diff options
| -rw-r--r-- | drivers/remoteproc/ti_k3_dsp_rproc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/remoteproc/ti_k3_dsp_rproc.c b/drivers/remoteproc/ti_k3_dsp_rproc.c index 576de4bb26e..1c6515f9ab7 100644 --- a/drivers/remoteproc/ti_k3_dsp_rproc.c +++ b/drivers/remoteproc/ti_k3_dsp_rproc.c @@ -56,6 +56,7 @@ struct k3_dsp_boot_data { * @data: Pointer to DSP specific boot data structure * @mem: Array of available memories * @num_mem: Number of available memories + * @in_use: flag to tell if the core is already in use. */ struct k3_dsp_privdata { struct reset_ctl dsp_rst; @@ -63,6 +64,7 @@ struct k3_dsp_privdata { struct k3_dsp_boot_data *data; struct k3_dsp_mem *mem; int num_mems; + bool in_use; }; /* @@ -128,6 +130,13 @@ static int k3_dsp_load(struct udevice *dev, ulong addr, ulong size) u32 boot_vector; int ret; + if (dsp->in_use) { + dev_err(dev, + "Invalid op: Trying to load/start on already running core %d\n", + dsp->tsp.proc_id); + return -EINVAL; + } + dev_dbg(dev, "%s addr = 0x%lx, size = 0x%lx\n", __func__, addr, size); ret = ti_sci_proc_request(&dsp->tsp); if (ret) @@ -195,6 +204,7 @@ static int k3_dsp_start(struct udevice *dev) ti_sci_proc_power_domain_off(&dsp->tsp); } + dsp->in_use = true; proc_release: ti_sci_proc_release(&dsp->tsp); @@ -207,6 +217,7 @@ static int k3_dsp_stop(struct udevice *dev) dev_dbg(dev, "%s\n", __func__); + dsp->in_use = false; ti_sci_proc_request(&dsp->tsp); reset_assert(&dsp->dsp_rst); ti_sci_proc_power_domain_off(&dsp->tsp); |