spi: spi-ep93xx: use devm_clk_get()

Use devm_clk_get() so that the clk_put() happens automatically when
the last reference to this driver is dropped.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index 8d562526abe5f299e2742663ab7bd4aab5e08066..cc2a2405bd1df5a2c28d519a0b2cf20328c0fe5d 100644 (file)
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -1016,7 +1016,7 @@ static int ep93xx_spi_probe(struct platform_device *pdev)
 
        espi = spi_master_get_devdata(master);
 
-       espi->clk = clk_get(&pdev->dev, NULL);
+       espi->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(espi->clk)) {
                dev_err(&pdev->dev, "unable to get spi clock\n");
                error = PTR_ERR(espi->clk);
@@ -1039,14 +1039,14 @@ static int ep93xx_spi_probe(struct platform_device *pdev)
        espi->regs_base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(espi->regs_base)) {
                error = PTR_ERR(espi->regs_base);
-               goto fail_put_clock;
+               goto fail_release_master;
        }
 
        error = devm_request_irq(&pdev->dev, irq, ep93xx_spi_interrupt,
                                0, "ep93xx-spi", espi);
        if (error) {
                dev_err(&pdev->dev, "failed to request irq\n");
-               goto fail_put_clock;
+               goto fail_release_master;
        }
 
        if (info->use_dma && ep93xx_spi_setup_dma(espi))
@@ -1080,8 +1080,6 @@ fail_free_queue:
        destroy_workqueue(espi->wq);
 fail_free_dma:
        ep93xx_spi_release_dma(espi);
-fail_put_clock:
-       clk_put(espi->clk);
 fail_release_master:
        spi_master_put(master);
 
@@ -1117,7 +1115,6 @@ static int ep93xx_spi_remove(struct platform_device *pdev)
        spin_unlock_irq(&espi->lock);
 
        ep93xx_spi_release_dma(espi);
-       clk_put(espi->clk);
 
        spi_unregister_master(master);
        return 0;