From: Baolin Wang <baolin.wang@linux.alibaba.com>
To: Wenhua Lin <Wenhua.Lin@unisoc.com>,
Linus Walleij <linus.walleij@linaro.org>,
Andy Shevchenko <andy@kernel.org>,
Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Orson Zhai <orsonzhai@gmail.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
wenhua lin <wenhua.lin1994@gmail.com>,
Xiongpeng Wu <xiongpeng.wu@unisoc.com>
Subject: Re: [PATCH V2 2/2] gpio: pmic-eic-sprd: Add can_sleep flag for PMIC EIC chip
Date: Wed, 27 Sep 2023 17:05:10 +0800 [thread overview]
Message-ID: <fdf63e0d-e342-3506-e441-c898c29569c4@linux.alibaba.com> (raw)
In-Reply-To: <20230921122527.15261-3-Wenhua.Lin@unisoc.com>
On 9/21/2023 8:25 PM, Wenhua Lin wrote:
> The drivers uses a mutex and I2C bus access in its PMIC EIC chip
> get implementation. This means these functions can sleep and the PMIC EIC
> chip should set the can_sleep property to true.
>
> This will ensure that a warning is printed when trying to get the
> value from a context that potentially can't sleep.
LGTM.
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> Signed-off-by: Wenhua Lin <Wenhua.Lin@unisoc.com>
> ---
> drivers/gpio/gpio-pmic-eic-sprd.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpio/gpio-pmic-eic-sprd.c b/drivers/gpio/gpio-pmic-eic-sprd.c
> index 442968bb2490..f04a40288638 100644
> --- a/drivers/gpio/gpio-pmic-eic-sprd.c
> +++ b/drivers/gpio/gpio-pmic-eic-sprd.c
> @@ -353,6 +353,7 @@ static int sprd_pmic_eic_probe(struct platform_device *pdev)
> pmic_eic->chip.set_config = sprd_pmic_eic_set_config;
> pmic_eic->chip.set = sprd_pmic_eic_set;
> pmic_eic->chip.get = sprd_pmic_eic_get;
> + pmic_eic->chip.can_sleep = true;
>
> irq = &pmic_eic->chip.irq;
> gpio_irq_chip_set_chip(irq, &pmic_eic_irq_chip);
prev parent reply other threads:[~2023-09-27 9:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 12:25 [PATCH V2 0/2] gpio: pmic-eic-sprd: Modification of UNISOC Platform PMIC EIC Driver Wenhua Lin
2023-09-21 12:25 ` [PATCH V2 1/2] gpio: pmic-eic-sprd: Two-dimensional arrays maintain pmic eic Wenhua Lin
2023-09-27 7:21 ` Bartosz Golaszewski
2023-09-27 9:04 ` Baolin Wang
2023-09-27 9:24 ` Chunyan Zhang
2023-09-27 9:49 ` Baolin Wang
2023-09-28 9:00 ` Chunyan Zhang
2024-01-02 7:29 ` wenhua lin
2023-09-21 12:25 ` [PATCH V2 2/2] gpio: pmic-eic-sprd: Add can_sleep flag for PMIC EIC chip Wenhua Lin
2023-09-21 15:39 ` Andy Shevchenko
2023-09-27 7:13 ` Bartosz Golaszewski
2023-09-27 9:05 ` Baolin Wang [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=fdf63e0d-e342-3506-e441-c898c29569c4@linux.alibaba.com \
--to=baolin.wang@linux.alibaba.com \
--cc=Wenhua.Lin@unisoc.com \
--cc=andy@kernel.org \
--cc=brgl@bgdev.pl \
--cc=linus.walleij@linaro.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=orsonzhai@gmail.com \
--cc=wenhua.lin1994@gmail.com \
--cc=xiongpeng.wu@unisoc.com \
--cc=zhang.lyra@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.