Enable to break waiting loop at any time.

Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---

Changes in v2:
- Change return value to EINTR
- Add missing header for ctrlc

 drivers/net/zynq_gem.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 858093f0d7e2..81bd8b94901b 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -13,6 +13,7 @@
 #include <net.h>
 #include <netdev.h>
 #include <config.h>
+#include <console.h>
 #include <fdtdec.h>
 #include <libfdt.h>
 #include <malloc.h>
@@ -447,6 +448,11 @@ static int wait_for_bit(const char *func, u32 *reg, const 
u32 mask,
                if (get_timer(start) > timeout)
                        break;
 
+               if (ctrlc()) {
+                       puts("Abort\n");
+                       return -EINTR;
+               }
+
                udelay(1);
        }
 
-- 
1.9.1

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