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sis5513: don't change UDMA settings when programming PIO
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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@ -1,5 +1,5 @@
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/*
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* linux/drivers/ide/pci/sis5513.c Version 0.26 Jul 7, 2007
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* linux/drivers/ide/pci/sis5513.c Version 0.27 Jul 14, 2007
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*
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* Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
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* Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer
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@ -537,6 +537,9 @@ static int sis5513_tune_chipset(ide_drive_t *drive, const u8 speed)
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u32 regdw;
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u8 drive_pci, reg;
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if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4)
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return sis5513_tune_drive(drive, speed - XFER_PIO_0);
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/* See config_art_rwp_pio for drive pci config registers */
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drive_pci = 0x40;
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if (chipset_family >= ATA_133) {
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@ -601,12 +604,6 @@ static int sis5513_tune_chipset(ide_drive_t *drive, const u8 speed)
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case XFER_SW_DMA_1:
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case XFER_SW_DMA_0:
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break;
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case XFER_PIO_4:
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case XFER_PIO_3:
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case XFER_PIO_2:
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case XFER_PIO_1:
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case XFER_PIO_0:
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return sis5513_tune_drive(drive, speed - XFER_PIO_0);
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default:
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BUG();
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break;
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