cs5520: add enablebits checking

Based on sparse comments in OpenFirmware code
(no Cx5510/Cx5520 datasheet here).

This fixes 2.6.26 regression reported by TAKADA
and caused by addition of warm-plug support.

Tested-by: TAKADA Yoshihito <takada@mbf.nifty.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index c0364b2..151844f 100644 (file)
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -96,6 +96,7 @@ static const struct ide_port_ops cs5520_port_ops = {
 
 static const struct ide_port_info cyrix_chipset __devinitdata = {
        .name           = DRV_NAME,
+       .enablebits     = { { 0x60, 0x01, 0x01 }, { 0x60, 0x02, 0x02 } },
        .port_ops       = &cs5520_port_ops,
        .host_flags     = IDE_HFLAG_ISA_PORTS | IDE_HFLAG_CS5520,
        .pio_mask       = ATA_PIO4,