From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Subject: Re: [PATCH 2/2] dma: add Qualcomm Technologies HIDMA channel driver Date: Sun, 1 Nov 2015 14:21:07 -0600 Message-ID: <56367433.60806@codeaurora.org> References: <1446174501-8870-1-git-send-email-okaya@codeaurora.org> <5741892.rRLhcI7KQG@wuerfel> <5633E442.3010003@codeaurora.org> <4552697.VhjWnxQoIo@wuerfel> <56365F0D.6010508@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <56365F0D.6010508-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sinan Kaya , Arnd Bergmann Cc: dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cov-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Vinod Koul , Dan Williams , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org Sinan Kaya wrote: > However, after issuing the command; I still need to wait some amount of > time until hardware acknowledges the commands like reset/enable/disable. > These are relatively faster operations happening in microseconds. That's > why, I have mdelay there. Can you use readl_poll_timeout()? -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html