@@ -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++)
@@ -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;
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> --- drivers/usb/host/xhci-mtk-sch.c | 20 +++++++------------- drivers/usb/host/xhci-mtk.h | 2 ++ 2 files changed, 9 insertions(+), 13 deletions(-)