On Fri, Jun 15, 2012 at 08:42:47PM +0800, huacai chen wrote:
> On Fri, Jun 15, 2012 at 6:04 PM, Sergei Shtylyov <sshtylyov@xxxxxxxxxx> wrote:
> > Hello.
> >
> >
> > On 15-06-2012 12:09, Huacai Chen wrote:
> >
> >> Signed-off-by: Huacai Chen<chenhc@xxxxxxxxxx>
> >> Signed-off-by: Hongliang Tao<taohl@xxxxxxxxxx>
> >> Signed-off-by: Hua Yan<yanh@xxxxxxxxxx>
> >
> >
> > You should have CCed the 'linux-ide' mailing list.
> >
> >
> >> diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
> >> index ebaf67e..3e3cfd8 100644
> >> --- a/drivers/ata/ahci.c
> >> +++ b/drivers/ata/ahci.c
> >> @@ -183,7 +183,12 @@ static const struct ata_port_info ahci_port_info[] =
> >> {
> >> },
> >> [board_ahci_sb700] = /* for SB700 and SB800 */
> >> {
> >> +#ifndef CONFIG_CPU_LOONGSON3
> >> AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
> >> +#else
> >> + AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
> >> + AHCI_HFLAG_32BIT_ONLY),
> >> +#endif
> >
> >
> > No, this #ifdef'ery won't do. You should add a new board type.
> All Loongson-3 based machines use AMD SB700 chipsets, add a new board
> type is better than #ifdef?
SB700/800 chipsets don't need to set a 32-bit only DMA flag; why do you
need it when you use the same chipset?
--
Regards/Gruss,
Boris.
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