[PATCH v3 3/4] usb: gadget: udc: bcm63xx: Convert to use list_count()

Andy Shevchenko
2022-11-22T15:35:24Z

The list API now provides the list_count() to help with counting
existing nodes in the list. Utilise it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v3: no change
v2: no change
drivers/usb/gadget/udc/bcm63xx_udc.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c
index 2cdb07905bde..0762e49e85f8 100644
--- a/drivers/usb/gadget/udc/bcm63xx_udc.c
+++ b/drivers/usb/gadget/udc/bcm63xx_udc.c
@@ -2172,7 +2172,6 @@ static int bcm63xx_iudma_dbg_show(struct seq_file *s, void *p)

for (ch_idx = 0; ch_idx < BCM63XX_NUM_IUDMA; ch_idx++) {
struct iudma_ch *iudma = &udc->iudma[ch_idx];
- struct list_head *pos;

seq_printf(s, "IUDMA channel %d -- ", ch_idx);
switch (iudma_defaults[ch_idx].ep_type) {
@@ -2205,14 +2204,10 @@ static int bcm63xx_iudma_dbg_show(struct seq_file *s, void *p)
seq_printf(s, " desc: %d/%d used", iudma->n_bds_used,
iudma->n_bds);

- if (iudma->bep) {
- i = 0;
- list_for_each(pos, &iudma->bep->queue)
- i++;
- seq_printf(s, "; %d queued\n", i);
- } else {
+ if (iudma->bep)
+ seq_printf(s, "; %zu queued\n", list_count(&iudma->bep->queue));
+ else
seq_printf(s, "\n");
- }

for (i = 0; i < iudma->n_bds; i++) {
struct bcm_enet_desc *d = &iudma->bd_ring[i];
--
2.35.1