mailbox: imx: fix crash in resume on i.mx8ulp
authorRobin Gong <yibin.gong@nxp.com>
Mon, 7 Feb 2022 01:52:07 +0000 (09:52 +0800)
committerJassi Brar <jaswinder.singh@linaro.org>
Sun, 13 Mar 2022 01:26:49 +0000 (19:26 -0600)
commit8219efd08a0aa1d7944bdb66d84ba57549258968
tree0b10bee221ecc651576745d379eaba815811ceb2
parent892cb524ae8a27bf5e42f711318371acd9a9f74a
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>
drivers/mailbox/imx-mailbox.c