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[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>
This commit is contained in:
Andrew Vasquez 2007-09-20 14:07:38 -07:00 committed by James Bottomley
parent 05236a050f
commit c3b058afae
1 changed files with 10 additions and 13 deletions
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23
drivers/scsi/qla2xxx/qla_dbg.c
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@ -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;