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Address arbitration may occur at this time if other devices trigger HJ, IBI, or CR events. When IBIWON happen during a REQUEST_PROC_DAA, NACK the IBI request then send a repeated start to continue current dynamtica address assign. Signed-off-by: Frank Li --- change from v3 to v4 - rework commit message --- drivers/i3c/master/svc-i3c-master.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i= 3c-master.c index 122778b51c720..9f456639d1aad 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -808,6 +808,9 @@ static int svc_i3c_master_do_daa_locked(struct svc_i3c_= master *master, int ret, i; =20 while (true) { + /* clean SVC_I3C_MINT_IBIWON w1c bits */ + writel(SVC_I3C_MINT_IBIWON, master->regs + SVC_I3C_MSTATUS); + /* SVC_I3C_MCTRL_REQUEST_PROC_DAA have two mode, ENTER DAA or PROCESS DA= A. * * ENTER DAA: @@ -859,6 +862,9 @@ static int svc_i3c_master_do_daa_locked(struct svc_i3c_= master *master, ret =3D svc_i3c_master_readb(master, data, 2); if (ret) break; + } else if (SVC_I3C_MSTATUS_IBIWON(reg)) { + svc_i3c_master_handle_ibi_won(master, reg); + continue; } else if (SVC_I3C_MSTATUS_MCTRLDONE(reg)) { if (SVC_I3C_MSTATUS_STATE_IDLE(reg) && SVC_I3C_MSTATUS_COMPLETE(reg)) { --=20 2.34.1