Re: [PATCH v4] Resurrect IT8172 IDE controller driver

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Sergei,

On Wed, Dec 31, 2008 at 6:07 AM, Sergei Shtylyov
<sshtylyov@xxxxxxxxxxxxx> wrote:
> Shane McDonald wrote:
>> Signed-off-by: Shane McDonald <mcdonald.shane@xxxxxxxxx>
> Acked-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>

Please forgive my ignorance -- this is my first non-trivial patch...
I have made a new patch incorporating your suggestions as described below.
Do I include your Acked-by line in my re-spun patch, or do I need you
to Ack it again?
I will post the new patch when I receive guidance on this.

>> diff -uprN a/drivers/ide/it8172.c b/drivers/ide/it8172.c
>> --- a/drivers/ide/it8172.c      1969-12-31 18:00:00.000000000 -0600
>> +++ b/drivers/ide/it8172.c      2008-12-30 20:55:29.000000000 -0600
>> +                                       { 7, 4 },
>> +                                       { 3, 3 },
>> +                                       { 2, 2 },
>> +                                       { 1, 2 }, };
>> +       /*
>> +        * The highest value of DIOR/DIOW pulse width and recovery time
>> +        * that can be set in the IT8172 is 8 PCI clock cycles.  As a
>> result,
>> +        * it cannot be configured for PIO mode 0.  This table sets these
>> +        * parameters to the maximum supported by the IT8172.
>> +        */
>
>  This comment seems somewhat mispalced...

I will move the comment before the timings array, where it belongs.

>> +       drive_timing &= drive->dn ? 0x00003f00 : 0x000fc000;
>> +       drive_timing |= ((timings[pio][0] << 11) | (timings[pio][1] << 8))
>> +                       << (drive->dn * 6);
>
>  This can be somewhat shortened:
>
>        drive_timing |= ((timings[pio][0] << 3) | timings[pio][1]) <<
>                        (drive->dn * 6 + 8);
>
>
>  Could've be shortened even more if timings[] was single-dimensional...

Good point!  I have made the array one-dimensional and shortened the
statement accordingly.

> MBR, Sergei

Shane
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