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[SCSI] qla2xxx: Fix flash write failure on ISP82xx.

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Driver was not unprotecting correctly, use correct bits
to unprotect the flash on ISP 82xx.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Lalit Chandivade 2010-05-28 15:08:26 -07:00 committed by James Bottomley
parent cdbb0a4f31
commit 0547fb37ca
1 changed files with 4 additions and 3 deletions
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7
drivers/scsi/qla2xxx/qla_nx.c
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@ -19,6 +19,7 @@
#define QLA82XX_PCI_OCM0_2M (0xc0000)
#define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
#define BLOCK_PROTECT_BITS 0x0F
/* CRB window related */
#define CRB_BLK(off) ((off >> 20) & 0x3f)
@ -3147,10 +3148,10 @@ qla82xx_unprotect_flash(struct qla_hw_data *ha)
if (ret < 0)
goto done_unprotect;
val &= ~(0x7 << 2);
val &= ~(BLOCK_PROTECT_BITS << 2);
ret = qla82xx_write_status_reg(ha, val);
if (ret < 0) {
val |= (0x7 << 2);
val |= (BLOCK_PROTECT_BITS << 2);
qla82xx_write_status_reg(ha, val);
}
@ -3178,7 +3179,7 @@ qla82xx_protect_flash(struct qla_hw_data *ha)
if (ret < 0)
goto done_protect;
val |= (0x7 << 2);
val |= (BLOCK_PROTECT_BITS << 2);
/* LOCK all sectors */
ret = qla82xx_write_status_reg(ha, val);
if (ret < 0)