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path: root/drivers/spi/spi-stm32-ospi.c
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Diffstat (limited to 'drivers/spi/spi-stm32-ospi.c')
-rw-r--r--drivers/spi/spi-stm32-ospi.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
index 4ab7e86f4bd5..f36fd36da269 100644
--- a/drivers/spi/spi-stm32-ospi.c
+++ b/drivers/spi/spi-stm32-ospi.c
@@ -547,7 +547,6 @@ static int stm32_ospi_poll_status(struct spi_mem *mem,
ret = stm32_ospi_send(mem->spi, op);
mutex_unlock(&ospi->lock);
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return ret;
@@ -571,7 +570,6 @@ static int stm32_ospi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
ret = stm32_ospi_send(mem->spi, op);
mutex_unlock(&ospi->lock);
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return ret;
@@ -628,7 +626,6 @@ static ssize_t stm32_ospi_dirmap_read(struct spi_mem_dirmap_desc *desc,
ret = stm32_ospi_send(desc->mem->spi, &op);
mutex_unlock(&ospi->lock);
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return ret ?: len;
@@ -713,7 +710,6 @@ end_of_transfer:
msg->status = ret;
spi_finalize_current_message(ctrl);
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return ret;
@@ -750,7 +746,6 @@ static int stm32_ospi_setup(struct spi_device *spi)
mutex_unlock(&ospi->lock);
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return 0;
@@ -771,9 +766,7 @@ static int stm32_ospi_get_resources(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct stm32_ospi *ospi = platform_get_drvdata(pdev);
- struct resource *res;
- struct reserved_mem *rmem = NULL;
- struct device_node *node;
+ struct resource *res, _res;
int ret;
ospi->regs_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
@@ -825,18 +818,14 @@ static int stm32_ospi_get_resources(struct platform_device *pdev)
goto err_dma;
}
- node = of_parse_phandle(dev->of_node, "memory-region", 0);
- if (node)
- rmem = of_reserved_mem_lookup(node);
- of_node_put(node);
-
- if (rmem) {
- ospi->mm_size = rmem->size;
- ospi->mm_base = devm_ioremap(dev, rmem->base, rmem->size);
- if (!ospi->mm_base) {
- dev_err(dev, "unable to map memory region: %pa+%pa\n",
- &rmem->base, &rmem->size);
- ret = -ENOMEM;
+ res = &_res;
+ ret = of_reserved_mem_region_to_resource(dev->of_node, 0, res);
+ if (!ret) {
+ ospi->mm_size = resource_size(res);
+ ospi->mm_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(ospi->mm_base)) {
+ dev_err(dev, "unable to map memory region: %pR\n", res);
+ ret = PTR_ERR(ospi->mm_base);
goto err_dma;
}
@@ -953,7 +942,6 @@ static int stm32_ospi_probe(struct platform_device *pdev)
goto err_pm_resume;
}
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return 0;
@@ -1032,7 +1020,6 @@ static int __maybe_unused stm32_ospi_resume(struct device *dev)
writel_relaxed(ospi->cr_reg, regs_base + OSPI_CR);
writel_relaxed(ospi->dcr_reg, regs_base + OSPI_DCR1);
- pm_runtime_mark_last_busy(ospi->dev);
pm_runtime_put_autosuspend(ospi->dev);
return 0;