From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Thu, 20 Sep 2007 21:07:38 +0000 (-0700)
Subject: [SCSI] qla2xxx: Correct staging of RISC while attempting to pause.
X-Git-Tag: v2.6.24-rc1~1290^2~93
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c3b058afaea11273835f59694f8645a89915be9c;p=platform%2Fkernel%2Flinux-3.10.git

[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 <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---

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;