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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-11-30 03:55:18 -0500
committerDavid S. Miller <davem@davemloft.net>2009-12-01 18:44:18 -0500
commitee31527a02b0a8e1aa4a5e4084d2db5fa34737ed (patch)
tree0ac1568a991e0cf3f52c0ec65cd5a96da2bc1276 /drivers/ide/slc90e66.c
parent28c1969ff887bc2a7df39272850dece01de03285 (diff)
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>
Diffstat (limited to 'drivers/ide/slc90e66.c')
-rw-r--r--drivers/ide/slc90e66.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/ide/slc90e66.c b/drivers/ide/slc90e66.c
index 9aec78d3bcff..1ccfb40e7215 100644
--- a/drivers/ide/slc90e66.c
+++ b/drivers/ide/slc90e66.c
@@ -91,8 +91,7 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
91 91
92 if (!(reg48 & u_flag)) 92 if (!(reg48 & u_flag))
93 pci_write_config_word(dev, 0x48, reg48|u_flag); 93 pci_write_config_word(dev, 0x48, reg48|u_flag);
94 /* FIXME: (reg4a & a_speed) ? */ 94 if ((reg4a & a_speed) != u_speed) {
95 if ((reg4a & u_speed) != u_speed) {
96 pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); 95 pci_write_config_word(dev, 0x4a, reg4a & ~a_speed);
97 pci_read_config_word(dev, 0x4a, &reg4a); 96 pci_read_config_word(dev, 0x4a, &reg4a);
98 pci_write_config_word(dev, 0x4a, reg4a|u_speed); 97 pci_write_config_word(dev, 0x4a, reg4a|u_speed);