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path: root/drivers/usb/dwc2/hcd_queue.c
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Diffstat (limited to 'drivers/usb/dwc2/hcd_queue.c')
-rw-r--r--drivers/usb/dwc2/hcd_queue.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index 5713f03a4e56..3ae8b1bbaa55 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -76,14 +76,13 @@ static int dwc2_periodic_channel_available(struct dwc2_hsotg *hsotg)
int num_channels;
num_channels = hsotg->params.host_channels;
- if (hsotg->periodic_channels + hsotg->non_periodic_channels <
- num_channels
- && hsotg->periodic_channels < num_channels - 1) {
+ if ((hsotg->periodic_channels + hsotg->non_periodic_channels <
+ num_channels) && (hsotg->periodic_channels < num_channels - 1)) {
status = 0;
} else {
dev_dbg(hsotg->dev,
- "%s: Total channels: %d, Periodic: %d, "
- "Non-periodic: %d\n", __func__, num_channels,
+ "%s: Total channels: %d, Periodic: %d, Non-periodic: %d\n",
+ __func__, num_channels,
hsotg->periodic_channels, hsotg->non_periodic_channels);
status = -ENOSPC;
}
@@ -485,7 +484,6 @@ static void pmap_print(unsigned long *map, int bits_per_period,
}
}
-
struct dwc2_qh_print_data {
struct dwc2_hsotg *hsotg;
struct dwc2_qh *qh;
@@ -558,7 +556,6 @@ static void dwc2_qh_schedule_print(struct dwc2_hsotg *hsotg,
DWC2_HS_SCHEDULE_UFRAMES, "uFrame", "us",
dwc2_qh_print, &print_data);
}
- return;
}
#else
static inline void dwc2_qh_schedule_print(struct dwc2_hsotg *hsotg,
@@ -587,7 +584,7 @@ static int dwc2_ls_pmap_schedule(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
unsigned long *map = dwc2_get_ls_map(hsotg, qh);
int slice;
- if (map == NULL)
+ if (!map)
return -EINVAL;
/*
@@ -626,7 +623,7 @@ static void dwc2_ls_pmap_unschedule(struct dwc2_hsotg *hsotg,
unsigned long *map = dwc2_get_ls_map(hsotg, qh);
/* Schedule should have failed, so no worries about no error code */
- if (map == NULL)
+ if (!map)
return;
pmap_unschedule(map, DWC2_LS_PERIODIC_SLICES_PER_FRAME,
@@ -1107,7 +1104,7 @@ static void dwc2_pick_first_frame(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
next_active_frame = earliest_frame;
/* Get the "no microframe schduler" out of the way... */
- if (hsotg->params.uframe_sched <= 0) {
+ if (!hsotg->params.uframe_sched) {
if (qh->do_split)
/* Splits are active at microframe 0 minus 1 */
next_active_frame |= 0x7;
@@ -1182,7 +1179,7 @@ exit:
qh->start_active_frame = next_active_frame;
dwc2_sch_vdbg(hsotg, "QH=%p First fn=%04x nxt=%04x\n",
- qh, frame_number, qh->next_active_frame);
+ qh, frame_number, qh->next_active_frame);
}
/**
@@ -1200,7 +1197,7 @@ static int dwc2_do_reserve(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
{
int status;
- if (hsotg->params.uframe_sched > 0) {
+ if (hsotg->params.uframe_sched) {
status = dwc2_uframe_schedule(hsotg, qh);
} else {
status = dwc2_periodic_channel_available(hsotg);
@@ -1221,7 +1218,7 @@ static int dwc2_do_reserve(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
return status;
}
- if (hsotg->params.uframe_sched <= 0)
+ if (!hsotg->params.uframe_sched)
/* Reserve periodic channel */
hsotg->periodic_channels++;
@@ -1257,7 +1254,7 @@ static void dwc2_do_unreserve(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
/* Update claimed usecs per (micro)frame */
hsotg->periodic_usecs -= qh->host_us;
- if (hsotg->params.uframe_sched > 0) {
+ if (hsotg->params.uframe_sched) {
dwc2_uframe_unschedule(hsotg, qh);
} else {
/* Release periodic channel reservation */
@@ -1394,7 +1391,7 @@ static int dwc2_schedule_periodic(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
qh->unreserve_pending = 0;
- if (hsotg->params.dma_desc_enable > 0)
+ if (hsotg->params.dma_desc_enable)
/* Don't rely on SOF and start in ready schedule */
list_add_tail(&qh->qh_list_entry, &hsotg->periodic_sched_ready);
else
@@ -1501,7 +1498,6 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
device_ns += dwc_tt->usb_tt->think_time;
qh->device_us = NS_TO_US(device_ns);
-
qh->device_interval = urb->interval;
qh->host_interval = urb->interval * (do_split ? 8 : 1);
@@ -1587,7 +1583,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
* Return: Pointer to the newly allocated QH, or NULL on error
*/
struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg,
- struct dwc2_hcd_urb *urb,
+ struct dwc2_hcd_urb *urb,
gfp_t mem_flags)
{
struct dwc2_qh *qh;
@@ -1602,7 +1598,7 @@ struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg,
dwc2_qh_init(hsotg, qh, urb, mem_flags);
- if (hsotg->params.dma_desc_enable > 0 &&
+ if (hsotg->params.dma_desc_enable &&
dwc2_hcd_qh_init_ddma(hsotg, qh, mem_flags) < 0) {
dwc2_hcd_qh_free(hsotg, qh);
return NULL;
@@ -1714,7 +1710,7 @@ void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
dwc2_deschedule_periodic(hsotg, qh);
hsotg->periodic_qh_count--;
if (!hsotg->periodic_qh_count &&
- hsotg->params.dma_desc_enable <= 0) {
+ !hsotg->params.dma_desc_enable) {
intr_mask = dwc2_readl(hsotg->regs + GINTMSK);
intr_mask &= ~GINTSTS_SOF;
dwc2_writel(intr_mask, hsotg->regs + GINTMSK);
@@ -1741,7 +1737,7 @@ void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
* Return: number missed by (or 0 if we didn't miss).
*/
static int dwc2_next_for_periodic_split(struct dwc2_hsotg *hsotg,
- struct dwc2_qh *qh, u16 frame_number)
+ struct dwc2_qh *qh, u16 frame_number)
{
u16 old_frame = qh->next_active_frame;
u16 prev_frame_number = dwc2_frame_num_dec(frame_number, 1);
@@ -1804,7 +1800,7 @@ static int dwc2_next_for_periodic_split(struct dwc2_hsotg *hsotg,
* Return: number missed by (or 0 if we didn't miss).
*/
static int dwc2_next_periodic_start(struct dwc2_hsotg *hsotg,
- struct dwc2_qh *qh, u16 frame_number)
+ struct dwc2_qh *qh, u16 frame_number)
{
int missed = 0;
u16 interval = qh->host_interval;
@@ -1926,7 +1922,7 @@ void dwc2_hcd_qh_deactivate(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
missed = dwc2_next_periodic_start(hsotg, qh, frame_number);
dwc2_sch_vdbg(hsotg,
- "QH=%p next(%d) fn=%04x, sch=%04x=>%04x (%+d) miss=%d %s\n",
+ "QH=%p next(%d) fn=%04x, sch=%04x=>%04x (%+d) miss=%d %s\n",
qh, sched_next_periodic_split, frame_number, old_frame,
qh->next_active_frame,
dwc2_frame_num_dec(qh->next_active_frame, old_frame),
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.