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On Mon, 5 Oct 2026, netdev-bot+sashiko@kernel.org wrote:=0A= =0A= Replies inline, in the order of the summary list.=0A= =0A= > [Severity: Medium]=0A= > Will this report STANDBY even when no PLL drives the net?=0A= >=0A= > [...]=0A= >=0A= > Should the destination pin report NO_SIGNAL when intsync_src < 0?=0A= =0A= Fixed: a destination pin whose net no PLL drives reports NO_SIGNAL, as an= =0A= external input that lost its clock does, and is not active. The poll's=0A= change check goes through the same helper.=0A= =0A= The test is not intsync_src < 0 on its own. A source the driver enabled,=0A= or whose configuration its scan found already in place, says the net is=0A= driven; a source found only partly configured does not. Past that, a=0A= loaded profile can drive the net with a configuration of its own, so a=0A= PLL the device feeds from the net and holds locked also counts as the net= =0A= carrying a signal.=0A= =0A= > [Severity: Medium]=0A= > If the request fails but this re-scan moves intsync_src, what sends the= =0A= > pin change notification?=0A= >=0A= > [...]=0A= >=0A= > Without the same handling here, won't subscribers keep the stale SYNCOUT= =0A= > state?=0A= =0A= Fixed: the source setter takes whether this PLL owns the net before and=0A= after the request and sends a pin-change notification when a failed=0A= request moved it, which is what the output state setter already did.=0A= =0A= > [Severity: Medium]=0A= > If only this last step fails, should restore_global still set the global= =0A= > bit again?=0A= >=0A= > [...]=0A= >=0A= > The EXT page then holds no enable pattern, so detect reports no owner.=0A= > The global enable stays asserted, and the driver has no owner on record= =0A= > that would ever clear it.=0A= =0A= Fixed, both halves. A failure of the final per-PLL latch no longer=0A= restores the global enable, since the net is not configured at that=0A= point. The rollback of a failed enable uses a variant that does not=0A= restore it either, so an enable that failed cannot leave a global bit no=0A= PLL owns.=0A= =0A= > [Severity: Medium]=0A= > What happens to the cached owner if this rollback also fails?=0A= >=0A= > [...]=0A= >=0A= > Isn't this the case the setter's comment says it has to prevent ("a cache= =0A= > that wrongly says nobody drives the net would let a second PLL be=0A= > configured to drive it")?=0A= =0A= Fixed: when the scan after a failed enable fails too, the requesting PLL=0A= is recorded as a partial owner, so a retry re-runs the enable instead of=0A= being refused as busy while the configuration sits half in place.=0A= =0A= > [Severity: Medium]=0A= > Does this write need a page-0 small update after it?=0A= >=0A= > [...]=0A= >=0A= > Later, an unrelated priority-table change on any PLL ends in=0A= > sit9531x_prio_prg_commit(), which also writes SIT9531X_REG_GLOBAL_UPDATE.= =0A= > Could that latch the pending bit and turn inter-PLL sync back on over a= =0A= > half-written EXT page, without anyone requesting it?=0A= =0A= Fixed: the restore write is followed by the page-0 small update and its=0A= settle, as every other write to that register is.=0A= =0A= > [Severity: Low]=0A= > Once this runs, is there any way to tell a half-configured source from a= =0A= > fully connected one?=0A= >=0A= > [...]=0A= >=0A= > It returns success without running the enable sequence again. Does the=0A= > configuration ever get completed in that case?=0A= =0A= That is what this revision changed: the probe-time scan records a partly=0A= configured source as partial, the source pin reports it disconnected, and= =0A= a connect on it re-runs the enable rather than returning early.=0A= =0A= > [Severity: Low]=0A= > Should INTSYNC ownership also be detected again on resume?=0A= >=0A= > [...]=0A= >=0A= > - A's SYNCOUT pin still reports CONNECTED.=0A= > - A CONNECTED on A returns success without programming anything.=0A= > - A CONNECTED on another PLL fails with -EBUSY.=0A= > - A's INTSYNC destination pin is forced to DISCONNECTED.=0A= =0A= Fixed: resume re-detects the net's owner and reads every output's mute=0A= state back from the part before the poll and the interrupt are=0A= re-enabled, and marks an output whose read failed for a read-through.=0A=