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dcd/musb: harden & refactor the EP0 control state machine (review follow-up for #3643) #3699

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Merged
HiFiPhile merged 17 commits into from
Jun 16, 2026
+226 −172
Merged

dcd/musb: harden & refactor the EP0 control state machine (review follow-up for #3643) #3699

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06b8f4f
dcd/musb: extract pipe0_read_setup() helper
hathach Jun 12, 2026
87eeab6
dcd/musb: restore EP0 OUT RXRDY flow-control comment
hathach Jun 12, 2026
b21d59f
dcd/musb: replace deferral goto with per-state handling
hathach Jun 12, 2026
1ea385a
dcd/musb: check SentStall/SetupEnd before DATAEND guard
hathach Jun 12, 2026
91608e3
dcd/musb: fix deferred-SETUP replay racing usbd's status call
hathach Jun 12, 2026
3b73ee7
dcd/musb: gate stale EP0 RXRDY interrupts with rxrdy_consumed
hathach Jun 12, 2026
e47eabd
dcd/musb: replay deferred SETUP instead of stalling EP0
hathach Jun 12, 2026
c8c63c3
dcd/musb: clear rxrdy_consumed when stalling EP0
hathach Jun 13, 2026
ff57edb
hil: make serial write timeout fatal
hathach Jun 13, 2026
3bdf52f
dcd/musb: name pipe0_state_t, use local pointer, group struct fields
hathach Jun 15, 2026
abc3114
dcd/musb: end EP0 IN data stage on short packet, split DATA case
hathach Jun 15, 2026
9562f54
dcd/musb: suffix ISR-context process_* handlers with _isr
hathach Jun 15, 2026
d4eeaf1
dcd/musb: extract pipe0_process_status_isr() to de-dup EP0 tail paths
hathach Jun 15, 2026
3d94681
dcd/musb: read EP0 SETUP into uint32_t[2], drop the double copy
hathach Jun 15, 2026
f1080e1
dcd/musb: harden EP0 DATA_OUT against short packet and host overrun
hathach Jun 15, 2026
148fabb
dcd/musb: rename pipe0_process_status_isr -> pipe0_process_xfer_state…
hathach Jun 15, 2026
ba3b245
dcd/musb: extract pipe0_data_stage_done() and fix two EP0 comments
hathach Jun 16, 2026
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