVeSWpSXmKPExsVy+t/xa7or+3OCDQ7N1LA4eL/eYv6Rc6wW bVcOsls0L17PZnF54SVWix+vL7BZ9C64ymax6fE1VouFbUtYLC7vmsNmMeP8PiaLRctamR14 PPbPXcPusXlJvUffllWMHsdvbGfy+LxJLoA1issmJTUnsyy1SN8ugSvj8MpLbAWrBCpOfP7C 2sA4h7eLkZNDQsBEYtHBr0wQtpjEhXvr2boYuTiEBJYySvxf/ZwNJCEk8JlRYmVnLYjNK6Al cfX4BcYuRg4OFgFViaN7tEDCbAJqEp8bHoGV8wOVrGm6zgJiiwpESNxrPMwK0Soo8WPyPbC4 iEC2xK/tbWA2s8B7Rom/U3JBRgoLZEisOcANcUIbo0TnjrdgvZwCnhKTFjcyQ9TrSOxvncYG YctLbF7zlnkCo+AsJCtmISmbhaRsASPzKkbR1NLkguKk9FwjveLE3OLSvHS95PzcTYyQSPm6 g3HpMatDjAIcjEo8vAtkMoKFWBPLiitzDzFKcDArifB69OYEC/GmJFZWpRblxxeV5qQWH2Jk 4uCUamC0EeRKLZcqOJz3i0dr047rx9P4/1bbHLx/ok3xJitnkmmO/t13Nnpclwz+em37X1y4 X7NkWfLX61+3euj9S3yYobtUXTbsQubUmKdXSjz2TuT58KpW+8GP53LHXuj8kTWcnjD73kv/ 2L2Vva/r2ORvmdudnZ7vNONC3g6xRVqvllzN7dUsO3FYiaU4I9FQi7moOBEAPdzBjnICAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Vivek, On 05.05.2014 07:02, Vivek Gautam wrote: > From: Kamil Debski > > Add the phy provider, supplied by new Exynos-usb2phy using > Generic phy framework. > Keeping the support for older USB phy intact right now, in order > to prevent any functionality break in absence of relevant > device tree side change for ehci-exynos. > Once we move to new phy in the device nodes for ehci, we can > remove the support for older phys. > > Signed-off-by: Kamil Debski > [gautam.vivek@samsung.com: Addressed review comments from mailing list] > [gautam.vivek@samsung.com: Kept the code for old usb-phy, and just > added support for new exynos5-usb2phy in generic phy framework] > [gautam.vivek@samsung.com: Edited the commit message] > Signed-off-by: Vivek Gautam > Cc: Jingoo Han > Acked-by: Alan Stern > Acked-by: Kukjin Kim > --- > > Changes from v11: > - Removed setting phy explicitly to error pointer. > - Changed error check to '-ENOSYS' instead of '-ENXIO' in failure case of > devm_of_phy_get(). > > Changes from v10: > - Removed 'phy-names' property from the bindings since we don't need it. > - Restructured exynos_ehci_get_phy() function to handle error codes as > well as return relevant error codes effectively. > - Added IS_ERR() check for PHYs in exynos_ehci_phy_enable()/disable(). > > Changes from v9: > - Calling usb_phy_shutdown() when exynos_ehci_phy_enable() is failing. > - Made exynos_ehci_phy_disable() return void, since its return value > did not serve any purpose. > - Calling clk_disable_unprepare() in exynos_ehci_resume() when > exynos_ehci_phy_enable() is failed. > > .../devicetree/bindings/usb/exynos-usb.txt | 15 +++ > drivers/usb/host/ehci-exynos.c | 129 +++++++++++++++++--- > 2 files changed, 124 insertions(+), 20 deletions(-) Reviewed-by: Tomasz Figa -- Best regards, Tomasz