linux-kernel - Re: [PATCH] clk: mvebu: a3700: fix the XTAL MODE pin to MPP1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20201201094654.n3w632cmtnsg2irh@pali>
Date:   Tue, 1 Dec 2020 10:46:54 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Marek Behún <kabel@...nel.org>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Terry Zhou <bjzhou@...vell.com>,
        Konstantin Porotchkin <kostap@...vell.com>
Subject: Re: [PATCH] clk: mvebu: a3700: fix the XTAL MODE pin to MPP1_9

PING! I would like to remind this patch.

On Friday 13 November 2020 11:19:19 Pali Rohár wrote:
> Michael, Stephen: Could you take this clk patch?
> 
> On Friday 06 November 2020 11:51:18 Marek Behún wrote:
> > Also, this is how A3720 WTMI code and ATF determines XTAL clock rate.
> > No reason for kernel to do it differently.
> > 
> > Reviewed-by: Marek Behún <kabel@...nel.org>
> > 
> > On Fri,  6 Nov 2020 11:00:39 +0100
> > Pali Rohár <pali@...nel.org> wrote:
> > 
> > > From: Terry Zhou <bjzhou@...vell.com>
> > > 
> > > There is an error in the current code that the XTAL MODE
> > > pin was set to NB MPP1_31 which should be NB MPP1_9.
> > > The latch register of NB MPP1_9 has different offset of 0x8.
> > > 
> > > Signed-off-by: Terry Zhou <bjzhou@...vell.com>
> > > [pali: Fix pin name in commit message]
> > > Signed-off-by: Pali Rohár <pali@...nel.org>
> > > Fixes: 7ea8250406a6 ("clk: mvebu: Add the xtal clock for Armada 3700 SoC")
> > > Cc: stable@...r.kernel.org
> > > 
> > > ---
> > > This patch is present in Marvell SDK and also in Marvell's kernel fork:
> > > https://github.com/MarvellEmbeddedProcessors/linux-marvell/commit/80d4cec4cef8282e5ac3aaf98ce3e68fb299a134
> > > 
> > > Konstantin Porotchkin wrote on Github that Gregory Clement was notified
> > > about this patch, but as this patch is still not in mainline kernel I'm
> > > sending it again for review.
> > > 
> > > In original commit message (only in commit message, not code) was
> > > specified MPP9 pin on South Bridge, but correct is North Bridge.
> > > ---
> > >  drivers/clk/mvebu/armada-37xx-xtal.c | 4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/clk/mvebu/armada-37xx-xtal.c b/drivers/clk/mvebu/armada-37xx-xtal.c
> > > index e9e306d4e9af..41271351cf1f 100644
> > > --- a/drivers/clk/mvebu/armada-37xx-xtal.c
> > > +++ b/drivers/clk/mvebu/armada-37xx-xtal.c
> > > @@ -13,8 +13,8 @@
> > >  #include <linux/platform_device.h>
> > >  #include <linux/regmap.h>
> > >  
> > > -#define NB_GPIO1_LATCH	0xC
> > > -#define XTAL_MODE	    BIT(31)
> > > +#define NB_GPIO1_LATCH	0x8
> > > +#define XTAL_MODE	    BIT(9)
> > >  
> > >  static int armada_3700_xtal_clock_probe(struct platform_device *pdev)
> > >  {
> >