From 71e553ad4e5714309ccb6f9311fc1af3b0feaa6c Mon Sep 17 00:00:00 2001 From: Stephen M. Cameron Date: Sat, 9 Jul 2011 09:04:12 +0200 Subject: [PATCH 595/696] cciss: do not attempt to read from a write-only register commit 07d0c38e7d84f911c72058a124c7f17b3c779a65 upstream. Most smartarrays will tolerate it, but some new ones don't. Signed-off-by: Stephen M. Cameron Note: this is a regression caused by commit 1ddd5049 Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/block/cciss.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index 16b4d58..c049548 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -223,7 +223,7 @@ static void SA5_submit_command( ctlr_info_t *h, CommandList_struct *c) h->ctlr, 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; -- 1.7.1