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| author | Christian Krafft <krafft@de.ibm.com> | 2007-04-23 21:35:45 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@klappe.arndb.de> | 2007-04-23 21:44:40 +0200 |
| commit | 6bf05fd776e38a0a9c17e17c2345b59b1b9aa2cb (patch) | |
| tree | 2f7c2ecec6918614f6f407bec94299d79baf5b47 /arch/powerpc | |
| parent | [POWERPC] pmi probe device by device-type (diff) | |
| download | linux-6bf05fd776e38a0a9c17e17c2345b59b1b9aa2cb.tar.xz linux-6bf05fd776e38a0a9c17e17c2345b59b1b9aa2cb.zip | |
[POWERPC] add of_iomap function
The of_iomap function maps memory for a given
device_node and returns a pointer to that memory.
This is used at some places, so it makes sense to
a seperate function.
Signed-off-by: Christian Krafft <krafft@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/sysdev/pmi.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index 05db1f9f82d3..85a7c99c1003 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -33,7 +33,7 @@ #include <asm/of_platform.h> #include <asm/io.h> #include <asm/pmi.h> - +#include <asm/prom.h> struct pmi_data { struct list_head handler; @@ -49,21 +49,6 @@ struct pmi_data { }; - -static void __iomem *of_iomap(struct device_node *np) -{ - struct resource res; - - if (of_address_to_resource(np, 0, &res)) - return NULL; - - pr_debug("Resource start: 0x%lx\n", res.start); - pr_debug("Resource end: 0x%lx\n", res.end); - - return ioremap(res.start, 1 + res.end - res.start); -} - - static int pmi_irq_handler(int irq, void *dev_id) { struct pmi_data *data; @@ -154,7 +139,7 @@ static int pmi_of_probe(struct of_device *dev, goto out; } - data->pmi_reg = of_iomap(np); + data->pmi_reg = of_iomap(np, 0); if (!data->pmi_reg) { printk(KERN_ERR "pmi: invalid register address.\n"); rc = -EFAULT; |