[PATCH 3/4] fec: add support for Freescale i.MX25 PDK (3DS)
Baruch Siach
baruch at tkos.co.il
Tue Dec 15 01:08:45 EST 2009
Hi Greg,
On Tue, Dec 15, 2009 at 11:27:59AM +1000, Greg Ungerer wrote:
> Hi Baruch,
>
> Baruch Siach wrote:
> >The i.MX25 PDK uses RMII to communicate with its PHY. This patch adds the
> >necessary bits to make the i.MX25 talk RMII.
> >
> >Signed-off-by: Baruch Siach <baruch at tkos.co.il>
> >---
[snip]
> >+ /* re-enable the gasket */
> >+ writel(2, fep->hwp + FEC_MIIGSK_ENR);
> ^^^^^^^^^^^^^^
>
> This will not compile for some CPU types that use this driver.
>
[snip]
> >--- a/drivers/net/fec.h
> >+++ b/drivers/net/fec.h
> >@@ -43,6 +43,8 @@
> > #define FEC_R_DES_START 0x180 /* Receive descriptor ring */
> > #define FEC_X_DES_START 0x184 /* Transmit descriptor ring */
> > #define FEC_R_BUFF_SIZE 0x188 /* Maximum receive buff size */
> >+#define FEC_MIIGSK_CFGR 0x300 /* MIIGSK Configuration reg */
> >+#define FEC_MIIGSK_ENR 0x308 /* MIIGSK Enable reg */
>
> These are defined in a conditional section for certain CPU types.
> There is no definitions for the other "#else" section here.
So, should I put a bogus #define in the other #else section, or put the
FEC_MIIGSK_* code in an #ifdef section? I guess the latter is the way to go.
baruch
--
~. .~ Tk Open Systems
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