i2c-designware: use div_u64 to fix link

This fixes the following link error:

  drivers/built-in.o: In function `dw_i2c_probe':
  of_iommu.c:(.text+0x18c8f0): undefined reference to `__aeabi_uldivmod'
  make: *** [vmlinux] Error 1

Signed-off-by: Vincent Stehlé <[email protected]>
Tested-by: Kevin Hilman <[email protected]>
Reviewed-by: Christian Ruppert <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index def79b5fd4c8af986078af105186430a7287ebcf..4c5fadabe49df3236e479c86105d7e479aa90d79 100644 (file)
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -122,7 +122,8 @@ static int dw_i2c_probe(struct platform_device *pdev)
 
                of_property_read_u32(pdev->dev.of_node,
                                        "i2c-sda-hold-time-ns", &ht);
-               dev->sda_hold_time = ((u64)ic_clk * ht + 500000) / 1000000;
+               dev->sda_hold_time = div_u64((u64)ic_clk * ht + 500000,
+                                            1000000);
        }
 
        dev->functionality =