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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Laxman Dewangan <ldewangan@nvidia.com>
Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	linux-tegra@vger.kernel.org
Subject: Re: [PATCH V1] regmap: Support for caching in reg_raw_write()
Date: Fri, 10 Feb 2012 11:45:42 +0000	[thread overview]
Message-ID: <20120210114541.GB6472@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1328873572-12603-1-git-send-email-ldewangan@nvidia.com>

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On Fri, Feb 10, 2012 at 05:02:52PM +0530, Laxman Dewangan wrote:

This looks good, but could you make the few small improvements below
please?

> +	if (!map->cache_bypass && map->format.parse_val) {
> +		int val_bytes = map->format.val_bytes;
> +		unsigned int ival;
> +		for (i = 0; i < val_len / map->format.val_bytes; i++) {

A bit nit picky but since you've got a local val_bytes you may as well
use it.

> +			memcpy(map->work_buf, val + (i * val_bytes), val_bytes);
> +			ival = map->format.parse_val(map->work_buf);
> +			ret = regcache_write(map, reg + i, ival);
> +			if (ret) {
> +				dev_warn(map->dev,
> +					"Error in caching of register\n");

Say which register and the return value here - knowing the register
might be very helpful for debug.  This should probably also be at least
a dev_err().

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  reply	other threads:[~2012-02-10 11:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-10 11:32 [PATCH V1] regmap: Support for caching in reg_raw_write() Laxman Dewangan
2012-02-10 11:45 ` Mark Brown [this message]
2012-02-10 12:01 ` Lars-Peter Clausen
2012-02-10 12:07   ` Laxman Dewangan
2012-02-10 12:14   ` Mark Brown
2012-02-10 12:33     ` Lars-Peter Clausen
2012-02-10 15:58       ` Mark Brown

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