From f266950d0234599cc6d4a5602e43d0fb782de1d2 Mon Sep 17 00:00:00 2001
From: Jouni Hogander <jouni.hogander@nokia.com>
Date: Tue, 27 Jan 2009 19:44:38 -0700
Subject: [PATCH] [ARM] OMAP3: PM: Emu_pwrdm is switched off by hardware even
when sdti is in use
Using sdti doesn't keep emu_pwrdm on if hardware supervised pwrdm
transitions are used. This causes sdti stop to work when power
management is initialized and hardware supervised pwrdm control is
enabled. This patch disables hardware supervised pwrdm control for
emu_pwrdm. Now emu_pwrdm is switched off on boot by software when it
is not used.
Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/mach-omap2/clockdomains.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h
index 9eb734328107..d7db796403dc 100644
--- a/arch/arm/mach-omap2/clockdomains.h
+++ b/arch/arm/mach-omap2/clockdomains.h
@@ -248,10 +248,14 @@ static struct clockdomain per_clkdm = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
+/*
+ * Disable hw supervised mode for emu_clkdm, because emu_pwrdm is
+ * switched of even if sdti is in use
+ */
static struct clockdomain emu_clkdm = {
.name = "emu_clkdm",
.pwrdm = { .name = "emu_pwrdm" },
- .flags = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_SWSUP,
+ .flags = /* CLKDM_CAN_ENABLE_AUTO | */CLKDM_CAN_SWSUP,
.clktrctrl_mask = OMAP3430_CLKTRCTRL_EMU_MASK,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
--
2.30.9