From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Wolfram Sang <wsa@the-dreams.de>, linux-i2c@vger.kernel.org
Cc: linux-sh@vger.kernel.org, Magnus Damm <magnus.damm@gmail.com>,
Simon Horman <horms@verge.net.au>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
linux-rockchip@lists.infradead.org,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Jarkko Nikula <jarkko.nikula@linux.intel.com>
Subject: Re: [PATCH v2 4/9] i2c: rcar: switch to i2c generic dt parsing
Date: Tue, 08 Dec 2015 10:59:20 +0000 [thread overview]
Message-ID: <1449572360.30729.31.camel@linux.intel.com> (raw)
In-Reply-To: <1449567473-2084-5-git-send-email-wsa@the-dreams.de>
On Tue, 2015-12-08 at 10:37 +0100, Wolfram Sang wrote:
> From: Wolfram Sang <wsa+renesas@sang-engineering.com>
>
> Switch to the new generic functions. Plain convert, no functionality
> added yet.
One style nitpick.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> drivers/i2c/busses/i2c-rcar.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-
> rcar.c
> index d4322a9096786f..c663f4389bf898 100644
> --- a/drivers/i2c/busses/i2c-rcar.c
> +++ b/drivers/i2c/busses/i2c-rcar.c
> @@ -162,12 +162,15 @@ static int rcar_i2c_bus_barrier(struct
> rcar_i2c_priv *priv)
> return -EBUSY;
> }
>
> -static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv, u32
> bus_speed)
> +static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
> struct i2c_timings *t)
> {
> u32 scgd, cdf, round, ick, scl, cdf_width;
> unsigned long rate;
> struct device *dev = rcar_i2c_priv_to_dev(priv);
>
> + /* Fall back to previously used values if not supplied */
> + t->bus_freq_hz = t->bus_freq_hz ?: 100000;
On one hand it seems enough space to put one more t->bus_freq_hz, on
the other why not
if (!t->bus_freq_hz)
= 100000;
I think a bit better to maintain latter.
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2015-12-08 10:59 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-08 9:37 [PATCH v2 0/9] i2c: add generic support for timing parameters in DT Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 1/9] i2c: document generic DT bindings for timing parameters Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 2/9] i2c: add generic routine to parse DT for timing information Wolfram Sang
2015-12-08 10:54 ` Andy Shevchenko
2015-12-08 13:03 ` Wolfram Sang
2015-12-08 21:51 ` Wolfram Sang
2015-12-09 12:12 ` Andy Shevchenko
2015-12-14 9:49 ` Wolfram Sang
2015-12-08 11:09 ` Mika Westerberg
2015-12-08 12:53 ` Wolfram Sang
2015-12-08 13:03 ` Mika Westerberg
2015-12-08 9:37 ` [PATCH v2 3/9] i2c: rcar: refactor probe function a little Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 4/9] i2c: rcar: switch to i2c generic dt parsing Wolfram Sang
2015-12-08 10:59 ` Andy Shevchenko [this message]
2015-12-08 11:00 ` Shevchenko, Andriy
2015-12-08 9:37 ` [PATCH v2 5/9] i2c: rcar: honor additional i2c timings from DT Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 6/9] ARM: shmobile: r8a7790: dtsi: add internal delay for i2c IPs Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 7/9] ARM: shmobile: r8a7791: " Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 8/9] ARM: shmobile: r8a7794: " Wolfram Sang
2015-12-08 9:37 ` [PATCH v2 9/9] arm64: renesas: r8a7795: " Wolfram Sang
2015-12-10 5:00 ` [PATCH v2 0/9] i2c: add generic support for timing parameters in DT Simon Horman
2015-12-14 10:00 ` Wolfram Sang
2015-12-15 4:14 ` Simon Horman
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