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path: root/drivers/misc/carma/carma-fpga-program.c
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Diffstat (limited to 'drivers/misc/carma/carma-fpga-program.c')
-rw-r--r--drivers/misc/carma/carma-fpga-program.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index 06166ac000e0..0b1bd85e4ae6 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -479,6 +479,7 @@ static int fpga_program_block(struct fpga_dev *priv, void *buf, size_t count)
static noinline int fpga_program_cpu(struct fpga_dev *priv)
{
int ret;
+ unsigned long timeout;
/* Disable the programmer */
fpga_programmer_disable(priv);
@@ -497,8 +498,8 @@ static noinline int fpga_program_cpu(struct fpga_dev *priv)
goto out_disable_controller;
/* Wait for the interrupt handler to signal that programming finished */
- ret = wait_for_completion_timeout(&priv->completion, 2 * HZ);
- if (!ret) {
+ timeout = wait_for_completion_timeout(&priv->completion, 2 * HZ);
+ if (!timeout) {
dev_err(priv->dev, "Timed out waiting for completion\n");
ret = -ETIMEDOUT;
goto out_disable_controller;
@@ -536,6 +537,7 @@ static noinline int fpga_program_dma(struct fpga_dev *priv)
struct sg_table table;
dma_cookie_t cookie;
int ret, i;
+ unsigned long timeout;
/* Disable the programmer */
fpga_programmer_disable(priv);
@@ -623,8 +625,8 @@ static noinline int fpga_program_dma(struct fpga_dev *priv)
dev_dbg(priv->dev, "enabled the controller\n");
/* Wait for the interrupt handler to signal that programming finished */
- ret = wait_for_completion_timeout(&priv->completion, 2 * HZ);
- if (!ret) {
+ timeout = wait_for_completion_timeout(&priv->completion, 2 * HZ);
+ if (!timeout) {
dev_err(priv->dev, "Timed out waiting for completion\n");
ret = -ETIMEDOUT;
goto out_disable_controller;
@@ -1142,7 +1144,7 @@ out_return:
return ret;
}
-static struct of_device_id fpga_of_match[] = {
+static const struct of_device_id fpga_of_match[] = {
{ .compatible = "carma,fpga-programmer", },
{},
};