aboutsummaryrefslogtreecommitdiff
path: root/drivers/mailbox
diff options
context:
space:
mode:
authorRobin Gong2022-02-07 09:52:07 +0800
committerJassi Brar2022-03-12 19:26:49 -0600
commit8219efd08a0aa1d7944bdb66d84ba57549258968 (patch)
tree0b10bee221ecc651576745d379eaba815811ceb2 /drivers/mailbox
parent892cb524ae8a27bf5e42f711318371acd9a9f74a (diff)
mailbox: imx: fix crash in resume on i.mx8ulp
check 'priv->clk' before 'imx_mu_read()' otherwise crash happens on i.mx8ulp, since clock not enabled. Fixes: 4f0b776ef5831 ("mailbox: imx-mailbox: support i.MX8ULP MU") Reviewed-by: Jacky Bai <ping.bai@nxp.com> Signed-off-by: Robin Gong <yibin.gong@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'drivers/mailbox')
-rw-r--r--drivers/mailbox/imx-mailbox.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 8b1399e5d7bf..a0c252415c86 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -725,7 +725,7 @@ static int __maybe_unused imx_mu_resume_noirq(struct device *dev)
* send failed, may lead to system freeze. This issue
* is observed by testing freeze mode suspend.
*/
- if (!imx_mu_read(priv, priv->dcfg->xCR[0]) && !priv->clk) {
+ if (!priv->clk && !imx_mu_read(priv, priv->dcfg->xCR[0])) {
for (i = 0; i < IMX_MU_xCR_MAX; i++)
imx_mu_write(priv, priv->xcr[i], priv->dcfg->xCR[i]);
}