diff options
Diffstat (limited to 'drivers/remoteproc/omap_remoteproc.c')
| -rw-r--r-- | drivers/remoteproc/omap_remoteproc.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c index 9ae2e831456d..cb01354248af 100644 --- a/drivers/remoteproc/omap_remoteproc.c +++ b/drivers/remoteproc/omap_remoteproc.c @@ -37,6 +37,10 @@ #include <linux/platform_data/dmtimer-omap.h> +#ifdef CONFIG_ARM_DMA_USE_IOMMU +#include <asm/dma-iommu.h> +#endif + #include "omap_remoteproc.h" #include "remoteproc_internal.h" @@ -551,7 +555,6 @@ static void omap_rproc_kick(struct rproc *rproc, int vqid) dev_err(dev, "failed to send mailbox message, status = %d\n", ret); - pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); } @@ -652,7 +655,6 @@ static int omap_rproc_start(struct rproc *rproc) pm_runtime_use_autosuspend(dev); pm_runtime_get_noresume(dev); pm_runtime_enable(dev); - pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); return 0; @@ -710,7 +712,6 @@ enable_device: reset_control_deassert(oproc->reset); out: /* schedule the next auto-suspend */ - pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); return ret; } @@ -720,6 +721,7 @@ out: * @rproc: remote processor to apply the address translation for * @da: device address to translate * @len: length of the memory buffer + * @is_iomem: pointer filled in to indicate if @da is iomapped memory * * Custom function implementing the rproc .da_to_va ops to provide address * translation (device address to kernel virtual address) for internal RAMs @@ -1133,7 +1135,6 @@ static int omap_rproc_get_boot_data(struct platform_device *pdev, struct device_node *np = pdev->dev.of_node; struct omap_rproc *oproc = rproc->priv; const struct omap_rproc_dev_data *data; - int ret; data = of_device_get_match_data(&pdev->dev); if (!data) @@ -1149,10 +1150,8 @@ static int omap_rproc_get_boot_data(struct platform_device *pdev, oproc->boot_data->syscon = syscon_regmap_lookup_by_phandle(np, "ti,bootreg"); - if (IS_ERR(oproc->boot_data->syscon)) { - ret = PTR_ERR(oproc->boot_data->syscon); - return ret; - } + if (IS_ERR(oproc->boot_data->syscon)) + return PTR_ERR(oproc->boot_data->syscon); if (of_property_read_u32_index(np, "ti,bootreg", 1, &oproc->boot_data->boot_reg)) { @@ -1209,7 +1208,7 @@ static int omap_rproc_of_get_internal_memories(struct platform_device *pdev, oproc->mem[i].dev_addr = data->mems[i].dev_addr; oproc->mem[i].size = resource_size(res); - dev_dbg(dev, "memory %8s: bus addr %pa size 0x%x va %pK da 0x%x\n", + dev_dbg(dev, "memory %8s: bus addr %pa size 0x%x va %p da 0x%x\n", data->mems[i].name, &oproc->mem[i].bus_addr, oproc->mem[i].size, oproc->mem[i].cpu_addr, oproc->mem[i].dev_addr); @@ -1323,6 +1322,19 @@ static int omap_rproc_probe(struct platform_device *pdev) /* All existing OMAP IPU and DSP processors have an MMU */ rproc->has_iommu = true; +#ifdef CONFIG_ARM_DMA_USE_IOMMU + /* + * Throw away the ARM DMA mapping that we'll never use, so it doesn't + * interfere with the core rproc->domain and we get the right DMA ops. + */ + if (pdev->dev.archdata.mapping) { + struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(&pdev->dev); + + arm_iommu_detach_device(&pdev->dev); + arm_iommu_release_mapping(mapping); + } +#endif + ret = omap_rproc_of_get_internal_memories(pdev, rproc); if (ret) return ret; |