[SCSI] qla2xxx: Basic infrastructure for dynamic logging.

This patch adds the dynamic logging framework to the qla2xxx driver.
The user will be able to change the logging levels on the fly i.e.
without load/unload of the driver. This also enables logging to be
enabled for a particular section of the driver such as initialization,
device discovery etc.

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 920b76bfbb93..3d0384506929 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2382,8 +2382,13 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
         /*
          * Set host adapter parameters.
          */
+
+        /*
+         * BIT_7 in the host-parameters section allows for modification to
+         * internal driver logging.
+         */
         if (nv->host_p[0] & BIT_7)
-                ql2xextended_error_logging = 1;
+                ql2xextended_error_logging = 0x7fffffff;
         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
         /* Always load RISC code on non ISP2[12]00 chips. */
         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))