On Sun, 2018-06-03 at 22:09 -0700, Himanshu Madhani wrote: > This patch prevents driver from setting lower default speed > of 1 GB/sec, if the switch does not support Get Port Speed > Capabilities (GPSC) command. Setting this default speed results > into much lower write performance for large sequential WRITE. > This patch modifies driver to check for gpsc_supported flags and > prevents driver from issuing MBC_SET_PORT_PARAM (001Ah) to set > default speed of 1 GB/sec. If driver does not send this mailbox > command, firmware assumes maximum supported link speed and will > operate at the max speed. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> Is this a regression? In other words, does this patch need a "Fixes:" tag? Thanks, Bart.