Messages in this thread | | | From | Stephen Boyd <> | Subject | RE: [PATCH] clk: clk-fixed-factor: Clear OF_POPULATED flag in case of failure | Date | Thu, 26 Jul 2018 08:27:12 -0700 |
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Quoting Rajan Vaja (2018-07-26 06:03:16) > Hi Stephen, > > > -----Original Message----- > > From: Stephen Boyd [mailto:sboyd@kernel.org] > > Sent: 25 July 2018 10:11 PM > > To: Rajan Vaja <RAJANV@xilinx.com>; mturquette@baylibre.com > > Cc: linux-clk@vger.kernel.org; linux-kernel@vger.kernel.org; Rajan Vaja > > <RAJANV@xilinx.com> > > Subject: Re: [PATCH] clk: clk-fixed-factor: Clear OF_POPULATED flag in case of > > failure > > > > Quoting Rajan Vaja (2018-07-17 06:17:00) > > > Fixed factor clock has two initializations at of_clk_init() time > > > and during platform driver probe. Before of_clk_init() call, > > > node is marked as populated and so its probe never gets called. > > > > > > During of_clk_init() fixed factor clock registration may fail if > > > any of its parent clock is not registered. In this case, it doesn't > > > get chance to retry registration from probe. Clear OF_POPULATED > > > flag if fixed factor clock registration fails so that clock > > > registration is attempted again from probe. > > > > > > Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> > > > --- > > > drivers/clk/clk-fixed-factor.c | 9 ++++++++- > > > 1 file changed, 8 insertions(+), 1 deletion(-) > > > > > > diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c > > > index d72ef2d..f3ae4ff 100644 > > > --- a/drivers/clk/clk-fixed-factor.c > > > +++ b/drivers/clk/clk-fixed-factor.c > > > @@ -177,8 +177,15 @@ static struct clk *_of_fixed_factor_clk_setup(struct > > device_node *node) > > > > > > clk = clk_register_fixed_factor(NULL, clk_name, parent_name, flags, > > > mult, div); > > > - if (IS_ERR(clk)) > > > + if (IS_ERR(clk)) { > > > + /* > > > + * If parent clock is not registered, registration would fail. > > > + * Clear OF_POPULATED flag so that clock registration can be > > > + * attempted again from probe function. > > > + */ > > > + of_node_clear_flag(node, OF_POPULATED); > > > return clk; > > > + } > > > > BTW, this patch was seriously mangled for me so I had to apply it by > > hand. Please be more careful next time and consider using something like > > git-send-email and git-format-patch to send patches. > [Rajan] I used git-send-email only and sent same way as I used to send other patches. Not sure where was issue. > Sorry for the inconvenience. >
It must be your Outlook server messing things up. I see Content-Transfer-Encoding: quoted-printable in the headers, which probably caused my MUA to choke and line break things in the wrong place.
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