diff options
| author | Rob Herring <robh@kernel.org> | 2023-03-19 19:31:25 +0300 |
|---|---|---|
| committer | Florian Fainelli <f.fainelli@gmail.com> | 2023-03-25 00:08:43 +0300 |
| commit | 3c01b05407bfeb42c4db0f7cc079437228ab0ab2 (patch) | |
| tree | c0a81c440ee9bd5aac167916b6fba6c08cd931db /arch/arm/mach-bcm | |
| parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) | |
| download | linux-3c01b05407bfeb42c4db0f7cc079437228ab0ab2.tar.xz | |
ARM: bcm: Use of_address_to_resource()
Replace open coded parsing of "reg" with of_address_to_resource().
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230319163125.224833-1-robh@kernel.org
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/mach-bcm')
| -rw-r--r-- | arch/arm/mach-bcm/bcm_kona_smc.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/arch/arm/mach-bcm/bcm_kona_smc.c b/arch/arm/mach-bcm/bcm_kona_smc.c index 185335843bbd..f236e12d7a59 100644 --- a/arch/arm/mach-bcm/bcm_kona_smc.c +++ b/arch/arm/mach-bcm/bcm_kona_smc.c @@ -31,34 +31,23 @@ static const struct of_device_id bcm_kona_smc_ids[] __initconst = { int __init bcm_kona_smc_init(void) { struct device_node *node; - const __be32 *prop_val; - u64 prop_size = 0; - unsigned long buffer_size; - u32 buffer_phys; + struct resource res; + int ret; /* Read buffer addr and size from the device tree node */ node = of_find_matching_node(NULL, bcm_kona_smc_ids); if (!node) return -ENODEV; - prop_val = of_get_address(node, 0, &prop_size, NULL); + ret = of_address_to_resource(node, 0, &res); of_node_put(node); - if (!prop_val) + if (ret) return -EINVAL; - /* We assume space for four 32-bit arguments */ - if (prop_size < 4 * sizeof(u32) || prop_size > (u64)ULONG_MAX) - return -EINVAL; - buffer_size = (unsigned long)prop_size; - - buffer_phys = be32_to_cpup(prop_val); - if (!buffer_phys) - return -EINVAL; - - bcm_smc_buffer = ioremap(buffer_phys, buffer_size); + bcm_smc_buffer = ioremap(res.start, resource_size(&res)); if (!bcm_smc_buffer) return -ENOMEM; - bcm_smc_buffer_phys = buffer_phys; + bcm_smc_buffer_phys = res.start; pr_info("Kona Secure API initialized\n"); |