From: Wolfram Sang <wsa@the-dreams.de>
To: Jan Glauber <jglauber@cavium.com>
Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
David Daney <ddaney@caviumnetworks.com>
Subject: Re: [PATCH v3 02/14] i2c-octeon: Cleanup i2c-octeon driver
Date: Sat, 12 Mar 2016 16:35:00 +0100 [thread overview]
Message-ID: <20160312153459.GD1661@katana> (raw)
In-Reply-To: <aea2307d9ff5295a0041d3a129dd3e95bf3bd04c.1457362545.git.jglauber@cavium.com>
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On Mon, Mar 07, 2016 at 04:10:45PM +0100, Jan Glauber wrote:
> Cleanup only without functional change.
I like most of the changes, but there are still some functional changes
left.
> -static int octeon_i2c_stop(struct octeon_i2c *i2c)
> +/* send STOP to the bus */
> +static void octeon_i2c_stop(struct octeon_i2c *i2c)
> {
> u8 data;
>
> @@ -266,11 +259,8 @@ static int octeon_i2c_stop(struct octeon_i2c *i2c)
>
> data = octeon_i2c_read_sw(i2c, SW_TWSI_EOP_TWSI_STAT);
>
> - if (data != STAT_IDLE) {
> + if (data != STAT_IDLE)
> dev_err(i2c->dev, "%s: bad status(0x%x)\n", __func__, data);
> - return -EIO;
> - }
> - return 0;
Why this change? I don't know what SW_TWSI_EOP_TWSI_STAT tells, but this
is surely not a cleanup.
> octeon_i2c_stop(i2c);
>
> - return (ret != 0) ? ret : num;
> + return ret ? -EAGAIN : num;
This is also not a cleanup and looks wrong. -EAGAIN is for lost
arbitration only.
>
> -static struct of_device_id octeon_i2c_match[] = {
> - {
> - .compatible = "cavium,octeon-3860-twsi",
> - },
> +static const struct of_device_id octeon_i2c_match[] = {
> + { .compatible = "cavium,octeon-3860-twsi", },
Nit: I'd prefer no tabs within the curly braces.
Thanks,
Wolfram
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next prev parent reply other threads:[~2016-03-12 15:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-07 15:10 [PATCH v3 00/14] i2c-octeon and i2c-thunderx drivers Jan Glauber
2016-03-07 15:10 ` [PATCH v3 01/14] i2c-octeon: Cleanup kerneldoc comments Jan Glauber
2016-03-12 15:35 ` Wolfram Sang
2016-03-07 15:10 ` [PATCH v3 02/14] i2c-octeon: Cleanup i2c-octeon driver Jan Glauber
2016-03-12 15:35 ` Wolfram Sang [this message]
2016-03-14 8:52 ` Jan Glauber
2016-03-07 15:10 ` [PATCH v3 03/14] i2c-octeon: Cleanup resource allocation code Jan Glauber
2016-03-12 15:37 ` Wolfram Sang
2016-03-14 9:21 ` Jan Glauber
2016-03-07 15:10 ` [PATCH v3 04/14] i2c-octeon: Support I2C_M_RECV_LEN Jan Glauber
2016-03-12 15:44 ` Wolfram Sang
2016-03-07 15:10 ` [PATCH v3 05/14] i2c-octeon: Make adapter timeout tunable Jan Glauber
2016-03-12 15:46 ` Wolfram Sang
2016-03-14 12:45 ` Jan Glauber
2016-03-14 17:21 ` Swain, Peter
2016-03-07 15:10 ` [PATCH v3 06/14] i2c-octeon: Enable high-level controller and improve on bus contention Jan Glauber
2016-03-07 15:10 ` [PATCH v3 07/14] dt-bindings: i2c: Add Octeon cn78xx TWSI Jan Glauber
2016-03-07 15:10 ` [PATCH v3 08/14] i2c-octeon: Add support for cn78XX chips Jan Glauber
2016-03-07 15:10 ` [PATCH v3 09/14] i2c-octeon: Flush TWSI writes with readback Jan Glauber
2016-03-07 15:10 ` [PATCH v3 10/14] i2c-octeon: Faster operation when IFLG signals late Jan Glauber
2016-03-07 15:10 ` [PATCH v3 11/14] i2c-octeon: Add workaround for broken irqs on CN3860 Jan Glauber
2016-03-07 15:10 ` [PATCH v3 12/14] i2c-octeon: Split the driver into two parts Jan Glauber
2016-03-07 15:10 ` [PATCH v3 13/14] i2c-thunderx: Add i2c driver for ThunderX SOC Jan Glauber
2016-03-07 15:10 ` [PATCH v3 14/14] i2c-thunderx: Add smbus support Jan Glauber
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