spi: omap-uwire: use devm_ functions

This patch introduces the use of devm_clk_get and devm_ioremap instead
of the unmanaged interfaces and removes the corresponding free function
calls.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c
index 0f5a0aa3b871..cbf67f92ec22 100644
--- a/drivers/spi/spi-omap-uwire.c
+++ b/drivers/spi/spi-omap-uwire.c
@@ -447,7 +447,6 @@ static void uwire_off(struct uwire_spi *uwire)
 {
         uwire_write_reg(UWIRE_SR3, 0);
         clk_disable(uwire->ck);
-        clk_put(uwire->ck);
         spi_master_put(uwire->bitbang.master);
 }
 
@@ -463,7 +462,7 @@ static int uwire_probe(struct platform_device *pdev)
 
         uwire = spi_master_get_devdata(master);
 
-        uwire_base = ioremap(UWIRE_BASE_PHYS, UWIRE_IO_SIZE);
+        uwire_base = devm_ioremap(&pdev->dev, UWIRE_BASE_PHYS, UWIRE_IO_SIZE);
         if (!uwire_base) {
                 dev_dbg(&pdev->dev, "can't ioremap UWIRE\n");
                 spi_master_put(master);
@@ -472,12 +471,11 @@ static int uwire_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, uwire);
 
-        uwire->ck = clk_get(&pdev->dev, "fck");
+        uwire->ck = devm_clk_get(&pdev->dev, "fck");
         if (IS_ERR(uwire->ck)) {
                 status = PTR_ERR(uwire->ck);
                 dev_dbg(&pdev->dev, "no functional clock?\n");
                 spi_master_put(master);
-                iounmap(uwire_base);
                 return status;
         }
         clk_enable(uwire->ck);
@@ -507,7 +505,6 @@ static int uwire_probe(struct platform_device *pdev)
         status = spi_bitbang_start(&uwire->bitbang);
         if (status < 0) {
                 uwire_off(uwire);
-                iounmap(uwire_base);
         }
         return status;
 }
@@ -520,7 +517,6 @@ static int uwire_remove(struct platform_device *pdev)
 
         spi_bitbang_stop(&uwire->bitbang);
         uwire_off(uwire);
-        iounmap(uwire_base);
         return 0;
 }