From: Boris Brezillon <boris.brezillon@collabora.com>
To: vitor <vitor.soares@synopsys.com>
Cc: linux-i3c@lists.infradead.org, joao.pinto@synopsys.com,
bbrezillon@kernel.org
Subject: Re: [PATCH] i3c: master:dw: Fix dw_i3c_master_disable controller by using correct mask
Date: Sat, 30 Mar 2019 08:54:52 +0100 [thread overview]
Message-ID: <20190330085452.47ec2621@collabora.com> (raw)
In-Reply-To: <e02e8ce4-e392-99db-b1c1-d9b5046033d4@synopsys.com>
On Wed, 27 Mar 2019 21:37:59 +0000
vitor <vitor.soares@synopsys.com> wrote:
> Hi Boris,
>
>
> On 06/03/19 21:57, Vitor Soares wrote:
> > The controller is disable by clear the DEV_CTRL_ENABLE bit rather
^disabled by clearing
> > than set it. This is fixed by using the correct mask.
^setting
The commit message is not accurate. You were not setting the
DEV_CTRL_ENABLE bit, you were actually masking all other bits and
keeping the DEV_CTRL_ENABLE one unchanged.
> >
> > Fixes: 1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
Missing
Cc: <stable@vger.kernel.org>
line.
Can you send a new version with this fixed?
Thanks,
Boris
> > Signed-off-by: Vitor Soares <vitor.soares@synopsys.com>
> > ---
> > drivers/i3c/master/dw-i3c-master.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
> > index bb03079..ec385fb 100644
> > --- a/drivers/i3c/master/dw-i3c-master.c
> > +++ b/drivers/i3c/master/dw-i3c-master.c
> > @@ -300,7 +300,7 @@ to_dw_i3c_master(struct i3c_master_controller *master)
> >
> > static void dw_i3c_master_disable(struct dw_i3c_master *master)
> > {
> > - writel(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_ENABLE,
> > + writel(readl(master->regs + DEVICE_CTRL) & ~DEV_CTRL_ENABLE,
> > master->regs + DEVICE_CTRL);
> > }
> >
>
> Friendly ping.
>
>
> Best regards,
> Vitor Soares
>
> _______________________________________________
> linux-i3c mailing list
> linux-i3c@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-i3c
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next prev parent reply other threads:[~2019-03-30 7:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 21:57 [PATCH] i3c: master:dw: Fix dw_i3c_master_disable controller by using correct mask Vitor Soares
2019-03-27 21:37 ` vitor
2019-03-30 7:54 ` Boris Brezillon [this message]
2019-04-01 16:58 ` vitor
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