Fix the following sparse warning:
./clk-scu.c:23:20: warning: symbol 'pd_np' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
#define IMX_SIP_SET_CPUFREQ 0x00
static struct imx_sc_ipc *ccm_ipc_handle;
-struct device_node *pd_np;
+static struct device_node *pd_np;
static struct platform_driver imx_clk_scu_driver;
struct imx_scu_clk_node {