From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
Thomas Petazzoni
<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH] i2c: mv64xxx: The n clockdiv factor is 0 based on sunxi SoCs
Date: Tue, 29 Sep 2015 14:09:14 +0200 [thread overview]
Message-ID: <20150929120914.GO7104@lukather> (raw)
In-Reply-To: <1443365828-8956-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 721 bytes --]
On Sun, Sep 27, 2015 at 04:57:08PM +0200, Hans de Goede wrote:
> According to the datasheets to n factor for dividing the tclk is
> 2 to the power n on Allwinner SoCs, not 2 to the power n + 1 as it is
> on other mv64xxx implementations.
>
> I've contacted Allwinner about this and they have confirmed that the
> datasheet is correct.
>
> This commit fixes the clk-divider calculations for Allwinner SoCs
> accordingly.
>
> Signed-off-by: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Acked-by: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2015-09-29 12:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-27 14:57 [PATCH] i2c: mv64xxx: The n clockdiv factor is 0 based on sunxi SoCs Hans de Goede
2015-09-27 16:05 ` [linux-sunxi] " Olliver Schinagl
[not found] ` <560813CF.4000807-dxLnbx3+1qmEVqv0pETR8A@public.gmane.org>
2015-09-27 16:53 ` Andrew Lunn
2015-09-29 10:14 ` [linux-sunxi] " Hans de Goede
2015-09-29 12:29 ` Maxime Ripard
2015-09-29 12:09 ` Maxime Ripard
2015-10-01 18:51 ` Olliver Schinagl
[not found] ` <560D80CF.6050500-dxLnbx3+1qmEVqv0pETR8A@public.gmane.org>
2015-10-20 15:58 ` Wolfram Sang
2015-10-20 22:05 ` Olliver Schinagl
2015-10-25 17:32 ` Olliver Schinagl
[not found] ` <1443365828-8956-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-27 19:36 ` Peter Korsgaard
2015-09-29 12:09 ` Maxime Ripard [this message]
2015-11-30 13:51 ` Wolfram Sang
2015-11-30 14:54 ` Wolfram Sang
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