From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-acpi@vger.kernel.org,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Len Brown <lenb@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ACPI: implement acpi_os_get_timer() according the spec
Date: Mon, 13 May 2013 14:44:32 +0300 [thread overview]
Message-ID: <20130513114432.GK20562@intel.com> (raw)
In-Reply-To: <9521576.ePuIMg9qsX@vostro.rjw.lan>
On Mon, May 13, 2013 at 01:38:46PM +0200, Rafael J. Wysocki wrote:
> On Monday, May 13, 2013 01:27:51 PM Mika Westerberg wrote:
> > ACPI Timer() opcode should return monotonically increasing clock with 100ns
> > granularity. Implement this with the help of ktime_get().
> >
> > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
>
> That looks reasobable. Have you tested it?
Very lightly. Basically I added some debug printks() between two
successsive calls of Timer() and it seemed like it returned correct time.
It is certainly better than returning t+1 every time Timer() is called :)
next prev parent reply other threads:[~2013-05-13 11:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-13 10:27 [PATCH] ACPI: implement acpi_os_get_timer() according the spec Mika Westerberg
2013-05-13 11:38 ` Rafael J. Wysocki
2013-05-13 11:44 ` Mika Westerberg [this message]
2013-05-20 10:25 ` Mika Westerberg
2013-05-20 11:07 ` Rafael J. Wysocki
2013-05-20 11:28 ` [PATCH v2] " Mika Westerberg
2013-05-23 7:27 ` [PATCH v3] " Mika Westerberg
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