[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC PATCH v3 11/24] ARM: fdt: Export and introduce new fdt functions
From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx> Introduce new api device_tree_type_matches() to check for device type. Also export device_tree_get_u32() and device_tree_node_compatible() These functions are later used for parsing NUMA information. Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx> --- v3: Export device_tree_node_compatible() instead of device_tree_node_matches() --- xen/arch/arm/bootfdt.c | 20 ++++++++++++++++---- xen/include/asm-arm/setup.h | 5 +++++ 2 files changed, 21 insertions(+), 4 deletions(-) diff --git a/xen/arch/arm/bootfdt.c b/xen/arch/arm/bootfdt.c index ea188a0..6e8251b 100644 --- a/xen/arch/arm/bootfdt.c +++ b/xen/arch/arm/bootfdt.c @@ -31,8 +31,8 @@ static bool_t __init device_tree_node_matches(const void *fdt, int node, && (name[match_len] == '@' || name[match_len] == '\0'); } -static bool_t __init device_tree_node_compatible(const void *fdt, int node, - const char *match) +bool_t __init device_tree_node_compatible(const void *fdt, int node, + const char *match) { int len, l; int mlen; @@ -62,8 +62,20 @@ static void __init device_tree_get_reg(const __be32 **cell, u32 address_cells, *size = dt_next_cell(size_cells, cell); } -static u32 __init device_tree_get_u32(const void *fdt, int node, - const char *prop_name, u32 dflt) +bool_t __init device_tree_type_matches(const void *fdt, int node, + const char *match) +{ + const void *prop; + + prop = fdt_getprop(fdt, node, "device_type", NULL); + if ( prop == NULL ) + return 0; + + return strcmp(prop, match) == 0 ? 1 : 0; +} + +u32 __init device_tree_get_u32(const void *fdt, int node, + const char *prop_name, u32 dflt) { const struct fdt_property *prop; diff --git a/xen/include/asm-arm/setup.h b/xen/include/asm-arm/setup.h index 7ff2c34..fb78478 100644 --- a/xen/include/asm-arm/setup.h +++ b/xen/include/asm-arm/setup.h @@ -83,6 +83,11 @@ struct bootmodule *add_boot_module(bootmodule_kind kind, struct bootmodule *boot_module_find_by_kind(bootmodule_kind kind); const char * __init boot_module_kind_as_string(bootmodule_kind kind); +u32 device_tree_get_u32(const void *fdt, int node, const char *prop_name, + u32 dflt); +bool_t device_tree_type_matches(const void *fdt, int node, const char *match); +bool_t device_tree_node_compatible(const void *fdt, int node, + const char *match); #endif /* * Local variables: -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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