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ARM: 7588/1: amba: create a resource parent registrator 

This creates amba_apb_device_add_res() and
amba_ahb_device_add_res() respectively, to add devices with
another parent than iomem_resource. This is needed to specify
that a device is contained in a specific IO range.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Linus Walleij 2012-11-30 16:30:43 +01:00 committed by Russell King
parent 4095ccc39e
commit 3ad909bc8f
2 changed files with 38 additions and 4 deletions
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32
drivers/amba/bus.c
View File

@ -546,7 +546,8 @@ EXPORT_SYMBOL_GPL(amba_device_add);
static struct amba_device *
amba_aphb_device_add(struct device *parent, const char *name,
resource_size_t base, size_t size, int irq1, int irq2,
void *pdata, unsigned int periphid, u64 dma_mask)
void *pdata, unsigned int periphid, u64 dma_mask,
struct resource *resbase)
{
struct amba_device *dev;
int ret;
@ -563,7 +564,7 @@ amba_aphb_device_add(struct device *parent, const char *name,
dev->dev.platform_data = pdata;
dev->dev.parent = parent;
ret = amba_device_add(dev, &iomem_resource);
ret = amba_device_add(dev, resbase);
if (ret) {
amba_device_put(dev);
return ERR_PTR(ret);
@ -578,7 +579,7 @@ amba_apb_device_add(struct device *parent, const char *name,
void *pdata, unsigned int periphid)
{
return amba_aphb_device_add(parent, name, base, size, irq1, irq2, pdata,
periphid, 0);
periphid, 0, &iomem_resource);
}
EXPORT_SYMBOL_GPL(amba_apb_device_add);
@ -588,10 +589,33 @@ amba_ahb_device_add(struct device *parent, const char *name,
void *pdata, unsigned int periphid)
{
return amba_aphb_device_add(parent, name, base, size, irq1, irq2, pdata,
periphid, ~0ULL);
periphid, ~0ULL, &iomem_resource);
}
EXPORT_SYMBOL_GPL(amba_ahb_device_add);
struct amba_device *
amba_apb_device_add_res(struct device *parent, const char *name,
resource_size_t base, size_t size, int irq1,
int irq2, void *pdata, unsigned int periphid,
struct resource *resbase)
{
return amba_aphb_device_add(parent, name, base, size, irq1, irq2, pdata,
periphid, 0, resbase);
}
EXPORT_SYMBOL_GPL(amba_apb_device_add_res);
struct amba_device *
amba_ahb_device_add_res(struct device *parent, const char *name,
resource_size_t base, size_t size, int irq1,
int irq2, void *pdata, unsigned int periphid,
struct resource *resbase)
{
return amba_aphb_device_add(parent, name, base, size, irq1, irq2, pdata,
periphid, ~0ULL, resbase);
}
EXPORT_SYMBOL_GPL(amba_ahb_device_add_res);
static void amba_device_initialize(struct amba_device *dev, const char *name)
{
device_initialize(&dev->dev);

10
include/linux/amba/bus.h
View File

@ -71,6 +71,16 @@ struct amba_device *amba_ahb_device_add(struct device *parent, const char *name,
resource_size_t base, size_t size,
int irq1, int irq2, void *pdata,
unsigned int periphid);
struct amba_device *
amba_apb_device_add_res(struct device *parent, const char *name,
resource_size_t base, size_t size, int irq1,
int irq2, void *pdata, unsigned int periphid,
struct resource *resbase);
struct amba_device *
amba_ahb_device_add_res(struct device *parent, const char *name,
resource_size_t base, size_t size, int irq1,
int irq2, void *pdata, unsigned int periphid,
struct resource *resbase);
void amba_device_unregister(struct amba_device *);
struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
int amba_request_regions(struct amba_device *, const char *);