mailbox: imx: Clear the right interrupts at shutdown

Make sure to only clear enabled interrupts keeping count of the connection type. Suggested-by: Oleksij Rempel <[email protected]> Signed-off-by: Daniel Baluta <[email protected]> Signed-off-by: Richard Zhu <[email protected]> Reviewed-by: Dong Aisheng <[email protected]> Signed-off-by: Jassi Brar <[email protected]>
sevenever · Dec 1, 2019 · 5f0af07 · 5f0af07
1 parent bf159d1
commit 5f0af07
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
@@ -219,8 +219,19 @@ static void imx_mu_shutdown(struct mbox_chan *chan)
 		return;
 	}
 
-	imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx) |
-		       IMX_MU_xCR_RIEn(cp->idx) | IMX_MU_xCR_GIEn(cp->idx));
+	switch (cp->type) {
+	case IMX_MU_TYPE_TX:
+		imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx));
+		break;
+	case IMX_MU_TYPE_RX:
+		imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_RIEn(cp->idx));
+		break;
+	case IMX_MU_TYPE_RXDB:
+		imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_GIEn(cp->idx));
+		break;
+	default:
+		break;
+	}
 
 	free_irq(priv->irq, chan);
 }