From: Kever Yang <kever.yang@rock-chips.com>
To: Jianqun Xu <jay.xu@rock-chips.com>,
linus.walleij@linaro.org, heiko@sntech.de
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v3 2/3] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq【请注意，邮件由linux-rockchip-bounces+kever.yang=rock-chips.com@lists.infradead.org代发】
Date: Wed, 14 Oct 2020 08:23:56 +0800 [thread overview]
Message-ID: <75c48986-1f4c-67a3-1943-5ce51e33bbfd@rock-chips.com> (raw)
In-Reply-To: <20201013063731.3618-3-jay.xu@rock-chips.com>
On 2020/10/13 下午2:37, Jianqun Xu wrote:
> There need to enable pclk_gpio when do irq_create_mapping, since it will
> do access to gpio controller.
>
> Reviewed-by: Heiko Stuebner <heiko@sntech.de>
> Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
> ---
> drivers/pinctrl/pinctrl-rockchip.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
> index 927d132d6716..a2f361aa6d05 100644
> --- a/drivers/pinctrl/pinctrl-rockchip.c
> +++ b/drivers/pinctrl/pinctrl-rockchip.c
> @@ -3157,7 +3157,9 @@ static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
> if (!bank->domain)
> return -ENXIO;
>
> + clk_enable(bank->clk);
> virq = irq_create_mapping(bank->domain, offset);
> + clk_disable(bank->clk);
>
> return (virq) ? : -ENXIO;
> }
Looks good to me,
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
Thanks,
- Kever
next prev parent reply other threads:[~2020-10-14 0:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-13 6:37 [PATCH v3 0/3] rockchip-pinctrl fixes Jianqun Xu
2020-10-13 6:37 ` [PATCH v3 1/3] pinctrl: rockchip: make driver be tristate module Jianqun Xu
2020-10-14 0:23 ` [PATCH v3 1/3] pinctrl: rockchip: make driver be tristate module【请注意，邮件由linux-rockchip-bounces+kever.yang=rock-chips.com@lists.infradead.org代发】 Kever Yang
2020-10-13 6:37 ` [PATCH v3 2/3] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq Jianqun Xu
2020-10-14 0:23 ` Kever Yang [this message]
2020-10-13 6:37 ` [PATCH v3 3/3] pinctrl: rockchip: create irq mapping in gpio_to_irq Jianqun Xu
2020-10-14 0:24 ` [PATCH v3 3/3] pinctrl: rockchip: create irq mapping in gpio_to_irq【请注意，邮件由linux-rockchip-bounces+kever.yang=rock-chips.com@lists.infradead.org代发】 Kever Yang
2020-10-13 8:22 ` [PATCH v3 0/3] rockchip-pinctrl fixes Heiko Stübner
2020-10-28 15:55 ` Linus Walleij
2020-10-28 15:56 ` Linus Walleij
2020-10-28 15:54 ` Linus Walleij
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