From 17a70355ea576843a7ac851f1db26872a50b2850 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Thu, 4 May 2017 12:56:12 -0500 Subject: [PATCH] of: fix sparse warnings in fdt, irq, reserved mem, and resolver code sparse generates the following warnings in drivers/of/: ../drivers/of/fdt.c:63:36: warning: cast to restricted __be32 ../drivers/of/fdt.c:68:33: warning: cast to restricted __be32 ../drivers/of/irq.c:105:88: warning: incorrect type in initializer (different base types) ../drivers/of/irq.c:105:88: expected restricted __be32 ../drivers/of/irq.c:105:88: got int ../drivers/of/irq.c:526:35: warning: incorrect type in assignment (different modifiers) ../drivers/of/irq.c:526:35: expected int ( *const [usertype] irq_init_cb )( ... ) ../drivers/of/irq.c:526:35: got void const *const data ../drivers/of/of_reserved_mem.c:200:50: warning: incorrect type in initializer (different modifiers) ../drivers/of/of_reserved_mem.c:200:50: expected int ( *[usertype] initfn )( ... ) ../drivers/of/of_reserved_mem.c:200:50: got void const *const data ../drivers/of/resolver.c:95:42: warning: incorrect type in assignment (different base types) ../drivers/of/resolver.c:95:42: expected unsigned int [unsigned] [usertype] ../drivers/of/resolver.c:95:42: got restricted __be32 [usertype] All these are harmless type mismatches fixed by adjusting the types. Signed-off-by: Rob Herring --- drivers/of/fdt.c | 4 ++-- drivers/of/irq.c | 2 +- drivers/of/of_reserved_mem.c | 2 +- drivers/of/resolver.c | 2 +- include/linux/of_irq.h | 2 +- 5 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index e33f7818bc6c..a0972219ccfc 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -48,8 +48,8 @@ void of_fdt_limit_memory(int limit) const void *val; int nr_address_cells = OF_ROOT_NODE_ADDR_CELLS_DEFAULT; int nr_size_cells = OF_ROOT_NODE_SIZE_CELLS_DEFAULT; - const uint32_t *addr_prop; - const uint32_t *size_prop; + const __be32 *addr_prop; + const __be32 *size_prop; int root_offset; int cell_size; diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 7c56b72d1dc6..d11437cb1187 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -102,7 +102,7 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq) struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; __be32 initial_match_array[MAX_PHANDLE_ARGS]; const __be32 *match_array = initial_match_array; - const __be32 *tmp, *imap, *imask, dummy_imask[] = { [0 ... MAX_PHANDLE_ARGS] = ~0 }; + const __be32 *tmp, *imap, *imask, dummy_imask[] = { [0 ... MAX_PHANDLE_ARGS] = cpu_to_be32(~0) }; u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; int imaplen, match, i, rc = -EINVAL; diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index d507c3569a88..4dec07ea510f 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -197,7 +197,7 @@ static int __init __reserved_mem_init_node(struct reserved_mem *rmem) const struct of_device_id *i; for (i = __reservedmem_of_table; i < &__rmem_of_table_sentinel; i++) { - reservedmem_of_init_fn initfn = i->data; + int const (*initfn)(struct reserved_mem *rmem) = i->data; const char *compat = i->compatible; if (!of_flat_dt_is_compatible(rmem->fdt_node, compat)) diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c index 7ae9863cb0a4..771f4844c781 100644 --- a/drivers/of/resolver.c +++ b/drivers/of/resolver.c @@ -92,7 +92,7 @@ static void adjust_overlay_phandles(struct device_node *overlay, if (phandle == OF_PHANDLE_ILLEGAL) continue; - *(uint32_t *)prop->value = cpu_to_be32(overlay->phandle); + *(__be32 *)prop->value = cpu_to_be32(overlay->phandle); } for_each_child_of_node(overlay, child) diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index 1e0deb8e8494..ec6b11deb773 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -8,7 +8,7 @@ #include #include -typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *); +typedef int const (*of_irq_init_cb_t)(struct device_node *, struct device_node *); /* * Workarounds only applied to 32bit powermac machines -- 2.20.1