mirror of https://gitee.com/openkylin/linux.git
slc90e66: fix UDMA handling
Fix checking of the currently programmed UDMA mode. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -91,8 +91,7 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
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if (!(reg48 & u_flag))
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pci_write_config_word(dev, 0x48, reg48|u_flag);
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/* FIXME: (reg4a & a_speed) ? */
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if ((reg4a & u_speed) != u_speed) {
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if ((reg4a & a_speed) != u_speed) {
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pci_write_config_word(dev, 0x4a, reg4a & ~a_speed);
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pci_read_config_word(dev, 0x4a, ®4a);
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pci_write_config_word(dev, 0x4a, reg4a|u_speed);
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