[PATCH 25/36] Driver core: add dev_archdata to struct device

From: Benjamin Herrenschmidt <[email protected]>

Add arch specific dev_archdata to struct device

Adds an arch specific struct dev_arch to struct device. This enables
architecture to add specific fields to every device in the system, like
DMA operation pointers, NUMA node ID, firmware specific data, etc...

Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Acked-by: Andi Kleen <[email protected]>
Acked-By: David Howells <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 include/asm-alpha/device.h     |    7 +++++++
 include/asm-arm/device.h       |    7 +++++++
 include/asm-arm26/device.h     |    7 +++++++
 include/asm-avr32/device.h     |    7 +++++++
 include/asm-cris/device.h      |    7 +++++++
 include/asm-frv/device.h       |    7 +++++++
 include/asm-generic/device.h   |   12 ++++++++++++
 include/asm-h8300/device.h     |    7 +++++++
 include/asm-i386/device.h      |    7 +++++++
 include/asm-ia64/device.h      |    7 +++++++
 include/asm-m32r/device.h      |    7 +++++++
 include/asm-m68k/device.h      |    7 +++++++
 include/asm-m68knommu/device.h |    7 +++++++
 include/asm-mips/device.h      |    7 +++++++
 include/asm-parisc/device.h    |    7 +++++++
 include/asm-powerpc/device.h   |    7 +++++++
 include/asm-ppc/device.h       |    7 +++++++
 include/asm-s390/device.h      |    7 +++++++
 include/asm-sh/device.h        |    7 +++++++
 include/asm-sh64/device.h      |    7 +++++++
 include/asm-sparc/device.h     |    7 +++++++
 include/asm-sparc64/device.h   |    7 +++++++
 include/asm-um/device.h        |    7 +++++++
 include/asm-v850/device.h      |    7 +++++++
 include/asm-x86_64/device.h    |    7 +++++++
 include/asm-xtensa/device.h    |    7 +++++++
 include/linux/device.h         |    3 +++
 27 files changed, 190 insertions(+), 0 deletions(-)

diff --git a/include/asm-alpha/device.h b/include/asm-alpha/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-alpha/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-arm/device.h b/include/asm-arm/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-arm/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-arm26/device.h b/include/asm-arm26/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-arm26/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-avr32/device.h b/include/asm-avr32/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-avr32/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-cris/device.h b/include/asm-cris/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-cris/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-frv/device.h b/include/asm-frv/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-frv/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-generic/device.h b/include/asm-generic/device.h
new file mode 100644
index 0000000..c17c960
--- /dev/null
+++ b/include/asm-generic/device.h
@@ -0,0 +1,12 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#ifndef _ASM_GENERIC_DEVICE_H
+#define _ASM_GENERIC_DEVICE_H
+
+struct dev_archdata {
+};
+
+#endif /* _ASM_GENERIC_DEVICE_H */
diff --git a/include/asm-h8300/device.h b/include/asm-h8300/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-h8300/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-i386/device.h b/include/asm-i386/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-i386/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-ia64/device.h b/include/asm-ia64/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-ia64/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-m32r/device.h b/include/asm-m32r/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-m32r/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-m68k/device.h b/include/asm-m68k/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-m68k/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-m68knommu/device.h b/include/asm-m68knommu/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-m68knommu/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-mips/device.h b/include/asm-mips/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-mips/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-parisc/device.h b/include/asm-parisc/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-parisc/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-powerpc/device.h b/include/asm-powerpc/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-powerpc/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-ppc/device.h b/include/asm-ppc/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-ppc/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-s390/device.h b/include/asm-s390/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-s390/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-sh/device.h b/include/asm-sh/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-sh/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-sh64/device.h b/include/asm-sh64/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-sh64/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-sparc/device.h b/include/asm-sparc/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-sparc/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-sparc64/device.h b/include/asm-sparc64/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-sparc64/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-um/device.h b/include/asm-um/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-um/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-v850/device.h b/include/asm-v850/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-v850/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-x86_64/device.h b/include/asm-x86_64/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-x86_64/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-xtensa/device.h b/include/asm-xtensa/device.h
new file mode 100644
index 0000000..d8f9872
--- /dev/null
+++ b/include/asm-xtensa/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/linux/device.h b/include/linux/device.h
index 00b29e0..5b54d75 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -21,6 +21,7 @@
 #include <linux/pm.h>
 #include <asm/semaphore.h>
 #include <asm/atomic.h>
+#include <asm/device.h>
 
 #define DEVICE_NAME_SIZE	50
 #define DEVICE_NAME_HALF	__stringify(20)	/* Less than half to accommodate slop */
@@ -383,6 +384,8 @@ struct device {
 
 	struct dma_coherent_mem	*dma_mem; /* internal for coherent mem
 					     override */
+	/* arch specific additions */
+	struct dev_archdata	archdata;
 
 	/* class_device migration path */
 	struct list_head	node;
-- 
1.4.4.1

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---

• Follow-Ups:
  • [PATCH 26/36] ACPI: Change ACPI to use dev_archdata instead of firmware_data
    • From: Greg KH <[email protected]>

• References:
  • [GIT PATCH] Driver core patches for 2.6.19
    • From: Greg KH <[email protected]>
  • [PATCH 1/36] Driver core: add notification of bus events
    • From: Greg KH <[email protected]>
  • [PATCH 2/36] Driver core: fix "driver" symlink timing
    • From: Greg KH <[email protected]>
  • [PATCH 3/36] Driver Core: Move virtual_device_parent() to core.c
    • From: Greg KH <[email protected]>
  • [PATCH 4/36] CONFIG_SYSFS_DEPRECATED
    • From: Greg KH <[email protected]>
  • [PATCH 5/36] Driver core: make old versions of udev work properly
    • From: Greg KH <[email protected]>
  • [PATCH 6/36] CONFIG_SYSFS_DEPRECATED - bus symlinks
    • From: Greg KH <[email protected]>
  • [PATCH 7/36] CONFIG_SYSFS_DEPRECATED - device symlinks
    • From: Greg KH <[email protected]>
  • [PATCH 8/36] CONFIG_SYSFS_DEPRECATED - PHYSDEV* uevent variables
    • From: Greg KH <[email protected]>
  • [PATCH 9/36] CONFIG_SYSFS_DEPRECATED - class symlinks
    • From: Greg KH <[email protected]>
  • [PATCH 10/36] Driver core: convert vt code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 11/36] Driver core: convert vc code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 12/36] Driver core: change misc class_devices to be real devices
    • From: Greg KH <[email protected]>
  • [PATCH 13/36] Driver core: convert tty core to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 14/36] Driver core: convert raw device code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 15/36] I2C: convert i2c-dev to use struct device instead of struct class_device
    • From: Greg KH <[email protected]>
  • [PATCH 16/36] Driver core: convert msr code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 17/36] Driver core: convert cpuid code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 18/36] Driver core: convert PPP code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 19/36] Driver core: convert ppdev code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 20/36] Driver core: convert mmc code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 22/36] Driver core: convert fb code to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 23/36] Driver core: change mem class_devices to be real devices
    • From: Greg KH <[email protected]>
  • [PATCH 24/36] Driver core: convert sound core to use struct device
    • From: Greg KH <[email protected]>

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