AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

misc: sram: use devm_platform_ioremap_resource_wc()

Browse Source 
Use the new devm_platform_ioremap_resource_wc() helper instead of
devm_ioremap_wc() combinded with a call to platform_get_resource().
Also use devm_platform_ioremap_resource() where applicable.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191022084318.22256-6-brgl@bgdev.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2019-10-22 10:43:15 +02:00 committed by Greg Kroah-Hartman
parent bb6243b4f7
commit 444b0111f3
1 changed files with 8 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/misc/sram.c
View File

@ -340,8 +340,6 @@ static const struct of_device_id sram_dt_ids[] = {
static int sram_probe(struct platform_device *pdev)
{
struct sram_dev *sram;
struct resource *res;
size_t size;
int ret;
int (*init_func)(void);
@ -351,25 +349,14 @@ static int sram_probe(struct platform_device *pdev)
sram->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(sram->dev, "found no memory resource\n");
return -EINVAL;
}
size = resource_size(res);
if (!devm_request_mem_region(sram->dev, res->start, size, pdev->name)) {
dev_err(sram->dev, "could not request region for resource\n");
return -EBUSY;
}
if (of_property_read_bool(pdev->dev.of_node, "no-memory-wc"))
sram->virt_base = devm_ioremap(sram->dev, res->start, size);
sram->virt_base = devm_platform_ioremap_resource(pdev, 0);
else
sram->virt_base = devm_ioremap_wc(sram->dev, res->start, size);
if (!sram->virt_base)
return -ENOMEM;
sram->virt_base = devm_platform_ioremap_resource_wc(pdev, 0);
if (IS_ERR(sram->virt_base)) {
dev_err(&pdev->dev, "could not map SRAM registers\n");
return PTR_ERR(sram->virt_base);
}
sram->pool = devm_gen_pool_create(sram->dev, ilog2(SRAM_GRANULARITY),
NUMA_NO_NODE, NULL);
@ -382,7 +369,8 @@ static int sram_probe(struct platform_device *pdev)
else
clk_prepare_enable(sram->clk);
ret = sram_reserve_regions(sram, res);
ret = sram_reserve_regions(sram,
platform_get_resource(pdev, IORESOURCE_MEM, 0));
if (ret)
goto err_disable_clk;