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qla2xxx: Reset reserved field in firmware options to 0 

During NVRAM initialization in target mode, reset reserved
fields in firmware options to Zero (BIT 15)

Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
This commit is contained in:
Himanshu Madhani 2016-12-23 18:06:08 -08:00 committed by Bart Van Assche
parent 2a47c68529
commit c0f6462754
1 changed files with 14 additions and 1 deletions
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15
drivers/scsi/qla2xxx/qla_target.c
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@ -6542,6 +6542,13 @@ qlt_24xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_24xx *nv)
/* Disable Full Login after LIP */
nv->host_p &= cpu_to_le32(~BIT_10);
/*
* clear BIT 15 explicitly as we have seen at least
* a couple of instances where this was set and this
* was causing the firmware to not be initialized.
*/
nv->firmware_options_1 &= cpu_to_le32(~BIT_15);
/* Enable target PRLI control */
nv->firmware_options_2 |= cpu_to_le32(BIT_14);
} else {
@ -6626,11 +6633,17 @@ qlt_81xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_81xx *nv)
/* Disable ini mode, if requested */
if (!qla_ini_mode_enabled(vha))
nv->firmware_options_1 |= cpu_to_le32(BIT_5);
/* Disable Full Login after LIP */
nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
/* Enable initial LIP */
nv->firmware_options_1 &= cpu_to_le32(~BIT_9);
/*
* clear BIT 15 explicitly as we have seen at
* least a couple of instances where this was set
* and this was causing the firmware to not be
* initialized.
*/
nv->firmware_options_1 &= cpu_to_le32(~BIT_15);
if (ql2xtgt_tape_enable)
/* Enable FC tape support */
nv->firmware_options_2 |= cpu_to_le32(BIT_12);