Re: [PATCH 4/6] ARM: bcm476x: Add stub clock driver

[Domenico Andreoli <cavokz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On Fri, Oct 12, 2012 at 07:52:21AM -0700, Mike Turquette wrote:
> Quoting Domenico Andreoli (2012-10-06 18:53:04)
> > Index: b/drivers/clk/clk-bcm476x.c
> > ===================================================================
> > --- /dev/null
> > +++ b/drivers/clk/clk-bcm476x.c
> > @@ -0,0 +1,52 @@
> > +/*
> > + * Broadcom BCM476x SoCs clocks
> > + *
> > + * Copyright (C) 2011-2012 Domenico Andreoli <domenico.andreoli-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License as published by
> > + * the Free Software Foundation; either version 2 of the License, or
> > + * (at your option) any later version.
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + */
> > +
> > +#include <linux/clk.h>
> > +#include <linux/clk-private.h>
> 
> Why clk-private.h?  That is deprecated and should not be used unless
> absolutely necessary.  It will be removed once Tegra and OMAP stop using
> it.
> 
> > +#include <linux/clk-provider.h>
> > +#include <linux/clkdev.h>
> > +#include <linux/clk/bcm476x.h>
> > +
> > +/*
> > + * These are fixed clocks (and device tree doesn't support clk!).
> > + *
> > + * They're probably not all root clocks and it may be possible to
> > + * turn them on and off but until this is mapped out better it's
> > + * the only way they can be used.
> > + */
> > +DEFINE_CLK_FIXED_RATE(sys_pclk,   CLK_IS_ROOT, 312000000, 0);
> > +DEFINE_CLK_FIXED_RATE(apb_pclk,   CLK_IS_ROOT, 156000000, 0);
> > +DEFINE_CLK_FIXED_RATE(uart0_pclk, CLK_IS_ROOT, 78000000, 0);
> > +DEFINE_CLK_FIXED_RATE(uart1_pclk, CLK_IS_ROOT, 78000000, 0);
> > +DEFINE_CLK_FIXED_RATE(uart2_pclk, CLK_IS_ROOT, 78000000, 0);
> > +
> 
> Can you use clk_register_fixed_rate instead?

Stephen already warned me, it'll be fixed in the next post. Thanks.

Regards,
Domenico