clk_get() returns a struct clk cookie to the driver and some platforms
may return NULL if they only support a single clock.  clk_get() has only
failed if it returns a ERR_PTR() encoded pointer.

Cc: spi-devel-general@lists.sourceforge.net
Signed-off-by: Jamie Iles <ja...@jamieiles.com>
---
 drivers/spi/dw_spi_mmio.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/dw_spi_mmio.c b/drivers/spi/dw_spi_mmio.c
index db35bd9..2fa012c 100644
--- a/drivers/spi/dw_spi_mmio.c
+++ b/drivers/spi/dw_spi_mmio.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/clk.h>
+#include <linux/err.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
@@ -68,8 +69,8 @@ static int __devinit dw_spi_mmio_probe(struct platform_device 
*pdev)
        }
 
        dwsmmio->clk = clk_get(&pdev->dev, NULL);
-       if (!dwsmmio->clk) {
-               ret = -ENODEV;
+       if (IS_ERR(dwsmmio->clk)) {
+               ret = PTR_ERR(dwsmmio->clk);
                goto err_irq;
        }
        clk_enable(dwsmmio->clk);
-- 
1.7.3.4


------------------------------------------------------------------------------
Gaining the trust of online customers is vital for the success of any company
that requires sensitive data to be transmitted over the Web.   Learn how to 
best implement a security strategy that keeps consumers' information secure 
and instills the confidence they need to proceed with transactions.
http://p.sf.net/sfu/oracle-sfdevnl 
_______________________________________________
spi-devel-general mailing list
spi-devel-general@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/spi-devel-general

Reply via email to