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From: Vinod Koul <vkoul@kernel.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: yung-chuan.liao@linux.intel.com,
	pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] soundwire: qcom: add debugfs entry for soundwire register dump
Date: Fri, 1 Oct 2021 09:50:37 +0530	[thread overview]
Message-ID: <YVaMlSbmFnrQyb0u@matsya> (raw)
In-Reply-To: <20210907105636.3171-1-srinivas.kandagatla@linaro.org>

HI Srini,

On 07-09-21, 11:56, Srinivas Kandagatla wrote:
> +#ifdef CONFIG_DEBUG_FS
> +static int swrm_reg_show(struct seq_file *s_file, void *data)
> +{
> +	struct qcom_swrm_ctrl *swrm = s_file->private;
> +	int reg, reg_val;
> +
> +	for (reg = 0; reg <= SWR_MSTR_MAX_REG_ADDR; reg += 4) {
> +		swrm->reg_read(swrm, reg, &reg_val);

Why not use regmap_read here, that would avoid reading from the bus when
we already have the values...

Second make sure later when pm_runtime support is added, this take a
reference ..

Thanks
-- 
~Vinod

  reply	other threads:[~2021-10-01  4:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07 10:56 Srinivas Kandagatla
2021-10-01  4:20 ` Vinod Koul [this message]
2021-10-01 11:45   ` Pierre-Louis Bossart
2021-10-08 10:54   ` Srinivas Kandagatla
2021-10-20 15:24 ` Vinod Koul

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