Subject: Re: [PATCH 2/2] dma: add Qualcomm Technologies HIDMA channel driver
To: Sinan Kaya <okaya@codeaurora.org>, Arnd Bergmann <arnd@arndb.de>
Cc: dmaengine@vger.kernel.org, cov@codeaurora.org, jcm@redhat.com,
        Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>, Vinod Koul <vinod.koul@intel.com>,
        Dan Williams <dan.j.williams@intel.com>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
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 <4552697.VhjWnxQoIo@wuerfel> <56365F0D.6010508@codeaurora.org>
From: Timur Tabi <timur@codeaurora.org>
Message-ID: <56367433.60806@codeaurora.org>
Date: Sun, 1 Nov 2015 14:21:07 -0600
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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()?

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