diff options
| -rw-r--r-- | drivers/firmware/imx/seco_mu.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/firmware/imx/seco_mu.c b/drivers/firmware/imx/seco_mu.c index 75744e4..7394b1b 100644 --- a/drivers/firmware/imx/seco_mu.c +++ b/drivers/firmware/imx/seco_mu.c @@ -168,6 +168,9 @@ struct seco_mu_priv { struct imx_sc_ipc *ipc_scu; u8 seco_part_owner; + + int max_ctx; + struct seco_mu_device_ctx **ctxs; }; /* macro to log operation of a misc device */ @@ -1121,6 +1124,9 @@ static int seco_mu_probe(struct platform_device *pdev) goto exit; } + priv->max_ctx = max_nb_users; + priv->ctxs = devm_kzalloc(dev, sizeof(dev_ctx) * max_nb_users, GFP_KERNEL); + /* Create users */ for (i = 0; i < max_nb_users; i++) { dev_ctx = devm_kzalloc(dev, sizeof(*dev_ctx), GFP_KERNEL); @@ -1134,6 +1140,9 @@ static int seco_mu_probe(struct platform_device *pdev) dev_ctx->dev = dev; dev_ctx->status = MU_FREE; dev_ctx->mu_priv = priv; + + priv->ctxs[i] = dev_ctx; + /* Default value invalid for an header. */ init_waitqueue_head(&dev_ctx->wq); @@ -1187,6 +1196,20 @@ exit: return ret; } +#ifdef CONFIG_PM_SLEEP +static int secu_mu_resume(struct device *dev) +{ + struct seco_mu_priv *priv = dev_get_drvdata(dev); + int i=0; + + for (i = 0; i < priv->max_ctx; i++) { + priv->ctxs[i]->v2x_reset = true; + wake_up_interruptible(&priv->ctxs[i]->wq); + } + return 0; +} +#endif + static const struct of_device_id seco_mu_match[] = { { .compatible = "fsl,imx-seco-mu", @@ -1195,10 +1218,15 @@ static const struct of_device_id seco_mu_match[] = { }; MODULE_DEVICE_TABLE(of, seco_mu_match); +static const struct dev_pm_ops secu_mu_pm = { + SET_SYSTEM_SLEEP_PM_OPS(NULL, secu_mu_resume) +}; + static struct platform_driver seco_mu_driver = { .driver = { .name = "seco_mu", .of_match_table = seco_mu_match, + .pm = &secu_mu_pm, }, .probe = seco_mu_probe, }; |