From a7c194b007ec40a130207e9ace9cecf598fc6ac5 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Tue, 8 Jun 2010 07:48:08 -0600 Subject: [PATCH] of/irq: little endian fixes Fix some endian issues in the irq mapping OF code. Signed-off-by: Rob Herring Signed-off-by: Grant Likely CC: Michal Simek CC: Wolfram Sang CC: Stephen Rothwell CC: Benjamin Herrenschmidt --- drivers/of/irq.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 598454fb..623eb66 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -95,7 +95,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, const u32 *addr, struct of_irq *out_irq) { struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; - const u32 *tmp, *imap, *imask; + const __be32 *tmp, *imap, *imask; u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; int imaplen, match, i; @@ -111,7 +111,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, do { tmp = of_get_property(ipar, "#interrupt-cells", NULL); if (tmp != NULL) { - intsize = *tmp; + intsize = be32_to_cpu(*tmp); break; } tnode = ipar; @@ -140,7 +140,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, } while (old && tmp == NULL); of_node_put(old); old = NULL; - addrsize = (tmp == NULL) ? 2 : *tmp; + addrsize = (tmp == NULL) ? 2 : be32_to_cpu(*tmp); pr_debug(" -> addrsize=%d\n", addrsize); @@ -152,8 +152,9 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, if (of_get_property(ipar, "interrupt-controller", NULL) != NULL) { pr_debug(" -> got it !\n"); - memcpy(out_irq->specifier, intspec, - intsize * sizeof(u32)); + for (i = 0; i < intsize; i++) + out_irq->specifier[i] = + of_read_number(intspec +i, 1); out_irq->size = intsize; out_irq->controller = ipar; of_node_put(old); @@ -223,9 +224,9 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, pr_debug(" -> parent lacks #interrupt-cells!\n"); goto fail; } - newintsize = *tmp; + newintsize = be32_to_cpu(*tmp); tmp = of_get_property(newpar, "#address-cells", NULL); - newaddrsize = (tmp == NULL) ? 0 : *tmp; + newaddrsize = (tmp == NULL) ? 0 : be32_to_cpu(*tmp); pr_debug(" -> newintsize=%d, newaddrsize=%d\n", newintsize, newaddrsize); @@ -307,7 +308,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq tmp = of_get_property(p, "#interrupt-cells", NULL); if (tmp == NULL) goto out; - intsize = *tmp; + intsize = be32_to_cpu(*tmp); pr_debug(" intsize=%d intlen=%d\n", intsize, intlen); -- 2.7.4