diff options
| -rw-r--r-- | drivers/remoteproc/qcom_wcnss.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index e5d9de94c1db..81fe891ef526 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -30,6 +30,7 @@ #include <linux/remoteproc.h> #include <linux/soc/qcom/smem.h> #include <linux/soc/qcom/smem_state.h> +#include <linux/rpmsg/qcom_smd.h> #include "qcom_mdt_loader.h" #include "remoteproc_internal.h" @@ -94,6 +95,10 @@ struct qcom_wcnss { phys_addr_t mem_reloc; void *mem_region; size_t mem_size; + + struct device_node *smd_node; + struct qcom_smd_edge *smd_edge; + struct rproc_subdev smd_subdev; }; static const struct wcnss_data riva_data = { @@ -396,6 +401,23 @@ static irqreturn_t wcnss_stop_ack_interrupt(int irq, void *dev) return IRQ_HANDLED; } +static int wcnss_smd_probe(struct rproc_subdev *subdev) +{ + struct qcom_wcnss *wcnss = container_of(subdev, struct qcom_wcnss, smd_subdev); + + wcnss->smd_edge = qcom_smd_register_edge(wcnss->dev, wcnss->smd_node); + + return IS_ERR(wcnss->smd_edge) ? PTR_ERR(wcnss->smd_edge) : 0; +} + +static void wcnss_smd_remove(struct rproc_subdev *subdev) +{ + struct qcom_wcnss *wcnss = container_of(subdev, struct qcom_wcnss, smd_subdev); + + qcom_smd_unregister_edge(wcnss->smd_edge); + wcnss->smd_edge = NULL; +} + static int wcnss_init_regulators(struct qcom_wcnss *wcnss, const struct wcnss_vreg_info *info, int num_vregs) @@ -578,6 +600,10 @@ static int wcnss_probe(struct platform_device *pdev) } } + wcnss->smd_node = of_get_child_by_name(pdev->dev.of_node, "smd-edge"); + if (wcnss->smd_node) + rproc_add_subdev(rproc, &wcnss->smd_subdev, wcnss_smd_probe, wcnss_smd_remove); + ret = rproc_add(rproc); if (ret) goto free_rproc; @@ -596,6 +622,7 @@ static int wcnss_remove(struct platform_device *pdev) of_platform_depopulate(&pdev->dev); + of_node_put(wcnss->smd_node); qcom_smem_state_put(wcnss->state); rproc_del(wcnss->rproc); rproc_free(wcnss->rproc); |