On Fri, May 13, 2011 at 12:46:17AM +0530, Premi, Sanjeev wrote:
> > -----Original Message-----
> > From: Menon, Nishanth
...
> > Last I tried, with Vishwa's dvfs branch on panda without voltage
> > registrations, things could crash :( if I get some time I will try to
> > port Vishwa's series onto kevin's branch as well and test and provide
> > any patches necessary.
>
> [sp] I can try this on Panda. Will be able to get one tomorrow.
In case it helps, below is what I use for Panda.
---
ARM: OMAP2 voltage: Don't die if board does not register voltage params
This allows the DVFS patches to boot on boards not yet modified to
register voltage params.
Signed-off-by: Todd Poynor <toddpoynor@xxxxxxxxxx>
---
arch/arm/mach-omap2/voltage.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index dbc1cfe..8f23d95 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -617,6 +617,12 @@ static void __init omap4_vc_init(struct omap_vdd_info *vdd)
struct clk *sys_ck;
u32 sys_clk_speed;
+ if (!vdd->board_data) {
+ pr_warning("%s: No voltage board params registered for vdd_%s\n",
+ __func__, vdd->voltdm.name);
+ return;
+ }
+
sys_ck = clk_get(NULL, "sys_clkin_ck");
if (IS_ERR(sys_ck)) {
pr_warning("%s: Could not get the sys clk to calculate"
--
1.7.3.1
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