From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Stephen Warren <swarren@nvidia.com>,
Barry Song <21cnbao@gmail.com>,
Haojian Zhuang <haojian.zhuang@marvell.com>,
Thomas Abraham <thomas.abraham@linaro.org>,
Rajendra Nayak <rajendra.nayak@linaro.org>,
Dong Aisheng <dong.aisheng@linaro.org>,
Shawn Guo <shawn.guo@freescale.com>
Subject: Re: [PATCH] pinctrl: changes hog mechanism to be self-referential
Date: Fri, 10 Feb 2012 07:35:26 +0100 [thread overview]
Message-ID: <20276.47790.447816.701234@ipc1.ka-ro> (raw)
In-Reply-To: <1328834868-25030-1-git-send-email-linus.walleij@linaro.org>
Linus Walleij writes:
> Instead of a specific boolean field to indicate if a map entry shall
> be hogged, treat self-reference as an indication of desired hogging.
> This drops one field off the map struct and has a nice Douglas R.
> Hofstadter-feel to it.
>
> Suggested-by: Stephen Warren <swarren@nvidia.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> Documentation/pinctrl.txt | 8 ++++----
> drivers/pinctrl/core.c | 6 ++----
> include/linux/pinctrl/machine.h | 18 ++++++------------
> 3 files changed, 12 insertions(+), 20 deletions(-)
>
> diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt
> index 2e71323..acb9078 100644
> --- a/Documentation/pinctrl.txt
> +++ b/Documentation/pinctrl.txt
> @@ -989,21 +989,21 @@ is registered. This means that the core will attempt to call pinctrl_get() and
> pinctrl_enable() on it immediately after the pin control device has been
> registered.
>
> -This is enabled by simply setting the .hog_on_boot field in the map to true,
> -like this:
> +This is enabled by simply setting the .dev_name field in the map to the name
> +of the pin controller itself, like this:
>
> {
> .name = "POWERMAP"
> .ctrl_dev_name = "pinctrl-foo",
> .function = "power_func",
> - .hog_on_boot = true,
> + .dev_name = "pinctrl-foo",
> },
>
> Since it may be common to request the core to hog a few always-applicable
> mux settings on the primary pin controller, there is a convenience macro for
> this:
>
> -PIN_MAP_PRIMARY_SYS_HOG("POWERMAP", "power_func")
> +PIN_MAP_PRIMARY_SYS_HOG("POWERMAP", "pinctrl-foo". "power_func")
^
Shouldn't this be a comma rather than a period?
Lothar Waßmann
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prev parent reply other threads:[~2012-02-10 6:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-10 0:47 Linus Walleij
2012-02-10 1:30 ` Dong Aisheng
2012-02-10 4:21 ` Stephen Warren
2012-02-10 6:35 ` Lothar Waßmann [this message]
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