From: Vincent Stehlé <vincent.stehle@freescale.com>
Date: Tue, 2 Jul 2013 09:46:54 +0000 (+0200)
Subject: i2c-designware: use div_u64 to fix link
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=97191d734f6ac028e5e6dcd574378c1544a16c0b;p=openwrt%2Fstaging%2Fblogic.git

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 <vincent.stehle@freescale.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Christian Ruppert <christian.ruppert@abilis.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index def79b5fd4c8..4c5fadabe49d 100644
--- 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 =