dmaengine: bestcomm: Use of_address_to_resource()

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>

diff --git a/drivers/dma/bestcomm/sram.c b/drivers/dma/bestcomm/sram.c
index c465758..0553956 100644 (file)
--- a/drivers/dma/bestcomm/sram.c
+++ b/drivers/dma/bestcomm/sram.c
@@ -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;