diff options
| author |   Robin Gong <yibin.gong@nxp.com> | 2022-02-07 09:52:07 +0800 |
|---|---|---|
| committer |   Jassi Brar <jaswinder.singh@linaro.org> | 2022-03-12 19:26:49 -0600 |
| commit | 8219efd08a0aa1d7944bdb66d84ba57549258968 (patch) | |
| tree | 0b10bee221ecc651576745d379eaba815811ceb2 /drivers/mailbox | |
| parent | mailbox: imx: fix wakeup failure from freeze mode (diff) | |
| download | wireguard-linux-8219efd08a0aa1d7944bdb66d84ba57549258968.tar.xz wireguard-linux-8219efd08a0aa1d7944bdb66d84ba57549258968.zip | |
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.c | 2 |
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]); } |