ep93xx: clock: Don't use plain integer as NULL pointer

Fix sparse warning:
arch/arm/mach-ep93xx/clock.c:210:35: sparse: sparse: Using plain integer as NULL pointer

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org/thread/TLFJ6D7WGMDJSQ6XK7UZE4XR2PLRZJSV/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index 28e0ae6..4fa6ea5 100644 (file)
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -209,7 +209,7 @@ static int ep93xx_mux_determine_rate(struct clk_hw *hw,
                                struct clk_rate_request *req)
 {
        unsigned long rate = req->rate;
-       struct clk *best_parent = 0;
+       struct clk *best_parent = NULL;
        unsigned long __parent_rate;
        unsigned long best_rate = 0, actual_rate, mclk_rate;
        unsigned long best_parent_rate;