Message ID | 20220207015211.394297-2-peng.fan@oss.nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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mailbox: imx: misc fix and SECO MU support
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diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index 544de2db6453..8b1399e5d7bf 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/of_device.h> #include <linux/pm_runtime.h> +#include <linux/suspend.h> #include <linux/slab.h> #define IMX_MU_CHANS 16 @@ -76,6 +77,7 @@ struct imx_mu_priv { const struct imx_mu_dcfg *dcfg; struct clk *clk; int irq; + bool suspend; u32 xcr[4]; @@ -334,6 +336,9 @@ static irqreturn_t imx_mu_isr(int irq, void *p) return IRQ_NONE; } + if (priv->suspend) + pm_system_wakeup(); + return IRQ_HANDLED; } @@ -702,6 +707,8 @@ static int __maybe_unused imx_mu_suspend_noirq(struct device *dev) priv->xcr[i] = imx_mu_read(priv, priv->dcfg->xCR[i]); } + priv->suspend = true; + return 0; } @@ -723,6 +730,8 @@ static int __maybe_unused imx_mu_resume_noirq(struct device *dev) imx_mu_write(priv, priv->xcr[i], priv->dcfg->xCR[i]); } + priv->suspend = false; + return 0; }