linux-kernel - Re: [Patch v6 6/7] regmap: add SLIMBUS support

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Date:   Thu, 19 Oct 2017 22:00:35 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Brown <broonie@...nel.org>, alsa-devel@...a-project.org,
        Sagar Dharia <sdharia@...eaurora.org>, bp@...e.de,
        poeschel@...onage.de, Thierry Reding <treding@...dia.com>,
        gong.chen@...ux.intel.com,
        Andreas Noever <andreas.noever@...il.com>,
        alan@...ux.intel.com, Mathieu Poirier <mathieu.poirier@...aro.org>,
        Daniel Vetter <daniel@...ll.ch>, Jiri Kosina <jkosina@...e.cz>,
        sharon.dvir1@...l.huji.ac.il, joe@...ches.com,
        David Miller <davem@...emloft.net>, james.hogan@...tec.com,
        Michael Opdenacker <michael.opdenacker@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        Pawel Moll <pawel.moll@....com>,
        Mark Rutland <mark.rutland@....com>,
        devicetree <devicetree@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, kheitke@...ience.com,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [Patch v6 6/7] regmap: add SLIMBUS support

On Fri 06 Oct 08:51 PDT 2017, srinivas.kandagatla@...aro.org wrote:

> diff --git a/drivers/base/regmap/regmap-slimbus.c b/drivers/base/regmap/regmap-slimbus.c
[..]
> +static int regmap_slimbus_byte_reg_read(void *context, unsigned int reg,
> + unsigned int *val)
> +{
> + struct slim_device *slim = context;
> + struct slim_val_inf msg = {0,};
> +
> + msg.start_offset = reg;
> + msg.num_bytes = 1;
> + msg.rbuf = (void *)val;

Turn rbuf into a void * and you don't need this cast (think I commented
on this on a previous patch as well).

> +
> + return slim_request_val_element(slim, &msg);
> +}
> +
> +static int regmap_slimbus_byte_reg_write(void *context, unsigned int reg,
> + unsigned int val)
> +{
> + struct slim_device *slim = context;
> + struct slim_val_inf msg = {0,};
> +
> + msg.start_offset = reg;
> + msg.num_bytes = 1;
> + msg.wbuf = (void *)&val;

Dito

> +
> + return slim_change_val_element(slim, &msg);
> +}

Regards,
Bjorn