Re: [PATCH 31/64] cmd64x: fix PIO and MWDMA timings calculations

From: David Miller
Date: Tue Jan 19 2010 - 04:26:15 EST

From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Date: Mon, 18 Jan 2010 18:18:26 +0100

> From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> Subject: [PATCH] cmd64x: fix PIO and MWDMA timings calculations
> Just use the standard ide_timing_compute() helper to calculate
> PIO and MWDMA timings. This fixes some issues with the open-coded
> version like allowing faster MWDMA timings than the ones required
> by the current PIO mode or not accounting for the enhanced MWDMA
> cycle time specified by the device.
> Based on libata pata_cmd64x host driver.
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

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