Re: [PATCH] 2.5.13 IDE PIO mode Fix

Martin Dalecki
2002-05-05T01:10:45Z

Uz.ytkownik Osamu Tomita napisa?:
> I found this bug in 2.5.10 first. And caused ext2 FS corruption.
> We are porting Linux to PC-9801 architecture (made by NEC Japan).
> It has PIO ONLY IDE I/F. So please check PIO mode too.

Hey I can't do everything. And I know that people like you will
check it anyway :-)... But seriously - Thank you very much for
the plague and indeed 16 bit transfers are something I see makes sense for
embedded platforms.

> # Our porting status - 2.2.x/2.4.x done and updating. 2.5.x partial.
>
> diff -urN linux-2.5.10/drivers/ide/ide-taskfile.c linux/drivers/ide/ide-taskfile.c
> --- linux-2.5.10/drivers/ide/ide-taskfile.c Wed Apr 24 16:15:19 2002
> +++ linux/drivers/ide/ide-taskfile.c Fri Apr 26 15:44:42 2002
> @@ -202,7 +202,7 @@
> ata_write_slow(drive, buffer, wcount);
> else
> #endif
> - ata_write_16(drive, buffer, wcount<<1);
> + ata_write_16(drive, buffer, wcount);
> }
> }