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scsi: qla2xxx: Add support for setting port speed

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This patch adds sysfs node

1. There is a new sysfs node port_speed
2. The possible values are 2(Auto neg), 8, 16, 32
3. A value outside of the above defaults to Auto neg
4. Any update to the setting causes a link toggle
5. This feature is currently only for ISP27xx

Signed-off-by: Anil Gurumurthy <agurumurthy@marvell.com>
Signed-off-by: Quinn Tran <qtran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Anil Gurumurthy 2019-02-15 14:37:17 -08:00 • committed by Martin K. Petersen
commit 4910b524ac
5 changed files with 166 additions and 1 deletions
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