From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] pinctrl: at91: fix clk_unprepare and clk_disable order
Date: Mon, 16 Dec 2013 10:56:55 +0100 [thread overview]
Message-ID: <52AECE67.6050507@atmel.com> (raw)
In-Reply-To: <1387132252-2584-2-git-send-email-b.brezillon@overkiz.com>
On 15/12/2013 19:30, Boris BREZILLON :
> clk_unprepare shall be called before clk_disable.
> Fix the issue by replacing the clk_unprepare and clk_disable calls by a
> single clk_disable_unprepare call.
>
> Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Thanks.
> ---
> drivers/pinctrl/pinctrl-at91.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
> index a7549c4..82f6301 100644
> --- a/drivers/pinctrl/pinctrl-at91.c
> +++ b/drivers/pinctrl/pinctrl-at91.c
> @@ -1339,13 +1339,11 @@ void at91_pinctrl_gpio_suspend(void)
> __raw_writel(backups[i], pio + PIO_IDR);
> __raw_writel(wakeups[i], pio + PIO_IER);
>
> - if (!wakeups[i]) {
> - clk_unprepare(gpio_chips[i]->clock);
> - clk_disable(gpio_chips[i]->clock);
> - } else {
> + if (!wakeups[i])
> + clk_disable_unprepare(gpio_chips[i]->clock);
> + else
> printk(KERN_DEBUG "GPIO-%c may wake for %08x\n",
> 'A'+i, wakeups[i]);
> - }
> }
> }
>
>
--
Nicolas Ferre
next prev parent reply other threads:[~2013-12-16 9:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-15 18:30 [PATCH 0/2] pinctrl: at91: fix clk handling in suspend/resume funcs Boris BREZILLON
2013-12-15 18:30 ` [PATCH 1/2] pinctrl: at91: fix clk_unprepare and clk_disable order Boris BREZILLON
2013-12-16 9:56 ` Nicolas Ferre [this message]
2013-12-16 13:22 ` Linus Walleij
2013-12-15 18:30 ` [PATCH 2/2] pinctrl: at91: replace clk_prepare + clk_enable by clk_prepare_enable Boris BREZILLON
2013-12-16 9:57 ` Nicolas Ferre
2013-12-16 13:23 ` Linus Walleij
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