The speed grade type is unsigned according to the dt-bindings.

Fix sparse issue (-Wtypesign):
CHECK   drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c:162:56: warning: 
incorrect type in argument 3 (different signedness)
drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c:162:56:    expected 
unsigned int [usertype] *out_value
drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c:162:56:    got int 
*<noident>

Signed-off-by: Xavier Roumegue <xroume...@gmail.com>
---
 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c 
b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
index 7b8be52..bf3fe7c 100644
--- a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
+++ b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
@@ -68,7 +68,7 @@ struct clk_wzrd {
        struct clk *axi_clk;
        struct clk *clks_internal[wzrd_clk_int_max];
        struct clk *clkout[WZRD_NUM_OUTPUTS];
-       int speed_grade;
+       unsigned int speed_grade;
        bool suspended;
 };
 
-- 
2.9.3

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