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SubjectRe: BUG: 2.4.18 & ALI15X3 DMA hang on boot
Andre Hedrick wrote:
> On Fri, 22 Mar 2002, Martin Dalecki wrote:
>>I didn't look at the issue but anyway the following is still
>>obviously wrong. hwif->index should be hwif->channel
>>Anyway please note the following:
>>diff -urN linux-2.5.7/drivers/ide/alim15x3.c linux/drivers/ide/alim15x3.c
>>--- linux-2.5.7/drivers/ide/alim15x3.c Thu Mar 21 23:54:16 2002
>>+++ linux/drivers/ide/alim15x3.c Fri Mar 22 02:08:58 2002
>>@@ -247,8 +247,8 @@
>> int s_time, a_time, c_time;
>> byte s_clc, a_clc, r_clc;
>> unsigned long flags;
>> int port = hwif->index ? 0x5c : 0x58;
>> int portFIFO = hwif->channel ? 0x55 : 0x54;
>>The usage of hwif->index *is* wrong.
> I stand corrected, it is a real bug and I let it slip in from the
> folks. I recant the point and error here is mine.
> However, one should note this would only be found if a person was booting
> an add-in card. This is why it has masked its self for so long. Now the
> much harder issue trace is the following. So I am impressed that you
> caught this very tiny bug that would be big and messy later. Tip of the
> hat to you.
> Noting that in the special case of who/what is allowed to have access to
> "ide0/ide1" this is an onboard host and generally would have the results:
> hwif->index == hwif->channel

Yes right of course. Becouse the values in index are consecutive 0,1,2
and so on... and fortunately the channels are discriminated by
the very same values 0,1.

> If and only if the host had rights and priviledges to "ide0/ide1", would
> it be masked.
> So as the previous offer still stands point to have peace again, I am
> still waiting for a reply on are going to be able to work through the
> inital bumps an bangs from the beginning.

Ehhhh beleve me or not. At least I was *never* at war with you.
There is a difference between supporting my own opinnions and
having some disagreements then making *war* at somebody :-).

(I'm a European!!!)

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