[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 at 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