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From: Felipe Balbi <balbi@ti.com>
To: Lokesh Vutla <a0131933@ti.com>, Tony Lindgren <tony@atomide.com>
Cc: "Menon, Nishanth" <nm@ti.com>,
	Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
	Linux ARM Kernel Mailing List
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm: omap2: board-generic: use omap4_local_timer_init for AM437x
Date: Fri, 6 Nov 2015 13:38:38 -0600	[thread overview]
Message-ID: <87d1vmyl35.fsf@saruman.tx.rr.com> (raw)
In-Reply-To: <563C5F3C.5090900@ti.com>


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Hi,

Lokesh Vutla <a0131933@ti.com> writes:
> On Wednesday 21 October 2015 02:35 AM, Felipe Balbi wrote:
>> AM437x-based boards, can use omap4_local_timer_init()
>> just fine. Let's use that instead.
>
> This is breaking AM43x-epos board.
> Today's Linux next: http://pastebin.ubuntu.com/13122620/
> Reverting this patch: http://pastebin.ubuntu.com/13122621/

seems like the 32k timer isn't ticking. I don't have EPOS around, care
to confirm if that board has 32k oscillator populated ? If it doesn't,
then we should probably disable counter32k:

diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 86c2dfbe8875..e703e32b6da6 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -792,3 +792,8 @@
 	tx-num-evt = <32>;
 	rx-num-evt = <32>;
 };
+
+/* 32kHz oscillator not populated */
+&counter32k {
+	status = "disabled";
+};

-- 
balbi

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WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: omap2: board-generic: use omap4_local_timer_init for AM437x
Date: Fri, 6 Nov 2015 13:38:38 -0600	[thread overview]
Message-ID: <87d1vmyl35.fsf@saruman.tx.rr.com> (raw)
In-Reply-To: <563C5F3C.5090900@ti.com>


Hi,

Lokesh Vutla <a0131933@ti.com> writes:
> On Wednesday 21 October 2015 02:35 AM, Felipe Balbi wrote:
>> AM437x-based boards, can use omap4_local_timer_init()
>> just fine. Let's use that instead.
>
> This is breaking AM43x-epos board.
> Today's Linux next: http://pastebin.ubuntu.com/13122620/
> Reverting this patch: http://pastebin.ubuntu.com/13122621/

seems like the 32k timer isn't ticking. I don't have EPOS around, care
to confirm if that board has 32k oscillator populated ? If it doesn't,
then we should probably disable counter32k:

diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 86c2dfbe8875..e703e32b6da6 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -792,3 +792,8 @@
 	tx-num-evt = <32>;
 	rx-num-evt = <32>;
 };
+
+/* 32kHz oscillator not populated */
+&counter32k {
+	status = "disabled";
+};

-- 
balbi
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  reply	other threads:[~2015-11-06 19:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-20 21:05 [PATCH] arm: omap2: board-generic: use omap4_local_timer_init for AM437x Felipe Balbi
2015-10-20 21:05 ` Felipe Balbi
2015-10-21 23:32 ` Tony Lindgren
2015-10-21 23:32   ` Tony Lindgren
2015-11-06  8:05 ` Lokesh Vutla
2015-11-06  8:05   ` Lokesh Vutla
2015-11-06 19:38   ` Felipe Balbi [this message]
2015-11-06 19:38     ` Felipe Balbi

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