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From: Wolfram Sang <wsa@kernel.org>
To: Roja Rani Yarubandi <rojay@codeaurora.org>
Cc: swboyd@chromium.org, dianders@chromium.org,
	saiprakash.ranjan@codeaurora.org, gregkh@linuxfoundation.org,
	mka@chromium.org, akashast@codeaurora.org,
	msavaliy@qti.qualcomm.com, skakit@codeaurora.org,
	pyarlaga@codeaurora.org, rnayak@codeaurora.org,
	agross@kernel.org, bjorn.andersson@linaro.org,
	linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org,
	linux-kernel@vger.kernel.org, sumit.semwal@linaro.org,
	linux-media@vger.kernel.org
Subject: Re: [PATCH V7 2/2] i2c: i2c-qcom-geni: Add shutdown callback for i2c
Date: Tue, 5 Jan 2021 16:27:47 +0100	[thread overview]
Message-ID: <20210105152747.GB1842@ninjato> (raw)
In-Reply-To: <20201221123801.26643-3-rojay@codeaurora.org>

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> +	geni_status = readl_relaxed(gi2c->se.base + SE_GENI_STATUS);
> +	if (!(geni_status & M_GENI_CMD_ACTIVE))
> +		goto out;
> +
> +	cur = gi2c->cur;
> +	geni_i2c_abort_xfer(gi2c);
> +	if (cur->flags & I2C_M_RD)
> +		geni_i2c_rx_msg_cleanup(gi2c, cur);
> +	else
> +		geni_i2c_tx_msg_cleanup(gi2c, cur);
> +out:
> +	pm_runtime_put_sync_suspend(gi2c->se.dev);
> +}

The use of 'goto' is not needed here IMHO. I think:

	if (geni_status & M_GENI_CMD_ACTIVE) {
		do_the_stuff
	}

	pm_runtime_put_sync_suspend(...);

is more readable, in fact. Also, I don't think we really need the 'cur'
variable and just use 'gi2c->cur' but that's very minor and you can keep
it if you like it.

Reset looks good!


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  parent reply	other threads:[~2021-01-05 15:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-21 12:37 [PATCH V7 0/2] Implement Shutdown callback for geni-i2c Roja Rani Yarubandi
2020-12-21 12:38 ` [PATCH V7 1/2] i2c: i2c-qcom-geni: Store DMA mapping data in geni_i2c_dev struct Roja Rani Yarubandi
2020-12-30  9:24   ` Akash Asthana
2021-01-05 15:22   ` Wolfram Sang
2020-12-21 12:38 ` [PATCH V7 2/2] i2c: i2c-qcom-geni: Add shutdown callback for i2c Roja Rani Yarubandi
2020-12-30  9:26   ` Akash Asthana
2021-01-05 15:27   ` Wolfram Sang [this message]
2021-01-08  9:56     ` rojay
2021-01-08 10:06       ` Wolfram Sang

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