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Subject[32/50] cciss: do not attempt to read from a write-only register
2.6.33-longterm review patch.  If anyone has any objections, please let us know.

------------------
From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>

commit 07d0c38e7d84f911c72058a124c7f17b3c779a65 upstream.

Most smartarrays will tolerate it, but some new ones don't.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>

Note: this is a regression caused by commit 1ddd5049
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/block/cciss.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -181,7 +181,7 @@ static void SA5_submit_command( ctlr_inf
printk("Sending %x - down to controller\n", c->busaddr );
#endif /* CCISS_DEBUG */
writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
- readl(h->vaddr + SA5_REQUEST_PORT_OFFSET);
+ readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
h->commands_outstanding++;
if ( h->commands_outstanding > h->max_outstanding)
h->max_outstanding = h->commands_outstanding;



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