Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f5903ede0015db5b53458092b6ae2af074fa49d4
Commit: f5903ede0015db5b53458092b6ae2af074fa49d4
Parent: ad7f71674ad7c3c4467e48f6ab9e85516dae2720
Author: Michael Ellerman <[EMAIL PROTECTED]>
AuthorDate: Tue Feb 5 23:01:50 2008 +1100
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Wed Feb 6 16:30:00 2008 +1100
[POWERPC] Fix legacy serial search for opb bus ports
The patch to legacy_serial.c (1a7507c7da2df6856e085e0fbb0c9ea8c12ac4e,
Reduce code duplication in legacy_serial, add UART parent types) changed
the semantics for opb ports from type = "opb" || compatible = "ibm,opb"
to type = "opb" && compatible = "ibm,opb".
The result is serial ports on our QS21s (Cell blades) don't get found,
and for some reason the machine doesn't boot at all - possibly it's
panicking due to lack of a console?
The fix is to add two entries to the of_device_id table, one that looks
for type = "opb" and the other compatible = "ibm,opb".
Signed-off-by: Michael Ellerman <[EMAIL PROTECTED]>
Acked-by: Paul Gortmaker <[EMAIL PROTECTED]>
Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
arch/powerpc/kernel/legacy_serial.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/legacy_serial.c
b/arch/powerpc/kernel/legacy_serial.c
index 76b862b..61dd174 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -36,7 +36,8 @@ static struct legacy_serial_info {
static struct __initdata of_device_id parents[] = {
{.type = "soc",},
{.type = "tsi-bridge",},
- {.type = "opb", .compatible = "ibm,opb",},
+ {.type = "opb", },
+ {.compatible = "ibm,opb",},
{.compatible = "simple-bus",},
{.compatible = "wrs,epld-localbus",},
};
-
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