Re: [PATCH] shdma: add R-Car Audio DMAC peri peri driver

From: Geert Uytterhoeven
Date: Fri Jan 24 2014 - 03:33:57 EST


Hi Morimoto-san,

On Fri, Jan 24, 2014 at 9:18 AM, Kuninori Morimoto
<kuninori.morimoto.gx@xxxxxxxxx> wrote:
>> > + if (slave_id >= AUDMAPP_SLAVE_NUMBER)
>>
>> So slave_id should be unsigned int, too, and AUDMAPP_SLAVE_NUMBER
>> too ("29U").
>
> Hmm...
> This driver is called from shdma-base.c.
> And shdmac.c/sudmac.c/rcar-hpbdmac.c are same style.
>
> 1) this "slave_id" came from shdma_ops::set_slave
> and, it is using "int"
> 2) above drivers have same xxx_find_slave(),
> they are using "int".
> (this driver is based on that)
>
> What should I do ?

OK, then you should keep using int, and change the test to:

if (slave_id < 0 || slave_id >= AUDMAPP_SLAVE_NUMBER)

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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