blob: 88a3c4a93e099e5c55146927b22744e5972c334f [file] [log] [blame]
From a180488d39becaea034a03c8bb6f2b957f31131f Mon Sep 17 00:00:00 2001
From: Daniel Baluta <daniel.baluta@nxp.com>
Date: Wed, 9 Oct 2019 16:07:19 +0800
Subject: [PATCH] mailbox: imx: Clear the right interrupts at shutdown
commit 5f0af07e89199ac51cdd4f25bc303bdc703f4e9c upstream.
Make sure to only clear enabled interrupts keeping count
of the connection type.
Suggested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 957c10c4e674..afe625e88a5c 100644
--- 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);
}
--
2.7.4