[SCSI] qla2xxx: Re-enable flash-part write protection on ISP24xx boards.

Driver would not correctly re-enable the write-protection
bits of the flash part after updates.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index d54d2a99c3d3..f4d755a643e4 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -573,6 +573,9 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
                 }
         } while (0);
 
+        /* Enable flash write-protection. */
+        qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0x9c);
+
         /* Disable flash write. */
         WRT_REG_DWORD(&reg->ctrl_status,
             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);