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thunderbolt: Use constants for path weight and priority

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[ Upstream commit f73edddfa2 ]

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

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Qin Wan <qin.wan@hp.com>
Signed-off-by: Alexandru Gagniuc <alexandru.gagniuc@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mika Westerberg 2024-10-01 17:31:00 +00:00 committed by Greg Kroah-Hartman
parent ae2d54f5e5
commit c014f37411
1 changed files with 27 additions and 12 deletions
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39
drivers/thunderbolt/tunnel.c
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@ -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) {
@ -1845,8 +1860,8 @@ 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)