From: "Ville Syrjälä" <syrjala@sci.fi>
To: linux-fbdev-devel@lists.sourceforge.net
Cc: alex.kern@gmx.de, jsimmons@infradead.org, stable@kernel.org,
adaplas@gmail.com
Subject: Re: [PATCH] atyfb: Replace busy loop with mdelay()
Date: Tue, 6 Mar 2007 02:29:43 +0200 [thread overview]
Message-ID: <20070306002943.GA9193@sci.fi> (raw)
In-Reply-To: <20070305155318.23fff053.akpm@linux-foundation.org>
On Mon, Mar 05, 2007 at 03:53:18PM -0800, Andrew Morton wrote:
> @@ -614,7 +613,7 @@ static void aty_resume_pll_ct(const stru
> * helps for Rage Mobilities that sometimes crash when
> * we switch to sclk. (Daniel Mantione, 13-05-2003)
> */
> - for (i=0;i<=0x1ffff;i++);
> + udelay(500);
I'm not sure if 500 us is enough. The programmer's guide says you should
allow 5 ms for the PLL to lock.
--
Ville Syrjälä
syrjala@sci.fi
http://www.sci.fi/~syrjala/
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next prev parent reply other threads:[~2007-03-06 0:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-22 0:20 [PATCH] atyfb: Replace busy loop with mdelay() Ville Syrjälä
2007-02-22 1:14 ` Antonino A. Daplas
2007-03-05 23:53 ` Andrew Morton
2007-03-06 0:29 ` Ville Syrjälä [this message]
2007-03-07 1:13 ` [stable] " Greg KH
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