Hi Tony,
[...]
>> I've applied these into dmtimer branch with some changes to simplify
>> things further. I've also merged it into linux-omap master branch
>> for further testing.
>>
>> I'll reply to your patches with the changes I've done. Care give the
>> dmtimer branch a try and see if I've missed something?
> Sure, I will go through the changes and do testing on it.
Please find the missing/correction in the patch below.
You can include them as part of patch 9.
Thanks.
--
Tarun
>From 98cb7949054214684d7361eed2e382fa716ab0da Mon Sep 17 00:00:00 2001
From: Tarun Kanti DebBarma <tarun.kanti@xxxxxx>
Date: Fri, 23 Sep 2011 14:48:56 +0530
Subject: [correction] [PATCH 09/12] OMAP: dmtimer: low-power mode support
These are some missing content as well as correction to this patch.
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@xxxxxx>
---
arch/arm/plat-omap/dmtimer.c | 21 ++++++++++++++++++---
1 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index de7896f..81a2305 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -79,9 +79,9 @@ static void omap_dm_timer_write_reg(struct
omap_dm_timer *timer, u32 reg,
static void omap_timer_restore_context(struct omap_dm_timer *timer)
{
- omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_OFFSET,
- timer->context.tiocp_cfg);
- if (timer->revision > 1)
+ __raw_writel(timer->context.tiocp_cfg,
+ timer->io_base + OMAP_TIMER_OCP_CFG_OFFSET);
+ if (timer->revision == 1)
__raw_writel(timer->context.tistat, timer->sys_stat);
__raw_writel(timer->context.tisr, timer->irq_stat);
@@ -356,6 +356,21 @@ int omap_dm_timer_stop(struct omap_dm_timer *timer)
__omap_dm_timer_stop(timer, timer->posted, rate);
+ if (timer->loses_context) {
+ if (timer->get_context_loss_count)
+ timer->ctx_loss_count =
+ timer->get_context_loss_count(&timer->pdev->dev);
+ }
+
+ /*
+ * Since the register values are computed and written within
+ * __omap_dm_timer_stop, we need to use read to retrieve the
+ * context.
+ */
+ timer->context.tclr =
+ omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
+ timer->context.tisr = __raw_readl(timer->irq_stat);
+ omap_dm_timer_disable(timer);
return 0;
}
EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
--
1.7.0.4
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