From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: randconfig errors
Date: Fri, 22 Feb 2013 09:29:08 +0000 [thread overview]
Message-ID: <201302220929.08736.arnd@arndb.de> (raw)
In-Reply-To: <511E9A73.4090806@boundarydevices.com>
On Friday 15 February 2013, Troy Kisky wrote:
> > Commit 7248001, "clk: vt8500: Fix device clock divisor calculations"
> > introduced logic to improve divider selection while changing rates for
> > the VT8500 dclk. However a copy-paste error results in using the wrong
> > variable name in the .set_rate callback. Fixed by changing *prate to
> > parent_rate. The .round_rate function is correct and remains unchanged.
> >
> > Signed-off-by: Mike Turquette <mturquette@linaro•org>
> > Cc: Tony Prisk <linux@prisktech•co.nz>
> > Cc: Arnd Bergmann <arnd@arndb•de>
> > Cc: Rob Herring <robherring2@gmail•com>
> > ---
> > drivers/clk/clk-vt8500.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c
> > index b5538bb..c010861 100644
> > --- a/drivers/clk/clk-vt8500.c
> > +++ b/drivers/clk/clk-vt8500.c
> > @@ -156,8 +156,8 @@ static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
> >
> > divisor = parent_rate / rate;
> >
> > - /* If prate / rate would be decimal, incr the divisor */
> > - if (rate * divisor < *prate)
> > + /* If parent_rate / rate would be decimal, incr the divisor */
> > + if (rate * divisor < parent_rate)
> > divisor++;
> >
> > if (divisor == cdev->div_mask + 1)
> What about just
>
> divisor = (parent_rate + rate - 1) / rate;
>
This is now broken in Linus' upstream tree. Could you get one fix merged?
Arnd
next prev parent reply other threads:[~2013-02-22 9:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-15 17:25 randconfig errors Rob Herring
2013-02-15 18:00 ` Arnd Bergmann
2013-02-15 20:11 ` Mike Turquette
2013-02-15 20:28 ` Troy Kisky
2013-02-22 9:29 ` Arnd Bergmann [this message]
2013-02-15 18:22 ` Marc Zyngier
2013-02-15 18:47 ` Marc Zyngier
2013-02-15 19:16 ` Christoffer Dall
2013-02-15 19:22 ` Marc Zyngier
2013-02-15 19:24 ` Christoffer Dall
[not found] ` <c01a8ed845054b9d9cbddb341bac5f0e@DLEE74.ent.ti.com>
2013-02-15 19:45 ` Matt Porter
2013-02-15 20:12 ` Arnd Bergmann
2013-02-15 20:25 ` Chris Ball
2013-02-20 6:36 ` Vinod Koul
2013-02-20 9:53 ` Arnd Bergmann
2013-02-21 10:38 ` Shawn Guo
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