linux-kernel - Re: [PATCH 2/4] staging: ccree: simplify access to struct device

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Date:   Mon, 02 Oct 2017 03:00:22 -0700
From:   Joe Perches <joe@...ches.com>
To:     Gilad Ben-Yossef <gilad@...yossef.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Ofir Drang <ofir.drang@....com>, linux-crypto@...r.kernel.org,
        driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] staging: ccree: simplify access to struct device

On Mon, 2017-10-02 at 10:03 +0100, Gilad Ben-Yossef wrote:
> Introduce a DEV macro to retrieve struct device from private
> data structure in preparation to replacing custom logging
> macros with proper dev_dbg and friends which require struct
> device.
[]
> diff --git a/drivers/staging/ccree/ssi_driver.h b/drivers/staging/ccree/ssi_driver.h
[]
> @@ -103,6 +103,8 @@
>  #define SSI_LOG_DEBUG(format, ...) do {} while (0)
>  #endif
>  
> +#define DEV(drvdata) ((&(drvdata)->plat_dev->dev))

The name seems not particularly descriptive.
It seems a longer name would
not be too bad.

Perhaps

static inline struct device *drvdata_to_dev(struct ssi_drvdata *drvdata)
{
	return &drvdata->plat_dev->dev;
}