From: stanley.miao <stanley.miao@windriver.com>
Date: Tue, 20 Apr 2010 06:33:30 +0000 (+0000)
Subject: omap: fix a gpmc nand problem
X-Git-Tag: v2.6.34-rc6~26^2~12
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=11e1ef2d105900a302b7ca92bcaf96a96d0274a1;p=~shefty%2Frdma-dev.git

omap: fix a gpmc nand problem

If gpmc_t isn't given, we don't need to set timing for gpmc, or it will cause
a Oops.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 64d74f05abb..e57fb29ff85 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -39,6 +39,9 @@ static int omap2_nand_gpmc_retime(void)
 	struct gpmc_timings t;
 	int err;
 
+	if (!gpmc_nand_data->gpmc_t)
+		return 0;
+
 	memset(&t, 0, sizeof(t));
 	t.sync_clk = gpmc_round_ns_to_ticks(gpmc_nand_data->gpmc_t->sync_clk);
 	t.cs_on = gpmc_round_ns_to_ticks(gpmc_nand_data->gpmc_t->cs_on);