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dmaengine: bestcomm: Use of_address_to_resource()

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Replace of_get_address() and of_translate_address() calls with single
call to of_address_to_resource().

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230319163222.226377-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Rob Herring 2023-03-19 11:32:22 -05:00 committed by Vinod Koul
parent d77c4502d6
commit f60a150822
1 changed files with 8 additions and 11 deletions
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19
drivers/dma/bestcomm/sram.c
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@ -38,7 +38,7 @@ int bcom_sram_init(struct device_node *sram_node, char *owner)
{
int rv;
const u32 *regaddr_p;
u64 regaddr64, size64;
struct resource res;
unsigned int psize;
/* Create our state struct */
@ -56,21 +56,18 @@ int bcom_sram_init(struct device_node *sram_node, char *owner)
}
/* Get address and size of the sram */
regaddr_p = of_get_address(sram_node, 0, &size64, NULL);
if (!regaddr_p) {
rv = of_address_to_resource(sram_node, 0, &res);
if (rv) {
printk(KERN_ERR "%s: bcom_sram_init: "
"Invalid device node !\n", owner);
rv = -EINVAL;
goto error_free;
}
regaddr64 = of_translate_address(sram_node, regaddr_p);
bcom_sram->base_phys = (phys_addr_t) regaddr64;
bcom_sram->size = (unsigned int) size64;
bcom_sram->base_phys = res.start;
bcom_sram->size = resource_size(&res);
/* Request region */
if (!request_mem_region(bcom_sram->base_phys, bcom_sram->size, owner)) {
if (!request_mem_region(res.start, resource_size(&res), owner)) {
printk(KERN_ERR "%s: bcom_sram_init: "
"Couldn't request region !\n", owner);
rv = -EBUSY;
@ -79,7 +76,7 @@ int bcom_sram_init(struct device_node *sram_node, char *owner)
/* Map SRAM */
/* sram is not really __iomem */
bcom_sram->base_virt = (void*) ioremap(bcom_sram->base_phys, bcom_sram->size);
bcom_sram->base_virt = (void *)ioremap(res.start, resource_size(&res));
if (!bcom_sram->base_virt) {
printk(KERN_ERR "%s: bcom_sram_init: "
@ -120,7 +117,7 @@ int bcom_sram_init(struct device_node *sram_node, char *owner)
return 0;
error_release:
release_mem_region(bcom_sram->base_phys, bcom_sram->size);
release_mem_region(res.start, resource_size(&res));
error_free:
kfree(bcom_sram);
bcom_sram = NULL;