linux-kernel - Re: [PATCH V3 2/4] dma: add Qualcomm Technologies HIDMA management driver

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Message-ID: <563ED8DF.6090307@codeaurora.org>
Date:	Sat, 7 Nov 2015 23:08:47 -0600
From:	Timur Tabi <timur@...eaurora.org>
To:	Sinan Kaya <okaya@...eaurora.org>, dmaengine@...r.kernel.org,
	cov@...eaurora.org, jcm@...hat.com
Cc:	agross@...eaurora.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 2/4] dma: add Qualcomm Technologies HIDMA management
 driver

Sinan Kaya wrote:
> +	val = val & ~(MAX_BUS_REQ_LEN_MASK << MAX_BUS_WR_REQ_BIT_POS);
> +	val = val | (mgmtdev->max_write_request << MAX_BUS_WR_REQ_BIT_POS);
> +	val = val & ~(MAX_BUS_REQ_LEN_MASK);
> +	val = val | (mgmtdev->max_read_request);

val &= ~MAX_BUS_REQ_LEN_MASK << MAX_BUS_WR_REQ_BIT_POS;
val |= mgmtdev->max_write_request << MAX_BUS_WR_REQ_BIT_POS;
val &= ~MAX_BUS_REQ_LEN_MASK;
val |= mgmtdev->max_read_request;

> +static const struct of_device_id hidma_mgmt_match[] = {
> +	{ .compatible = "qcom,hidma-mgmt", },
> +	{ .compatible = "qcom,hidma-mgmt-1.0", },
> +	{ .compatible = "qcom,hidma-mgmt-1.1", },
> +	{},
> +};

I thought Rob said that he did NOT want to use version numbers in 
compatible strings.  And what's the difference between these three 
versions anyway?

-- 
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.
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