[SCSI] qla2xxx: Correct staging of RISC while attempting to pause.

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Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c3b058afaea11273835f59694f8645a89915be9c
Commit:     c3b058afaea11273835f59694f8645a89915be9c
Parent:     05236a050f8e3a20962bad98ad8ceb94bbdb748c
Author:     Andrew Vasquez <[EMAIL PROTECTED]>
AuthorDate: Thu Sep 20 14:07:38 2007 -0700
Committer:  James Bottomley <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:49:54 2007 -0400

    [SCSI] qla2xxx: Correct staging of RISC while attempting to pause.
    
    There's no need to reset the RISC prior to pausing.
    
    Signed-off-by: Andrew Vasquez <[EMAIL PROTECTED]>
    Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
 drivers/scsi/qla2xxx/qla_dbg.c |   23 ++++++++++-------------
 1 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index b52fa89..2defe0c 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -172,19 +172,16 @@ qla24xx_pause_risc(struct device_reg_24xx __iomem *reg)
        int rval = QLA_SUCCESS;
        uint32_t cnt;
 
-       if ((RD_REG_DWORD(&reg->hccr) & HCCRX_RISC_PAUSE) == 0) {
-               WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET |
-                   HCCRX_CLR_HOST_INT);
-               RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
-               WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
-               for (cnt = 30000;
-                   (RD_REG_DWORD(&reg->hccr) & HCCRX_RISC_PAUSE) == 0 &&
-                   rval == QLA_SUCCESS; cnt--) {
-                       if (cnt)
-                               udelay(100);
-                       else
-                               rval = QLA_FUNCTION_TIMEOUT;
-               }
+       if (RD_REG_DWORD(&reg->hccr) & HCCRX_RISC_PAUSE)
+               return rval;
+
+       WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
+       for (cnt = 30000; (RD_REG_DWORD(&reg->hccr) & HCCRX_RISC_PAUSE) == 0 &&
+           rval == QLA_SUCCESS; cnt--) {
+               if (cnt)
+                       udelay(100);
+               else
+                       rval = QLA_FUNCTION_TIMEOUT;
        }
 
        return rval;
-
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