From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeffrey Hugo Subject: Re: [PATCH v4 3/3] gpiolib: Show correct direction from the beginning Date: Fri, 5 Oct 2018 08:18:59 -0600 Message-ID: References: <20181002140858.16833-1-ricardo.ribalda@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Ricardo Ribalda Delgado Cc: Linus Walleij , Timur Tabi , Stephen Boyd , linux-gpio , LKML List-Id: linux-gpio@vger.kernel.org On 10/5/2018 12:52 AM, Ricardo Ribalda Delgado wrote: > Hi > On Fri, Oct 5, 2018 at 12:26 AM Jeffrey Hugo wrote: >> >> On 10/2/2018 9:21 AM, Jeffrey Hugo wrote: >>> On 10/2/2018 8:08 AM, Ricardo Ribalda Delgado wrote: >>>> Current code assumes that the direction is input if direction_input >>>> function is set. >>>> This might not be the case on GPIOs with programmable direction. >>>> >>>> Signed-off-by: Ricardo Ribalda Delgado >>> >>> I'll try to get this series tested on QDF2400 by the end of the week. >> >> 1-2/3 (v3) and 3/3 (v4) still fails. Same issue. Attempting to access >> config registers for GPIO 0 when the OS is not allowed to do that. >> > > I think that I might found the bug. if gpio-reserved-ranges was > present the initialization was lost. > > Can you try with v5 > > Thanks for your help I'll let you know how it goes. -- Jeffrey Hugo Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.