diff options
| author | Thierry Reding <treding@nvidia.com> | 2022-09-22 16:41:24 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2022-10-24 16:18:11 +0300 |
| commit | 4c1e0a97351a5e88e7e503b40cdbe0f220039a5e (patch) | |
| tree | be5165a467aec518ffacc940069c4564d39c9df1 /drivers/thermal/tegra/tegra-bpmp-thermal.c | |
| parent | 236d3907aa7c03168dbc4d0e8faa77d10bbb969f (diff) | |
| download | linux-4c1e0a97351a5e88e7e503b40cdbe0f220039a5e.tar.xz | |
firmware: tegra: bpmp: Use iosys-map helpers
The shared memory used for inter-processor communication between the CPU
and the BPMP can reside either in system memory or in I/O memory. Use
the iosys-map helpers to abstract these differences away.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/thermal/tegra/tegra-bpmp-thermal.c')
| -rw-r--r-- | drivers/thermal/tegra/tegra-bpmp-thermal.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/thermal/tegra/tegra-bpmp-thermal.c b/drivers/thermal/tegra/tegra-bpmp-thermal.c index eb84f0b9dc7c..0b7a1a1948cb 100644 --- a/drivers/thermal/tegra/tegra-bpmp-thermal.c +++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c @@ -106,21 +106,22 @@ static void tz_device_update_work_fn(struct work_struct *work) static void bpmp_mrq_thermal(unsigned int mrq, struct tegra_bpmp_channel *ch, void *data) { - struct mrq_thermal_bpmp_to_host_request *req; + struct mrq_thermal_bpmp_to_host_request req; struct tegra_bpmp_thermal *tegra = data; + size_t offset; int i; - req = (struct mrq_thermal_bpmp_to_host_request *)ch->ib->data; + offset = offsetof(struct tegra_bpmp_mb_data, data); + iosys_map_memcpy_from(&req, &ch->ib, offset, sizeof(req)); - if (req->type != CMD_THERMAL_HOST_TRIP_REACHED) { - dev_err(tegra->dev, "%s: invalid request type: %d\n", - __func__, req->type); + if (req.type != CMD_THERMAL_HOST_TRIP_REACHED) { + dev_err(tegra->dev, "%s: invalid request type: %d\n", __func__, req.type); tegra_bpmp_mrq_return(ch, -EINVAL, NULL, 0); return; } for (i = 0; i < tegra->num_zones; ++i) { - if (tegra->zones[i]->idx != req->host_trip_reached.zone) + if (tegra->zones[i]->idx != req.host_trip_reached.zone) continue; schedule_work(&tegra->zones[i]->tz_device_update_work); @@ -129,7 +130,7 @@ static void bpmp_mrq_thermal(unsigned int mrq, struct tegra_bpmp_channel *ch, } dev_err(tegra->dev, "%s: invalid thermal zone: %d\n", __func__, - req->host_trip_reached.zone); + req.host_trip_reached.zone); tegra_bpmp_mrq_return(ch, -EINVAL, NULL, 0); } |