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| author | Yue Hu <huyue2@yulong.com> | 2020-07-30 12:23:53 +0300 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2020-08-04 01:50:54 +0300 |
| commit | 6f1188b4ac7577c29a4883d5618fa2231396fe9d (patch) | |
| tree | 2b4d1ff0d109a560e1c993beabefe54d73356d62 /drivers | |
| parent | bda2127827e9dd2781ae095cda0b8e5bf685c458 (diff) | |
| download | linux-6f1188b4ac7577c29a4883d5618fa2231396fe9d.tar.xz | |
of: reserved-memory: remove duplicated call to of_get_flat_dt_prop() for no-map node
Just use nomap instead of the second call to of_get_flat_dt_prop(). And
change nomap as a bool type due to != NULL operator. Also, correct comment
about node of 'align' -> 'alignment'.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20200730092353.15644-1-zbestahu@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/of_reserved_mem.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 98972881fc59..46b9371c8a33 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -69,7 +69,7 @@ void __init fdt_reserved_mem_save_node(unsigned long node, const char *uname, /** * __reserved_mem_alloc_size() - allocate reserved memory described by - * 'size', 'align' and 'alloc-ranges' properties. + * 'size', 'alignment' and 'alloc-ranges' properties. */ static int __init __reserved_mem_alloc_size(unsigned long node, const char *uname, phys_addr_t *res_base, phys_addr_t *res_size) @@ -79,7 +79,7 @@ static int __init __reserved_mem_alloc_size(unsigned long node, phys_addr_t base = 0, align = 0, size; int len; const __be32 *prop; - int nomap; + bool nomap; int ret; prop = of_get_flat_dt_prop(node, "size", &len); @@ -92,8 +92,6 @@ static int __init __reserved_mem_alloc_size(unsigned long node, } size = dt_mem_next_cell(dt_root_size_cells, &prop); - nomap = of_get_flat_dt_prop(node, "no-map", NULL) != NULL; - prop = of_get_flat_dt_prop(node, "alignment", &len); if (prop) { if (len != dt_root_addr_cells * sizeof(__be32)) { @@ -104,11 +102,13 @@ static int __init __reserved_mem_alloc_size(unsigned long node, align = dt_mem_next_cell(dt_root_addr_cells, &prop); } + nomap = of_get_flat_dt_prop(node, "no-map", NULL) != NULL; + /* Need adjust the alignment to satisfy the CMA requirement */ if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool") && of_get_flat_dt_prop(node, "reusable", NULL) - && !of_get_flat_dt_prop(node, "no-map", NULL)) { + && !nomap) { unsigned long order = max_t(unsigned long, MAX_ORDER - 1, pageblock_order); @@ -247,7 +247,7 @@ void __init fdt_init_reserved_mem(void) int len; const __be32 *prop; int err = 0; - int nomap; + bool nomap; nomap = of_get_flat_dt_prop(node, "no-map", NULL) != NULL; prop = of_get_flat_dt_prop(node, "phandle", &len); |