From: Jussi Kivilinna Date: Mon, 30 Jul 2012 07:42:36 +0000 (+0800) Subject: crypto: hifn_795x - fix 64bit division and undefined __divdi3 on 32bit archs X-Git-Tag: v3.6-rc4~20^2~1 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=76f16f83ee520d6c10356b0f6ff592441a6f08bd;p=~emulex%2Finfiniband.git crypto: hifn_795x - fix 64bit division and undefined __divdi3 on 32bit archs Commit feb7b7ab928afa97a79a9c424e4e0691f49d63be changed NSEC_PER_SEC to 64-bit constant, which causes "DIV_ROUND_UP(NSEC_PER_SEC, dev->pk_clk_freq)" to generate __divdi3 call on 32-bit archs. Fix this by changing DIV_ROUND_UP to DIV_ROUND_UP_ULL. Signed-off-by: Jussi Kivilinna Acked-by: Randy Dunlap Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index c9c4befb5a8..df14358d7fa 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -821,8 +821,8 @@ static int hifn_register_rng(struct hifn_device *dev) /* * We must wait at least 256 Pk_clk cycles between two reads of the rng. */ - dev->rng_wait_time = DIV_ROUND_UP(NSEC_PER_SEC, dev->pk_clk_freq) * - 256; + dev->rng_wait_time = DIV_ROUND_UP_ULL(NSEC_PER_SEC, + dev->pk_clk_freq) * 256; dev->rng.name = dev->name; dev->rng.data_present = hifn_rng_data_present,