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usb: xhci-mtk: add a member of num_esit 

Add a member num_esit to save the number of esit, then no need
caculate it in some functions.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629189389-18779-8-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2021-08-17 16:36:28 +08:00 committed by Greg Kroah-Hartman
parent 614c8c67a0
commit 82799c80b4
2 changed files with 9 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/usb/host/xhci-mtk-sch.c
View File

@ -297,6 +297,7 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
CTX_TO_MAX_ESIT_PAYLOAD(le32_to_cpu(ep_ctx->tx_info));
sch_ep->esit = get_esit(ep_ctx);
sch_ep->num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
sch_ep->ep_type = ep_type;
sch_ep->maxpkt = maxpkt;
sch_ep->offset = 0;
@ -401,14 +402,12 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
static u32 get_max_bw(struct mu3h_sch_bw_info *sch_bw,
struct mu3h_sch_ep_info *sch_ep, u32 offset)
{
u32 num_esit;
u32 max_bw = 0;
u32 bw;
int i;
int j;
num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
for (i = 0; i < num_esit; i++) {
for (i = 0; i < sch_ep->num_esit; i++) {
u32 base = offset + i * sch_ep->esit;
for (j = 0; j < sch_ep->num_budget_microframes; j++) {
@ -424,13 +423,11 @@ static u32 get_max_bw(struct mu3h_sch_bw_info *sch_bw,
static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw,
struct mu3h_sch_ep_info *sch_ep, bool used)
{
u32 num_esit;
u32 base;
int i;
int j;
num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
for (i = 0; i < num_esit; i++) {
for (i = 0; i < sch_ep->num_esit; i++) {
base = sch_ep->offset + i * sch_ep->esit;
for (j = 0; j < sch_ep->num_budget_microframes; j++) {
if (used)
@ -446,12 +443,11 @@ static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw,
static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
u32 num_esit, tmp;
u32 tmp;
int base;
int i, j;
num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
for (i = 0; i < num_esit; i++) {
for (i = 0; i < sch_ep->num_esit; i++) {
base = offset + i * sch_ep->esit;
/*
@ -533,12 +529,10 @@ static int check_sch_tt(struct mu3h_sch_ep_info *sch_ep, u32 offset)
static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
u32 base, num_esit;
u32 base;
int i, j;
num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
for (i = 0; i < num_esit; i++) {
for (i = 0; i < sch_ep->num_esit; i++) {
base = sch_ep->offset + i * sch_ep->esit;
for (j = 0; j < sch_ep->num_budget_microframes; j++)

2
drivers/usb/host/xhci-mtk.h
View File

@ -50,6 +50,7 @@ struct mu3h_sch_bw_info {
* struct mu3h_sch_ep_info: schedule information for endpoint
*
* @esit: unit is 125us, equal to 2 << Interval field in ep-context
* @num_esit: number of @esit in a period
* @num_budget_microframes: number of continuous uframes
* (@repeat==1) scheduled within the interval
* @bw_cost_per_microframe: bandwidth cost per microframe
@ -79,6 +80,7 @@ struct mu3h_sch_bw_info {
*/
struct mu3h_sch_ep_info {
u32 esit;
u32 num_esit;
u32 num_budget_microframes;
u32 bw_cost_per_microframe;
struct list_head endpoint;