mailbox: imx: Clear GIEn bit at shutdown

GIEn is enabled at startup for RX doorbell mailboxes so
we need to clear the bit at shutdown in order to avoid
leaving the interrupt line enabled.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 25be8bb5e371d305d1db3c35634c643eb46e3289..9f74dee1a58c71aa2749f1e1d81f6110d751c366 100644 (file)
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -217,8 +217,8 @@ static void imx_mu_shutdown(struct mbox_chan *chan)
        if (cp->type == IMX_MU_TYPE_TXDB)
                tasklet_kill(&cp->txdb_tasklet);
 
-       imx_mu_xcr_rmw(priv, 0,
-                  IMX_MU_xCR_TIEn(cp->idx) | IMX_MU_xCR_RIEn(cp->idx));
+       imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx) |
+                      IMX_MU_xCR_RIEn(cp->idx) | IMX_MU_xCR_GIEn(cp->idx));
 
        free_irq(priv->irq, chan);
 }