On Thursday 21 May 2009 00:12:46 wuzhangjin@xxxxxxxxx wrote: > From: Wu Zhangjin <wuzhangjin@xxxxxxxxx> > > This is originally from the to-mips branch from > http://dev.lemote.com/code/linux_loongson Sadly, the patch description lacks all the important information. What is the original problem that this fixup tries to address? Is it limited to amd74xx controllers? [ We are generalizing quirk_drives handling currently... ] > Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx> > --- > drivers/ide/amd74xx.c | 19 +++++++++++++++++++ > 1 files changed, 19 insertions(+), 0 deletions(-) > > diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c > index 77267c8..8f488b8 100644 > --- a/drivers/ide/amd74xx.c > +++ b/drivers/ide/amd74xx.c > @@ -23,6 +23,11 @@ > > #define DRV_NAME "amd74xx" > > +static const char *am74xx_quirk_drives[] = { > + "FUJITSU MHZ2160BH G2", > + NULL > +}; > + > enum { > AMD_IDE_CONFIG = 0x41, > AMD_CABLE_DETECT = 0x42, > @@ -112,6 +117,19 @@ static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio) > amd_set_drive(drive, XFER_PIO_0 + pio); > } > > +static void amd_quirkproc(ide_drive_t *drive) > +{ > + const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; > + > + for (list = am74xx_quirk_drives; *list != NULL; list++) > + if (strstr(m, *list) != NULL) { > + drive->quirk_list = 2; > + return; > + } > + > + drive->quirk_list = 0; > +} > + > static void amd7409_cable_detect(struct pci_dev *dev) > { > /* no host side cable detection */ > @@ -194,6 +212,7 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) > static const struct ide_port_ops amd_port_ops = { > .set_pio_mode = amd_set_pio_mode, > .set_dma_mode = amd_set_drive, > + .quirkproc = amd_quirkproc, > .cable_detect = amd_cable_detect, > };
