diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/chipidea/ci_hs/dcd_ci_hs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/portable/chipidea/ci_hs/dcd_ci_hs.c b/src/portable/chipidea/ci_hs/dcd_ci_hs.c index 55906e678..fa98d6882 100644 --- a/src/portable/chipidea/ci_hs/dcd_ci_hs.c +++ b/src/portable/chipidea/ci_hs/dcd_ci_hs.c @@ -393,7 +393,8 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) { ci_hs_regs_t *dcd_reg = CI_HS_REG(rhport); dcd_reg->ENDPTCTRL[epnum] |= ENDPTCTRL_STALL << (dir ? 16 : 0); - // flush to abort any primed buffer + // flush to abort any primed buffer; the aborted transfer's dQH overlay can be left + // ACTIVE with mid-transfer state - qhd_start_xfer clears it before the next prime dcd_reg->ENDPTFLUSH = TU_BIT(epnum + (dir ? 16 : 0)); } @@ -497,6 +498,7 @@ static void qhd_start_xfer(uint8_t rhport, uint8_t epnum, uint8_t dir) { dcd_qtd_t *p_qtd = &_dcd_data.qtd[epnum][dir]; p_qhd->qtd_overlay.halted = false; // clear any previous error + p_qhd->qtd_overlay.active = false; // a flushed prime leaves stale ACTIVE state; clear it so the fresh qtd loads p_qhd->qtd_overlay.next = (uint32_t)p_qtd; // link qtd to qhd // flush cache |