Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH 4/4] net: ethernet: ti: cpsw_ale: optimize cpsw_ale_restore() | Date | Wed, 16 Nov 2022 18:49:15 +0200 |
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If an entry was FREE then we don't have to restore it. This will make the restore faster in most cases.
Signed-off-by: Roger Quadros <rogerq@kernel.org> --- drivers/net/ethernet/ti/cpsw_ale.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 0c5e783e574c..41bcf34a22f8 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -1452,12 +1452,15 @@ void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data) } } +/* ALE table should be cleared (ALE_CLEAR) before cpsw_ale_restore() */ void cpsw_ale_restore(struct cpsw_ale *ale, u32 *data) { - int i; + int i, type; for (i = 0; i < ale->params.ale_entries; i++) { - cpsw_ale_write(ale, i, data); + type = cpsw_ale_get_entry_type(data); + if (type != ALE_TYPE_FREE) + cpsw_ale_write(ale, i, data); data += ALE_ENTRY_WORDS; } } -- 2.17.1
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