linux-kernel - Re: [PATCH V6 4/7] OF: properties: Implement get_match

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Message-ID: <def8e351-bc2d-7adc-fdc5-362b365302a8@codeaurora.org>
Date:   Thu, 7 Dec 2017 09:45:31 -0500
From:   Sinan Kaya <okaya@...eaurora.org>
To:     Lothar Waßmann <LW@...O-electronics.de>
Cc:     dmaengine@...r.kernel.org, timur@...eaurora.org,
        devicetree@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V6 4/7] OF: properties: Implement get_match_data()
 callback

On 12/7/2017 8:10 AM, Lothar Waßmann wrote:
>> +void *of_fwnode_get_match_data(const struct fwnode_handle *fwnode,
>> +			       struct device *dev)
> Shouldn't this be 'const void *of_fwnode_get_match_data

OF keeps the driver data as a (const void*) internally. ACPI keeps the
driver data as kernel_ulong_t in struct acpi_device_id.

I tried to find the middle ground here by converting output to void*
but not keeping const.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.