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SubjectRe: [git patches] libata updates
Date
On Tuesday 06 October 2009 06:24:05 Jeff Garzik wrote:
> On 09/28/2009 11:34 AM, Bartlomiej Zolnierkiewicz wrote:
> > Thanks, your patch looks good to me but since there are still some
> > leftover issues left we would also need something like the incremental
> > patch below:
> >
> > From: Bartlomiej Zolnierkiewicz<bzolnier@gmail.com>
> > Subject: [PATCH] pata_atp867x: PIO support fixes
> >
> > * use 8 clk setting for active clocks == 7 (was 12 clk)
> > * use 12 clk setting for active clocks> 12 (was 8 clk)
> > * do 66MHz bus fixup before mapping active clocks
> > * fix setup of PIO command timings
> >
> > Signed-off-by: Bartlomiej Zolnierkiewicz<bzolnier@gmail.com>
> > ---
> > drivers/ata/pata_atp867x.c | 36 +++++++++++++++++++-----------------
> > 1 file changed, 19 insertions(+), 17 deletions(-)
> >
> > Index: b/drivers/ata/pata_atp867x.c
> > ===================================================================
> > --- a/drivers/ata/pata_atp867x.c
> > +++ b/drivers/ata/pata_atp867x.c
> > @@ -155,30 +155,31 @@ static int atp867x_get_active_clocks_shi
> > struct atp867x_priv *dp = ap->private_data;
> > unsigned char clocks = clk;
> >
> > + /*
> > + * Doc 6.6.9: increase the clock value by 1 for safer PIO speed
> > + * on 66MHz bus
> > + */
> > + if (dp->pci66mhz)
> > + clocks++;
> > +
> > switch (clocks) {
> > case 0:
> > clocks = 1;
> > break;
> > - case 1 ... 7:
> > - break;
> > - case 9 ... 12:
> > - clocks = 7;
> > + case 1 ... 6:
> > break;
> > default:
> > printk(KERN_WARNING "ATP867X: active %dclk is invalid. "
> > - "Using default 8clk.\n", clk);
> > + "Using 12clk.\n", clk);
> > + case 9 ... 12:
> > + clocks = 7; /* 12 clk */
> > + break;
> > + case 7:
> > case 8: /* default 8 clk */
> > clocks = 0;
> > goto active_clock_shift_done;
> > }
> >
> > - /*
> > - * Doc 6.6.9: increase the clock value by 1 for safer PIO speed
> > - * on 66MHz bus
> > - */
> > - if (dp->pci66mhz&& clocks< 7)
> > - clocks++;
> > -
> > active_clock_shift_done:
> > return clocks<< ATP867X_IO_PIOSPD_ACTIVE_SHIFT;
> > }
> > @@ -193,7 +194,8 @@ static int atp867x_get_recover_clocks_sh
> > break;
> > case 1 ... 11:
> > break;
> > - case 13: case 14:
> > + case 13:
> > + case 14:
> > --clocks; /* by the spec */
> > break;
> > case 15:
> > @@ -235,16 +237,16 @@ static void atp867x_set_piomode(struct a
> > iowrite8(b, dp->dma_mode);
> >
> > b = atp867x_get_active_clocks_shifted(ap, t.active) |
> > - atp867x_get_recover_clocks_shifted(t.recover);
> > + atp867x_get_recover_clocks_shifted(t.recover);
> >
> > if (adev->devno& 1)
> > iowrite8(b, dp->slave_piospd);
> > else
> > iowrite8(b, dp->mstr_piospd);
> >
> > - /*
> > - * use the same value for comand timing as for PIO timimg
> > - */
> > + b = atp867x_get_active_clocks_shifted(ap, t.act8b) |
> > + atp867x_get_recover_clocks_shifted(t.rec8b);
> > +
> > iowrite8(b, dp->eightb_piospd);
> > }
> >
> >
>
> This was incremental to the previous patch, or upstream?

To the previous patch. For your convenience I'll re-post all overdue
pata_atp867x patches to the date on linux-ide ML..


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