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Date:   Tue, 11 Apr 2023 16:50:03 +0300
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     William Breathitt Gray <william.gray@linaro.org>
Cc:     linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
        Johannes Berg <johannes.berg@intel.com>,
        Jonathan Cameron <jic23@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Al Viro <viro@zeniv.linux.org.uk>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>
Subject: Re: [PATCH v3 3/3] counter: 104-quad-8: Utilize helper functions to
 handle PR, FLAG and PSC
Message-ID: <ZDVli05x7u/bg7Zc@smile.fi.intel.com>
References: <cover.1681134558.git.william.gray@linaro.org>
 <669c8f782f11fe27c4568e4fc3ba459c4f954874.1681134558.git.william.gray@linaro.org>
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Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
Precedence: bulk

On Mon, Apr 10, 2023 at 10:03:13AM -0400, William Breathitt Gray wrote:
> The Preset Register (PR), Flag Register (FLAG), and Filter Clock
> Prescaler (PSC) have common usage patterns. Wrap up such usage into
> dedicated functions to improve code clarity.

...

>  	*val = 0;

Is not needed now as always being initialized by below call.

>  	spin_lock_irqsave(&priv->lock, irqflags);
>  
>  	iowrite8(SELECT_RLD | RESET_BP | TRANSFER_CNTR_TO_OL, &chan->control);
> -
> -	for (i = 0; i < 3; i++)
> -		*val |= (unsigned long)ioread8(&chan->data) << (8 * i);
> +	ioread8_rep(&chan->data, val, 3);
>  
>  	spin_unlock_irqrestore(&priv->lock, irqflags);

...

> +	struct channel_reg __iomem *const chan = priv->reg->channel + id;

Not sure if array representation will look better here and elsewhere.

	struct channel_reg __iomem *const chan = &priv->reg->channel[id];

-- 
With Best Regards,
Andy Shevchenko