The patch titled
resource: add resource_type() and IORESOURCE_TYPE_BITS
has been added to the -mm tree. Its filename is
resource-add-resource_type-and-ioresource_type_bits.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: resource: add resource_type() and IORESOURCE_TYPE_BITS
From: Magnus Damm <magnus.damm@xxxxxxxxx>
Introduce resource_type() and IORESOURCE_TYPE_BITS, this is the ground work
that allows us to squeeze in more resource types.
Signed-off-by: Magnus Damm <damm@xxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/platform.c | 31 +++++++++++++++++--------------
include/linux/ioport.h | 7 ++++++-
2 files changed, 23 insertions(+), 15 deletions(-)
diff -puN drivers/base/platform.c~resource-add-resource_type-and-ioresource_type_bits drivers/base/platform.c
--- a/drivers/base/platform.c~resource-add-resource_type-and-ioresource_type_bits
+++ a/drivers/base/platform.c
@@ -42,10 +42,8 @@ struct resource *platform_get_resource(s
for (i = 0; i < dev->num_resources; i++) {
struct resource *r = &dev->resource[i];
- if ((r->flags & (IORESOURCE_IO|IORESOURCE_MEM|
- IORESOURCE_IRQ|IORESOURCE_DMA)) == type)
- if (num-- == 0)
- return r;
+ if (type == resource_type(r) && num-- == 0)
+ return r;
}
return NULL;
}
@@ -78,10 +76,8 @@ struct resource *platform_get_resource_b
for (i = 0; i < dev->num_resources; i++) {
struct resource *r = &dev->resource[i];
- if ((r->flags & (IORESOURCE_IO|IORESOURCE_MEM|
- IORESOURCE_IRQ|IORESOURCE_DMA)) == type)
- if (!strcmp(r->name, name))
- return r;
+ if (type == resource_type(r) && !strcmp(r->name, name))
+ return r;
}
return NULL;
}
@@ -259,9 +255,9 @@ int platform_device_add(struct platform_
p = r->parent;
if (!p) {
- if (r->flags & IORESOURCE_MEM)
+ if (resource_type(r) == IORESOURCE_MEM)
p = &iomem_resource;
- else if (r->flags & IORESOURCE_IO)
+ else if (resource_type(r) == IORESOURCE_IO)
p = &ioport_resource;
}
@@ -282,9 +278,14 @@ int platform_device_add(struct platform_
return ret;
failed:
- while (--i >= 0)
- if (pdev->resource[i].flags & (IORESOURCE_MEM|IORESOURCE_IO))
- release_resource(&pdev->resource[i]);
+ while (--i >= 0) {
+ struct resource *r = &pdev->resource[i];
+ unsigned long type = resource_type(r);
+
+ if (type == IORESOURCE_MEM || type == IORESOURCE_IO)
+ release_resource(r);
+ }
+
return ret;
}
EXPORT_SYMBOL_GPL(platform_device_add);
@@ -306,7 +307,9 @@ void platform_device_del(struct platform
for (i = 0; i < pdev->num_resources; i++) {
struct resource *r = &pdev->resource[i];
- if (r->flags & (IORESOURCE_MEM|IORESOURCE_IO))
+ unsigned long type = resource_type(r);
+
+ if (type == IORESOURCE_MEM || type == IORESOURCE_IO)
release_resource(r);
}
}
diff -puN include/linux/ioport.h~resource-add-resource_type-and-ioresource_type_bits include/linux/ioport.h
--- a/include/linux/ioport.h~resource-add-resource_type-and-ioresource_type_bits
+++ a/include/linux/ioport.h
@@ -34,7 +34,8 @@ struct resource_list {
*/
#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
-#define IORESOURCE_IO 0x00000100 /* Resource type */
+#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */
+#define IORESOURCE_IO 0x00000100
#define IORESOURCE_MEM 0x00000200
#define IORESOURCE_IRQ 0x00000400
#define IORESOURCE_DMA 0x00000800
@@ -123,6 +124,10 @@ static inline resource_size_t resource_s
{
return res->end - res->start + 1;
}
+static inline unsigned long resource_type(struct resource *res)
+{
+ return res->flags & IORESOURCE_TYPE_BITS;
+}
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))
_
Patches currently in -mm which might be from magnus.damm@xxxxxxxxx are
linux-next.patch
video-superh-mobile-lcdc-driver.patch
video-superh-mobile-lcdc-driver-update.patch
resource-add-resource_size.patch
resource-add-resource_size-fix.patch
resource-add-resource_type-and-ioresource_type_bits.patch
resource-add-resource_type-and-ioresource_type_bits-fix.patch
resource-use-new-resource-type-changes.patch
resource-add-new-ioresource_clk-type.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
