From: sshtylyov@ru.mvista.com (Sergei Shtylyov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 5/9] ARM: versatile: Map local timers using Device Tree when possible
Date: Sat, 10 Dec 2011 19:27:09 +0400 [thread overview]
Message-ID: <4EE37A4D.8060204@ru.mvista.com> (raw)
In-Reply-To: <1323457432-4800-6-git-send-email-pawel.moll@arm.com>
Hello.
On 09-12-2011 23:03, Pawel Moll wrote:
> If twd_base is not set, try to map the TWD registers from
> "arm,smp-twd" Device Tree node (compatible value as used in
> Highbank's DT).
> Signed-off-by: Pawel Moll<pawel.moll@arm.com>
> ---
> arch/arm/plat-versatile/localtimer.c | 12 ++++++++++++
> 1 files changed, 12 insertions(+), 0 deletions(-)
> diff --git a/arch/arm/plat-versatile/localtimer.c b/arch/arm/plat-versatile/localtimer.c
> index 0fb3961..e3da322 100644
> --- a/arch/arm/plat-versatile/localtimer.c
> +++ b/arch/arm/plat-versatile/localtimer.c
[...]
> @@ -21,6 +23,16 @@
> */
> int __cpuinit local_timer_setup(struct clock_event_device *evt)
> {
> +#if defined(CONFIG_OF)
> + if (!twd_base) {
> + struct device_node *np = of_find_compatible_node(NULL,
> + NULL, "arm,smp-twd");
> +
> + twd_base = of_iomap(np, 0);
> + if (!twd_base)
> + return -ENXIO;
-ENOMEM.
WBR, Sergei
next prev parent reply other threads:[~2011-12-10 15:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-09 19:03 [PATCH v5 0/9] Versatile Express DT support Pawel Moll
2011-12-09 19:03 ` [PATCH v5 1/9] ARM: versatile: Add missing ENDPROC to headsmp.S Pawel Moll
2011-12-09 19:03 ` [PATCH v5 2/9] ARM: vexpress: Get rid of MMIO_P2V Pawel Moll
2011-12-09 19:03 ` [PATCH v5 3/9] ARM: vexpress: Add Device Tree support Pawel Moll
2011-12-09 19:03 ` [PATCH v5 4/9] ARM: vexpress: Motherboard RS1 memory map support Pawel Moll
2011-12-09 19:03 ` [PATCH v5 5/9] ARM: versatile: Map local timers using Device Tree when possible Pawel Moll
2011-12-10 15:27 ` Sergei Shtylyov [this message]
2011-12-12 11:03 ` Pawel Moll
2011-12-12 11:18 ` Sergei Shtylyov
2011-12-12 11:29 ` Pawel Moll
2011-12-12 14:04 ` Russell King - ARM Linux
2011-12-12 14:06 ` Pawel Moll
2011-12-09 19:03 ` [PATCH v5 6/9] ARM: vexpress: Use FDT data in platform SMP calls Pawel Moll
2011-12-09 19:03 ` [PATCH v5 7/9] ARM: vexpress: Add Device Tree for V2P-CA5s core tile Pawel Moll
2011-12-09 19:03 ` [PATCH v5 8/9] ARM: vexpress: Add Device Tree for V2P-CA9 " Pawel Moll
2011-12-09 19:03 ` [PATCH v5 9/9] ARM: vexpress: Add Device Tree for V2P-CA15 core tile (TC1 variant) Pawel Moll
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