linux-kernel - Re: [PATCH 7/9] staging: nvec: add clk_prepare/clk

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Date:	Fri, 01 Jun 2012 19:31:08 +0200
From:	Marc Dietrich <marvin24@....de>
To:	Prashant Gaikwad <pgaikwad@...dia.com>
Cc:	swarren@...dia.com, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	olof@...om.net, jak@...-linux.org, gregkh@...uxfoundation.org,
	ac100@...ts.launchpad.net, devel@...verdev.osuosl.org
Subject: Re: [PATCH 7/9] staging: nvec: add clk_prepare/clk_unprepare

On Friday 01 June 2012 14:42:46 Prashant Gaikwad wrote:
> Use clk_prepare/clk_unprepare as required by the generic clk framework.
> 
> This patch should go through Tegra tree since other patches to port Tegra
> to generic clock framework are dependent on it. Posting here to get ack from
> the maintainers.
> 
> Signed-off-by: Prashant Gaikwad <pgaikwad@...dia.com>

tested and ...

Acked-By: Marc Dietrich <marvin24@....de>

> ---
>  drivers/staging/nvec/nvec.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
> index 3c60088..9356886 100644
> --- a/drivers/staging/nvec/nvec.c
> +++ b/drivers/staging/nvec/nvec.c
> @@ -675,7 +675,7 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec)
> {
>  	u32 val;
> 
> -	clk_enable(nvec->i2c_clk);
> +	clk_prepare_enable(nvec->i2c_clk);
> 
>  	tegra_periph_reset_assert(nvec->i2c_clk);
>  	udelay(2);
> @@ -695,14 +695,14 @@ static void tegra_init_i2c_slave(struct nvec_chip
> *nvec)
> 
>  	enable_irq(nvec->irq);
> 
> -	clk_disable(nvec->i2c_clk);
> +	clk_disable_unprepare(nvec->i2c_clk);
>  }
> 
>  static void nvec_disable_i2c_slave(struct nvec_chip *nvec)
>  {
>  	disable_irq(nvec->irq);
>  	writel(I2C_SL_NEWSL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG);
> -	clk_disable(nvec->i2c_clk);
> +	clk_disable_unprepare(nvec->i2c_clk);
>  }
> 
>  static void nvec_power_off(void)
> @@ -812,7 +812,7 @@ static int __devinit tegra_nvec_probe(struct
> platform_device *pdev)
> 
>  	tegra_init_i2c_slave(nvec);
> 
> -	clk_enable(i2c_clk);
> +	clk_prepare_enable(i2c_clk);
> 
> 
>  	/* enable event reporting */
--
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