Without the valid bits at least one set of TSScorp drives report 0 in
word 93 for PATA 40 wire, which we (and the specs) say actually means
SATA. (The SATA version seems to report 80 wire...)
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.24-rc2-mm1/include/linux/ata.h linux-2.6.24-rc2-mm1/include/linux/ata.h
--- linux.vanilla-2.6.24-rc2-mm1/include/linux/ata.h 2007-11-16 17:55:20.000000000 +0000
+++ linux-2.6.24-rc2-mm1/include/linux/ata.h 2007-11-16 18:42:20.000000000 +0000
@@ -560,8 +560,6 @@
static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
{
- if (ata_id_is_sata(dev_id))
- return 0; /* SATA */
if ((dev_id[93] & 0x2000) == 0x2000)
return 0; /* 80 wire */
return 1;
-
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