mlxsw: __mlxsw_sp_port_headroom_set(): Fix a use of local variable
The function-local variable "delay" enters the loop interpreted as delay
in bits. However, inside the loop it gets overwritten by the result of
mlxsw_sp_pg_buf_delay_get(), and thus leaves the loop as quantity in
cells. Thus on second and further loop iterations, the headroom for a
given priority is configured with a wrong size.
Fix by introducing a loop-local variable, delay_cells. Rename thres to
thres_cells for consistency.
Fixes: f417f04da589 ("mlxsw: spectrum: Refactor port buffer configuration")
Signed-off-by: Petr Machata <petrm at mellanox.com>
Acked-by: Jiri Pirko <jiri at mellanox.com>
Signed-off-by: Ido Schimmel <idosch at mellanox.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
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