Re: [PATCH v2 06/11] ARM:stixxxx: Add STiH415 SOC support

From: Russell King - ARM Linux
Date: Mon Jun 10 2013 - 19:20:47 EST


On Mon, Jun 10, 2013 at 12:46:59PM +0100, Srinivas KANDAGATLA wrote:
> > + aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) |
> > + (0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
> > + (0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) |
> > + (way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
> >
> >
> >
> > #include <linux/bitops.h>
> > Linus Walleij would write use BIT() here
>
> I will use BIT() macro.

Without checking those fields... BIT() is only appropriate if you're
really talking about single bits. If you have a field of more than a
single bit which you happen to be setting to '1' then it's not
appropriate to use BIT().
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