[PATCH] i.MX: ecspi: Enable imx->clk as a part of initialization

[PATCH] i.MX: ecspi: Enable imx->clk as a part of initialization

[Andrey Smirnov]

Some SoCs (e. g. i.MX7) do not enable this clock by default, so add
code to take care of that in the driver.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/spi/imx_spi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
index 78198798a..30ed97c25 100644
--- a/drivers/spi/imx_spi.c
+++ b/drivers/spi/imx_spi.c
@@ -621,6 +621,13 @@ static int imx_spi_probe(struct device_d *dev)
 		goto err_free;
 	}
 
+	ret = clk_enable(imx->clk);
+	if (ret) {
+		dev_err(dev, "Failed to enable clock: %s\n",
+			strerror(ret));
+		return ret;
+	}
+
 	imx->chipselect = devdata->chipselect;
 	imx->xchg_single = devdata->xchg_single;
 	imx->do_transfer = devdata->do_transfer;
-- 
2.14.3


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Re: [PATCH] i.MX: ecspi: Enable imx->clk as a part of initialization

[Sascha Hauer]

On Wed, Jan 10, 2018 at 08:31:59AM -0800, Andrey Smirnov wrote:
> Some SoCs (e. g. i.MX7) do not enable this clock by default, so add
> code to take care of that in the driver.
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> ---
>  drivers/spi/imx_spi.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
> index 78198798a..30ed97c25 100644
> --- a/drivers/spi/imx_spi.c
> +++ b/drivers/spi/imx_spi.c
> @@ -621,6 +621,13 @@ static int imx_spi_probe(struct device_d *dev)
>  		goto err_free;
>  	}
>  
> +	ret = clk_enable(imx->clk);
> +	if (ret) {
> +		dev_err(dev, "Failed to enable clock: %s\n",
> +			strerror(ret));
> +		return ret;
> +	}
> +
>  	imx->chipselect = devdata->chipselect;
>  	imx->xchg_single = devdata->xchg_single;
>  	imx->do_transfer = devdata->do_transfer;
> -- 
> 2.14.3
> 
> 
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