In one inline function in this header `readl()` is used, but the
declaration was not found, so buildman gave this warning:
w+include/asm/arch/clk.h: In function 'get_h32mxdiv':
w+include/asm/arch/clk.h:65:16: warning: implicit declaration of function 'readl' [-Wimplicit-function-declaration]
Fixes: 927b901b47a6 ("ARM: atmel: add sama5d4ek board support")
Signed-off-by: Alexander Dahl <ada@thorsis.com>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_pmc.h>
#include <asm/global_data.h>
+#include <asm/io.h>
#define GCK_CSS_SLOW_CLK 0
#define GCK_CSS_MAIN_CLK 1