Commit eadb4343 authored by Roger Quadros's avatar Roger Quadros Committed by David S. Miller
Browse files

net: ethernet: ti: cpsw_ale: Add cpsw_ale_restore() helper 



This can be used by device driver to restore ALE context.
The data produced by cpsw_ale_dump() can be passed to
cpsw_ale_restore().

This is required as on certain platforms the ALE context
is lost on low power suspend/resume.

Signed-off-by: default avatarRoger Quadros <rogerq@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fd23df72

drivers/net/ethernet/ti/cpsw_ale.c

+10 −0
Original line number Diff line number Diff line
@@ -1452,6 +1452,16 @@ void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data) 
	}

}



void cpsw_ale_restore(struct cpsw_ale *ale, u32 *data)

{

	int i;



	for (i = 0; i < ale->params.ale_entries; i++) {

		cpsw_ale_write(ale, i, data);

		data += ALE_ENTRY_WORDS;

	}

}



u32 cpsw_ale_get_num_entries(struct cpsw_ale *ale)

{

	return ale ? ale->params.ale_entries : 0;

drivers/net/ethernet/ti/cpsw_ale.h

+1 −0
Original line number Diff line number Diff line
@@ -127,6 +127,7 @@ int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control); 
int cpsw_ale_control_set(struct cpsw_ale *ale, int port,

			 int control, int value);

void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data);

void cpsw_ale_restore(struct cpsw_ale *ale, u32 *data);

u32 cpsw_ale_get_num_entries(struct cpsw_ale *ale);



static inline int cpsw_ale_get_vlan_p0_untag(struct cpsw_ale *ale, u16 vid)