Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Jianqun Xu <jay.xu@rock-chips.com>
To:     linus.walleij@linaro.org, heiko@sntech.de
Cc:     linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-rockchip@lists.infradead.org,
        Jianqun Xu <jay.xu@rock-chips.com>
Subject: [PATCH 3/5] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq
Date:   Mon,  7 Sep 2020 10:59:25 +0800
Message-Id: <20200907025927.9713-4-jay.xu@rock-chips.com>
In-Reply-To: <20200907025927.9713-1-jay.xu@rock-chips.com>
References: <20200831084753.7115-1-jay.xu@rock-chips.com>
 <20200907025927.9713-1-jay.xu@rock-chips.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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 cc7512acfc5f..58fd4d822591 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;
 }
-- 
2.17.1