From: Wolfram Sang <w.s...@pengutronix.de>
Some cards need the speedups on, some need them off. As we can't detect
this reliably, at least give the users a hint how to tweak the system.
Reported-by: David Bluecame <david.bluec...@gmail.com>
Signed-off-by: Wolfram Sang <w.s...@pengutronix.de>
Signed-off-by: Dominik Brodowski <li...@dominikbrodowski.net>
---
drivers/pcmcia/o2micro.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pcmcia/o2micro.h b/drivers/pcmcia/o2micro.h
index e74beba..5096e92 100644
--- a/drivers/pcmcia/o2micro.h
+++ b/drivers/pcmcia/o2micro.h
@@ -153,14 +153,14 @@ static int o2micro_override(struct yenta_socket *socket)
if (use_speedup) {
dev_info(&socket->dev->dev,
- "O2: enabling read prefetch/write burst\n");
+ "O2: enabling read prefetch/write burst. If you
experience problems or performance issues, use the yenta_socket parameter
'o2_speedup=off'\n");
config_writeb(socket, O2_RESERVED1,
a | O2_RES_READ_PREFETCH |
O2_RES_WRITE_BURST);
config_writeb(socket, O2_RESERVED2,
b | O2_RES_READ_PREFETCH |
O2_RES_WRITE_BURST);
} else {
dev_info(&socket->dev->dev,
- "O2: disabling read prefetch/write burst\n");
+ "O2: disabling read prefetch/write burst. If
you experience problems or performance issues, use the yenta_socket parameter
'o2_speedup=on'\n");
config_writeb(socket, O2_RESERVED1,
a & ~(O2_RES_READ_PREFETCH |
O2_RES_WRITE_BURST));
config_writeb(socket, O2_RESERVED2,
--
1.7.0.4
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