Merge branch 'omap-clock-upstream' of git://git.pwsan.com/linux-2.6 into for-next

1 files changed, 14 insertions, 6 deletions

diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index ba05aa42bd8..62021397e5f 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -281,6 +281,8 @@ static struct omap_clk omap34xx_clks[] = {
 
 #define MAX_DPLL_WAIT_TRIES		1000000
 
+#define MIN_SDRC_DLL_LOCK_FREQ		83000000
+
 /**
  * omap3_dpll_recalc - recalculate DPLL rate
  * @clk: DPLL struct clk
@@ -703,6 +705,7 @@ static int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
 static int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate)
 {
 	u32 new_div = 0;
+	u32 unlock_dll = 0;
 	unsigned long validrate, sdrcrate;
 	struct omap_sdrc_params *sp;
 
@@ -729,17 +732,22 @@ static int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate)
 	if (!sp)
 		return -EINVAL;
 
-	pr_info("clock: changing CORE DPLL rate from %lu to %lu\n", clk->rate,
-		validrate);
-	pr_info("clock: SDRC timing params used: %08x %08x %08x\n",
-		sp->rfr_ctrl, sp->actim_ctrla, sp->actim_ctrlb);
+	if (sdrcrate < MIN_SDRC_DLL_LOCK_FREQ) {
+		pr_debug("clock: will unlock SDRC DLL\n");
+		unlock_dll = 1;
+	}
+
+	pr_debug("clock: changing CORE DPLL rate from %lu to %lu\n", clk->rate,
+		 validrate);
+	pr_debug("clock: SDRC timing params used: %08x %08x %08x\n",
+		 sp->rfr_ctrl, sp->actim_ctrla, sp->actim_ctrlb);
 
 	/* REVISIT: SRAM code doesn't support other M2 divisors yet */
 	WARN_ON(new_div != 1 && new_div != 2);
 
 	/* REVISIT: Add SDRC_MR changing to this code also */
 	omap3_configure_core_dpll(sp->rfr_ctrl, sp->actim_ctrla,
-				  sp->actim_ctrlb, new_div);
+				  sp->actim_ctrlb, new_div, unlock_dll);
 
 	return 0;
 }
@@ -956,7 +964,7 @@ int __init omap2_clk_init(void)
 	clk_init(&omap2_clk_functions);
 
 	for (c = omap34xx_clks; c < omap34xx_clks + ARRAY_SIZE(omap34xx_clks); c++)
-		clk_init_one(c->lk.clk);
+		clk_preinit(c->lk.clk);
 
 	for (c = omap34xx_clks; c < omap34xx_clks + ARRAY_SIZE(omap34xx_clks); c++)
 		if (c->cpu & cpu_clkflg) {