Unverified Commit defe01ab authored by Rob Herring (Arm)'s avatar Rob Herring (Arm) Committed by Mark Brown
Browse files

spi: stm32-ospi: Use of_reserved_mem_region_to_resource() for "memory-region" 



Use the newly added of_reserved_mem_region_to_resource() function to
handle "memory-region" properties.

Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250709021638.2047365-1-robh@kernel.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 45d0376e

drivers/spi/spi-stm32-ospi.c

+7 −13
Original line number Diff line number Diff line
@@ -766,9 +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);
@@ -820,17 +818,13 @@ 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);

	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 (!ospi->mm_base) {

			dev_err(dev, "unable to map memory region: %pa+%pa\n",

				&rmem->base, &rmem->size);

			dev_err(dev, "unable to map memory region: %pR\n", res);

			ret = -ENOMEM;

			goto err_dma;

		}