On Thu, 2014-05-01 at 21:28 +0200, Marek Vasut wrote:
> On Thursday, May 01, 2014 at 08:40:44 PM, Ian Campbell wrote:
> > This patch adds the basic clocks and timer support for the Allwinner A20
> > (sun7i) processor. This code will not been compiled until the build is
> > hooked up in a later patch. It has been split out to keep the patches
> > manageable.
> >
> > Some of the code here is common to multiple sunxi subarchtectures, hence
> > files are named sun4i which is the earliest similar variant.
> >
> > Signed-off-by: Alexandru Gagniuc <[email protected]>
> > Signed-off-by: Chen-Yu Tsai <[email protected]>
> > Signed-off-by: Emilio López <[email protected]>
> > Signed-off-by: Hans de Goede <[email protected]>
> > Signed-off-by: Henrik Nordstrom <[email protected]>
> > Signed-off-by: Jens Kuske <[email protected]>
> > Signed-off-by: Luke Leighton <[email protected]>
> > Signed-off-by: Oliver Schinagl <[email protected]>
> > Signed-off-by: Ian Campbell <[email protected]>
> > Cc: Stefan Roese <[email protected]>
> > Cc: Tom Cubie <[email protected]>
> > ---
> > v4: "Based on d9fe0a1e061e "sunxi: mksunxiboot: remove unnecessary casts."
>
> I have no idea what this changelog entry tells me, I will have to review this
> entire patch anew.
This was mainly for my benefit, so I could track which u-boot-sunxi.git
version each commit was most recently sync'd with.
This particular patch needed no changes for the rebasing. I'm going to
go through the rest now and reply with a proper v3..v4 changelog. If I
don't reply to a particular patch it means nothing much changed.
> [...]
>
> > +void clock_set_pll1(int hz)
> > +{
> > + int i = 0;
> > + int axi, ahb, apb0;
> > + struct sunxi_ccm_reg * const ccm =
> > + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
> > +
> > + /* Find target frequency */
> > + while (pll1_para[i].freq < hz)
> > + i++;
>
> You can just do a for (...) cycle here, instead of the unbounded while cycle.
it's not unbounded, the array has a sentinal value.
> Also, I think hz will always be positive, thus int hz -> unsigned int hz .
Ack.
Ian.
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