soc/tegra: Watch wait_for_completion_timeout() return type

The return type of the wait_for_completion_timeout() function is not int
but unsigned long. An appropriately named unsigned long is added and the
assignment fixed up.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/soc/tegra/fuse/fuse-tegra20.c b/drivers/soc/tegra/fuse/fuse-tegra20.c
index 5eff6f097f98..6acc2c44ee2c 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra20.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra20.c
@@ -59,6 +59,7 @@ static u32 tegra20_fuse_readl(const unsigned int offset)
         int ret;
         u32 val = 0;
         struct dma_async_tx_descriptor *dma_desc;
+        unsigned long time_left;
 
         mutex_lock(&apb_dma_lock);
 
@@ -82,9 +83,10 @@ static u32 tegra20_fuse_readl(const unsigned int offset)
 
         dmaengine_submit(dma_desc);
         dma_async_issue_pending(apb_dma_chan);
-        ret = wait_for_completion_timeout(&apb_dma_wait, msecs_to_jiffies(50));
+        time_left = wait_for_completion_timeout(&apb_dma_wait,
+                                                msecs_to_jiffies(50));
 
-        if (WARN(ret == 0, "apb read dma timed out"))
+        if (WARN(time_left == 0, "apb read dma timed out"))
                 dmaengine_terminate_all(apb_dma_chan);
         else
                 val = *apb_buffer;