drivers/mailbox/arm_mhuv3.c

281  * @ch_idx: Channel window index associated to this mailbox channel.
282  * @doorbell: Doorbell bit number within the @ch_idx window.
289 	u32 ch_idx;
375 	writel_relaxed_bitmask(0x1, &mhu->pbx->dbcw[priv->ch_idx].int_en, tfr_ack);
385 	writel_relaxed_bitmask(0x0, &mhu->pbx->dbcw[priv->ch_idx].int_en, tfr_ack);
388 	writel_relaxed_bitmask(0x1, &mhu->pbx->dbcw[priv->ch_idx].int_clr, tfr_ack);
390 	e->pending_db[priv->ch_idx] = 0;
399 	writel_relaxed(BIT(priv->doorbell), &mhu->mbx->dbcw[priv->ch_idx].msk_clr);
410 	writel_relaxed(BIT(priv->doorbell), &mhu->mbx->dbcw[priv->ch_idx].msk_set);
418 	writel_relaxed(BIT(priv->doorbell), &mhu->mbx->dbcw[priv->ch_idx].clr);
427 	done = !(readl_relaxed(&mhu->pbx->dbcw[priv->ch_idx].st) &
435 		e->pending_db[priv->ch_idx] &= ~BIT(priv->doorbell);
450 		if (e->pending_db[priv->ch_idx] & BIT(priv->doorbell))
453 		e->pending_db[priv->ch_idx] |= BIT(priv->doorbell);
456 	writel_relaxed(BIT(priv->doorbell), &mhu->pbx->dbcw[priv->ch_idx].set);
613 			priv->ch_idx = i;
898 				 priv->ch_idx);
938 				 priv->ch_idx);