Commit 10201396 authored by Dylan Hung's avatar Dylan Hung Committed by Alexandre Belloni
Browse files

i3c: dw: Disable IBI IRQ depends on hot-join and SIR enabling 



Disable IBI IRQ signal and status only when hot-join and SIR enabling of
all target devices attached to the bus are disabled.

Fixes: e389b1d7 ("i3c: dw: Add support for in-band interrupts")

Signed-off-by: default avatarDylan Hung <dylan_hung@aspeedtech.com>
Link: https://lore.kernel.org/r/20240119054547.983693-1-dylan_hung@aspeedtech.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent cb0a3955

drivers/i3c/master/dw-i3c-master.c

+3 −1
Original line number Diff line number Diff line
@@ -1163,8 +1163,10 @@ static void dw_i3c_master_set_sir_enabled(struct dw_i3c_master *master, 
		global = reg == 0xffffffff;

		reg &= ~BIT(idx);

	} else {

		global = reg == 0;

		bool hj_rejected = !!(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_HOT_JOIN_NACK);



		reg |= BIT(idx);

		global = (reg == 0xffffffff) && hj_rejected;

	}

	writel(reg, master->regs + IBI_SIR_REQ_REJECT);