From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Jianqun Xu <jay.xu@rock-chips.com>,
heiko@sntech.de, brgl@bgdev.pl, robert.moore@intel.com,
robh@kernel.org, linux-rockchip@lists.infradead.org,
linux-kernel@vger.kernel.org, lenb@kernel.org, rafael@kernel.org
Subject: Re: [PATCH 11/20] gpio/rockchip: add of_node for gpiochip
Date: Tue, 4 Oct 2022 11:30:17 +0300 [thread overview]
Message-ID: <YzvvGValqxfIriGL@smile.fi.intel.com> (raw)
In-Reply-To: <CACRpkdZSCamhBD-M8CkZt6B3N9c2Jo_D3kwgOykj8+VJ_otYGQ@mail.gmail.com>
On Tue, Oct 04, 2022 at 09:14:38AM +0200, Linus Walleij wrote:
> On Tue, Sep 20, 2022 at 12:31 PM Jianqun Xu <jay.xu@rock-chips.com> wrote:
> > The Rockchip GPIO driver will probe before pinctrl and has no parent dt
> > node, lack of the of_node will cause the driver probe failure.
> >
> > Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
>
> > +#ifdef CONFIG_OF_GPIO
> > + gc->of_node = of_node_get(bank->dev->of_node);
> > +#endif
>
> Any introduction of of_node_get() needs to be balanced with a
> corresponding of_node_put().
No, this code should not have been existed in the first place. We don't allow
anymore any of of_node usage in the GPIO drivers. There is an fwnode and parent
and logic to retrieve fwnode from parent in the GPIO library for the most of
the cases.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2022-10-04 8:30 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 10:30 [PATCH 00/20] Rockchip pinctrl/GPIO support ACPI Jianqun Xu
2022-09-20 10:30 ` [PATCH 01/20] ACPI: utils: Add acpi_dev_uid_to_integer() helper to get _UID as integer Jianqun Xu
2022-09-20 10:30 ` [PATCH 02/20] pinctrl/rockchip: populate GPIO platform early Jianqun Xu
2022-09-20 10:30 ` [PATCH 03/20] pinctrl/rockchip: use fwnode instead of of_node Jianqun Xu
2022-09-20 10:30 ` [PATCH 04/20] pinctrl/rockchip: switch to use device_get_match_data Jianqun Xu
2022-10-04 7:13 ` Linus Walleij
2022-09-20 10:30 ` [PATCH 05/20] pinctrl/rockchip: of_populate_platform for gpio only for of node Jianqun Xu
2022-09-20 10:30 ` [PATCH 06/20] pinctrl/rockchip: parse dt only if the fwnode is " Jianqun Xu
2022-09-20 10:30 ` [PATCH 07/20] pinctrl/rockchip: print a message if driver probed successfully Jianqun Xu
2022-09-20 10:30 ` [PATCH 08/20] gpiolib: make gpiochip_find_by_name to be common function Jianqun Xu
2022-09-20 10:30 ` [PATCH 09/20] gpio/rockchip: drop 'bank->name' from the driver Jianqun Xu
2022-09-20 10:30 ` [PATCH 10/20] gpio/rockchip: revert deferred output settings on probe Jianqun Xu
2022-09-20 10:30 ` [PATCH 11/20] gpio/rockchip: add of_node for gpiochip Jianqun Xu
2022-10-04 7:14 ` Linus Walleij
2022-10-04 8:30 ` Andy Shevchenko [this message]
2022-10-04 9:06 ` Linus Walleij
[not found] ` <2022100814192810242455@rock-chips.com>
2022-10-08 18:21 ` Andy Shevchenko
2022-09-20 10:31 ` [PATCH 12/20] gpio/rockchip: add return check for clock rate set Jianqun Xu
2022-09-30 9:17 ` Bartosz Golaszewski
2022-09-30 9:28 ` Bartosz Golaszewski
2022-09-20 10:31 ` [PATCH 13/20] gpio/rockchip: disable and put clocks when remove Jianqun Xu
2022-09-30 9:23 ` Bartosz Golaszewski
2022-09-20 10:31 ` [PATCH 14/20] gpio/rockchip: switch to use irq_domain_create_linear Jianqun Xu
2022-09-20 10:31 ` [PATCH 15/20] gpio/rockchip: disable and put clocks when gpiolib register failed Jianqun Xu
2022-10-04 7:16 ` Linus Walleij
2022-10-04 7:16 ` Linus Walleij
2022-09-20 10:31 ` [PATCH 16/20] gpio/rockchip: try to get gpio id from uid when ACPI enabled Jianqun Xu
2022-09-20 10:31 ` [PATCH 17/20] gpio/rockchip: print device with fwnode name when probe successful Jianqun Xu
2022-09-30 9:21 ` Bartosz Golaszewski
2022-09-20 10:31 ` [PATCH 18/20] gpio/rockchip: make use of device property Jianqun Xu
2022-09-20 10:31 ` [PATCH 19/20] gpio/rockchip: make GPIO module work well under ACPI enabled Jianqun Xu
2022-09-20 10:31 ` [PATCH 20/20] pinctrl/rockchip: find existed gpiochip by gpio label Jianqun Xu
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