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| author | Rob Herring <r.herring@freescale.com> | 2010-06-08 07:48:08 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-05 16:14:25 -0600 |
| commit | a7c194b007ec40a130207e9ace9cecf598fc6ac5 (patch) | |
| tree | d5be1544285ab73d202b96ae20545d8d08d9bd1f /drivers/of | |
| parent | 7dc2e1134a22dc242175d5321c0c9e97d16eb87b (diff) | |
| download | linux-a7c194b007ec40a130207e9ace9cecf598fc6ac5.tar.gz linux-a7c194b007ec40a130207e9ace9cecf598fc6ac5.tar.bz2 linux-a7c194b007ec40a130207e9ace9cecf598fc6ac5.zip | |
of/irq: little endian fixes
Fix some endian issues in the irq mapping OF code.
Signed-off-by: Rob Herring <r.herring@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
CC: Michal Simek <monstr@monstr.eu>
CC: Wolfram Sang <w.sang@pengutronix.de>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/irq.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 598454fbdd1e..623eb661c629 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); |