From: lyx <lyx@rock-chips.com>
Date: Wed, 14 Sep 2011 02:30:25 +0000 (-0700)
Subject: newton: improve smc drivers
X-Git-Tag: firefly_0821_release~9767^2~26^2~9
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d412ece815c6884a9ffd85c64ab8fe6807773867;p=firefly-linux-kernel-4.4.55.git

newton: improve smc drivers

1.减少smc0_write函数中的delay，提高irda模块调用该接口进行数据发送的效率
---

diff --git a/drivers/smc/rk29_smc.c b/drivers/smc/rk29_smc.c
index 7f1339a1bb88..36d99d9fbfbb 100755
--- a/drivers/smc/rk29_smc.c
+++ b/drivers/smc/rk29_smc.c
@@ -155,7 +155,7 @@ int smc0_write(u32 addr, u16 data)
     u16 *p = rank0_vir_base + addr;
 	int readdata;
     *p = data;
-	udelay(5);
+	udelay(2);
 	//readdata = *p;
 	//mdelay(5);
 	//mdelay(10);