[PATCH 2/2] firewire: core: use inline helper functions to serialize phy config packet

From: Takashi Sakamoto
Date: Thu Jun 06 2024 - 19:52:09 EST


This commit uses the added helper functions to obsolete the existing
implementation for phy configuration packet.

Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
---
drivers/firewire/core-transaction.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 6868ff17dc10..5b80ca9d6230 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -30,19 +30,12 @@

#include "core.h"
#include "packet-header-definitions.h"
+#include "phy-packet-definitions.h"
#include <trace/events/firewire.h>

#define HEADER_DESTINATION_IS_BROADCAST(header) \
((async_header_get_destination(header) & 0x3f) == 0x3f)

-#define PHY_PACKET_CONFIG 0x0
-#define PHY_PACKET_LINK_ON 0x1
-#define PHY_PACKET_SELF_ID 0x2
-
-#define PHY_CONFIG_GAP_COUNT(gap_count) (((gap_count) << 16) | (1 << 22))
-#define PHY_CONFIG_ROOT_ID(node_id) ((((node_id) & 0x3f) << 24) | (1 << 23))
-#define PHY_IDENTIFIER(id) ((id) << 30)
-
/* returns 0 if the split timeout handler is already running */
static int try_cancel_split_timeout(struct fw_transaction *t)
{
@@ -480,10 +473,14 @@ void fw_send_phy_config(struct fw_card *card,
int node_id, int generation, int gap_count)
{
long timeout = DIV_ROUND_UP(HZ, 10);
- u32 data = PHY_IDENTIFIER(PHY_PACKET_CONFIG);
+ u32 data = 0;

- if (node_id != FW_PHY_CONFIG_NO_NODE_ID)
- data |= PHY_CONFIG_ROOT_ID(node_id);
+ phy_packet_set_packet_identifier(&data, PHY_PACKET_PACKET_IDENTIFIER_PHY_CONFIG);
+
+ if (node_id != FW_PHY_CONFIG_NO_NODE_ID) {
+ phy_packet_phy_config_set_root_id(&data, node_id);
+ phy_packet_phy_config_set_force_root_node(&data, true);
+ }

if (gap_count == FW_PHY_CONFIG_CURRENT_GAP_COUNT) {
gap_count = card->driver->read_phy_reg(card, 1);
@@ -494,7 +491,8 @@ void fw_send_phy_config(struct fw_card *card,
if (gap_count == 63)
return;
}
- data |= PHY_CONFIG_GAP_COUNT(gap_count);
+ phy_packet_phy_config_set_gap_count(&data, gap_count);
+ phy_packet_phy_config_set_gap_count_optimization(&data, true);

mutex_lock(&phy_config_mutex);

--
2.43.0