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(parent: 88b4704) | patch
hpt34x: fix CONFIG_HPT34X_AUTODMA=n handling
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Mon, 20 Aug 2007 20:42:57 +0000 (22:42 +0200)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Mon, 20 Aug 2007 20:42:57 +0000 (22:42 +0200)
commit76e1faa7cfd464fa06a9c2cafd633d643daafeae
tree1061d01662114d064e60cc29611ab330c900f89etree | snapshot
parent88b47040f8365ad56ecfd4103e964ba9b695987ecommit | diff
hpt34x: fix CONFIG_HPT34X_AUTODMA=n handling

Programming DMA mode may destroy current PIO mode setting so if
CONFIG_HPT34X_AUTODMA=n (the default case) make ide_tune_dma() fail
early by disabling all host DMA masks and re-tune PIO mode.

This fix doesn't help with the driver being broken but is needed
for some other changes.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/pci/hpt34x.c diff | blob | history
John Crispins staging tree