Commit f73edddf authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Use constants for path weight and priority 



Makes it easier to follow and update. No functional changes.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 274baf69

drivers/thunderbolt/tunnel.c

+27 −12
Original line number Diff line number Diff line
@@ -21,12 +21,18 @@ 
#define TB_PCI_PATH_DOWN		0

#define TB_PCI_PATH_UP			1



#define TB_PCI_PRIORITY			3

#define TB_PCI_WEIGHT			1



/* USB3 adapters use always HopID of 8 for both directions */

#define TB_USB3_HOPID			8



#define TB_USB3_PATH_DOWN		0

#define TB_USB3_PATH_UP			1



#define TB_USB3_PRIORITY		3

#define TB_USB3_WEIGHT			3



/* DP adapters use HopID 8 for AUX and 9 for Video */

#define TB_DP_AUX_TX_HOPID		8

#define TB_DP_AUX_RX_HOPID		8
@@ -36,6 +42,12 @@ 
#define TB_DP_AUX_PATH_OUT		1

#define TB_DP_AUX_PATH_IN		2



#define TB_DP_VIDEO_PRIORITY		1

#define TB_DP_VIDEO_WEIGHT		1



#define TB_DP_AUX_PRIORITY		2

#define TB_DP_AUX_WEIGHT		1



/* Minimum number of credits needed for PCIe path */

#define TB_MIN_PCIE_CREDITS		6U

/*
@@ -46,6 +58,9 @@ 
/* Minimum number of credits for DMA path */

#define TB_MIN_DMA_CREDITS		1



#define TB_DMA_PRIORITY			5

#define TB_DMA_WEIGHT			1



static unsigned int dma_credits = TB_DMA_CREDITS;

module_param(dma_credits, uint, 0444);

MODULE_PARM_DESC(dma_credits, "specify custom credits for DMA tunnels (default: "
@@ -213,8 +228,8 @@ static int tb_pci_init_path(struct tb_path *path) 
	path->egress_shared_buffer = TB_PATH_NONE;

	path->ingress_fc_enable = TB_PATH_ALL;

	path->ingress_shared_buffer = TB_PATH_NONE;

	path->priority = 3;

	path->weight = 1;

	path->priority = TB_PCI_PRIORITY;

	path->weight = TB_PCI_WEIGHT;

	path->drop_packages = 0;



	tb_path_for_each_hop(path, hop) {
@@ -1152,8 +1167,8 @@ static void tb_dp_init_aux_path(struct tb_path *path) 
	path->egress_shared_buffer = TB_PATH_NONE;

	path->ingress_fc_enable = TB_PATH_ALL;

	path->ingress_shared_buffer = TB_PATH_NONE;

	path->priority = 2;

	path->weight = 1;

	path->priority = TB_DP_AUX_PRIORITY;

	path->weight = TB_DP_AUX_WEIGHT;



	tb_path_for_each_hop(path, hop)

		tb_dp_init_aux_credits(hop);
@@ -1196,8 +1211,8 @@ static int tb_dp_init_video_path(struct tb_path *path) 
	path->egress_shared_buffer = TB_PATH_NONE;

	path->ingress_fc_enable = TB_PATH_NONE;

	path->ingress_shared_buffer = TB_PATH_NONE;

	path->priority = 1;

	path->weight = 1;

	path->priority = TB_DP_VIDEO_PRIORITY;

	path->weight = TB_DP_VIDEO_WEIGHT;



	tb_path_for_each_hop(path, hop) {

		int ret;
@@ -1471,8 +1486,8 @@ static int tb_dma_init_rx_path(struct tb_path *path, unsigned int credits) 
	path->ingress_fc_enable = TB_PATH_ALL;

	path->egress_shared_buffer = TB_PATH_NONE;

	path->ingress_shared_buffer = TB_PATH_NONE;

	path->priority = 5;

	path->weight = 1;

	path->priority = TB_DMA_PRIORITY;

	path->weight = TB_DMA_WEIGHT;

	path->clear_fc = true;



	/*
@@ -1505,8 +1520,8 @@ static int tb_dma_init_tx_path(struct tb_path *path, unsigned int credits) 
	path->ingress_fc_enable = TB_PATH_ALL;

	path->egress_shared_buffer = TB_PATH_NONE;

	path->ingress_shared_buffer = TB_PATH_NONE;

	path->priority = 5;

	path->weight = 1;

	path->priority = TB_DMA_PRIORITY;

	path->weight = TB_DMA_WEIGHT;

	path->clear_fc = true;



	tb_path_for_each_hop(path, hop) {
@@ -1838,8 +1853,8 @@ static void tb_usb3_init_path(struct tb_path *path) 
	path->egress_shared_buffer = TB_PATH_NONE;

	path->ingress_fc_enable = TB_PATH_ALL;

	path->ingress_shared_buffer = TB_PATH_NONE;

	path->priority = 3;

	path->weight = 3;

	path->priority = TB_USB3_PRIORITY;

	path->weight = TB_USB3_WEIGHT;

	path->drop_packages = 0;



	tb_path_for_each_hop(path, hop)