public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

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

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250709021638.2047365-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rob Herring (Arm) 2025-07-08 21:16:37 -05:00 • committed by Mark Brown
parent 45d0376e49
commit defe01abfb
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 7 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
drivers/spi/spi-stm32-ospi.c
View file

@ -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;
}