linux-toradex.git/arch/powerpc/sysdev/i8259.c, branch v3.2.34 Linux kernel for Apalis and Colibri modules powerpc: Remove i8259 irq_host_ops->unmap 2011-05-19T05:31:41+00:00 Milton Miller miltonm@bga.com 2011-05-10T19:30:04+00:00 7ee342bdc3d7e2cba4be6d1eece56efec9d3809f It was never called because the host is always IRQ_HOST_MAP_LEGACY. And what it purported to do was mask the interrupt (which will already have happend if we shutdown the interrupt), then synchronise_irq and clear the chip pointer, both of which will have been be done by the caller were we to call unmap on a legacy irq. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
It was never called because the host is always IRQ_HOST_MAP_LEGACY.

And what it purported to do was mask the interrupt (which will already
have happend if we shutdown the interrupt), then synchronise_irq and
clear the chip pointer, both of which will have been be done by the
caller were we to call unmap on a legacy irq.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Convert to new irq_* function names 2011-03-29T12:48:12+00:00 Thomas Gleixner tglx@linutronix.de 2011-03-25T15:45:20+00:00 ec775d0e70eb6b7116406b3441cb8501c2849dd2 Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 
Scripted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
powerpc: Use proper accessors for IRQ_* flags 2011-03-29T12:48:08+00:00 Thomas Gleixner tglx@linutronix.de 2011-03-25T14:43:57+00:00 98488db9ff01849354bffb6a9675b1cc2ecf03fd Use the proper accessors instead of open access to irq_desc. Converted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 
Use the proper accessors instead of open access to irq_desc.
Converted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
powerpc: sysdev/i8259 irq_data conversion. 2011-03-10T00:04:02+00:00 Lennert Buytenhek buytenh@wantstofly.org 2011-03-07T13:59:56+00:00 d4201184347018afcb61d113c3831d04572cf9c7 Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Convert i8259_lock to raw_spinlock 2010-02-19T03:52:31+00:00 Thomas Gleixner tglx@linutronix.de 2010-02-18T02:23:11+00:00 47e3c9046bc884d4f727df00f0b6ec73fa387e50 i8259_lock needs to be a real spinlock in RT. Convert it to raw_spinlock. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
i8259_lock needs to be a real spinlock in RT. Convert it to
raw_spinlock.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Remove whitespace in irq chip name fields 2010-02-17T03:02:48+00:00 Anton Blanchard anton@samba.org 2010-01-31T20:33:41+00:00 fc380c0c8a17bc2bd2d9d7fb41d4a88c3e618db2 Now we use printf style alignment there is no need to manually space these fields. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
Now we use printf style alignment there is no need to manually space
these fields.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Make "intspec" pointers in irq_host->xlate() const 2009-12-09T06:10:37+00:00 Roman Fietze roman.fietze@telemotive.de 2009-12-08T02:39:50+00:00 40d50cf7ca956183f3a573bc21082e1c7d04fa7b Writing a driver using SCLPC on the MPC5200B I detected, that the intspec arrays to map irqs to Linux virq cannot be const, because the mapping and xlate functions only take non const pointers. All those functions do not modify the intspec, so a const pointer could be used. Signed-off-by: Roman Fietze <roman.fietze@telemotive.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
Writing a driver using SCLPC on the MPC5200B I detected, that the
intspec arrays to map irqs to Linux virq cannot be const, because the
mapping and xlate functions only take non const pointers. All those
functions do not modify the intspec, so a const pointer could be used.

Signed-off-by: Roman Fietze <roman.fietze@telemotive.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Fixup last users of irq_chip->typename 2009-11-24T03:32:45+00:00 Thomas Gleixner tglx@linutronix.de 2009-11-18T23:44:21+00:00 b27df67248d3ae61d7814f18e363954254935090 The typename member of struct irq_chip was kept for migration purposes and is obsolete since more than 2 years. Fix up the leftovers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: linuxppc-dev@ozlabs.org Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
The typename member of struct irq_chip was kept for migration purposes
and is obsolete since more than 2 years. Fix up the leftovers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Remove get_irq_desc() 2009-10-30T06:20:55+00:00 Michael Ellerman michael@ellerman.id.au 2009-10-13T19:44:51+00:00 6cff46f4bc6cc4a8a4154b0b6a2e669db08e8fd2 get_irq_desc() is a powerpc-specific version of irq_to_desc(). That is reason enough to remove it, but it also doesn't know about sparse irq_desc support which irq_to_desc() does (when we enable it). Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 
get_irq_desc() is a powerpc-specific version of irq_to_desc(). That
is reason enough to remove it, but it also doesn't know about sparse
irq_desc support which irq_to_desc() does (when we enable it).

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
powerpc: Fix irq_alloc_host() reference counting and callers 2008-06-09T03:51:16+00:00 Michael Ellerman michael@ellerman.id.au 2008-05-26T02:12:32+00:00 19fc65b5251dfd90312ae0142cc8650cd273e6a6 When I changed irq_alloc_host() to take an of_node (52964f87c64e6c6ea671b5bf3030fb1494090a48: "Add an optional device_node pointer to the irq_host"), I botched the reference counting semantics. Stephen pointed out that it's irq_alloc_host()'s business if it needs to take an additional reference to the device_node, the caller shouldn't need to care. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org> 
When I changed irq_alloc_host() to take an of_node
(52964f87c64e6c6ea671b5bf3030fb1494090a48: "Add an optional
device_node pointer to the irq_host"), I botched the reference
counting semantics.

Stephen pointed out that it's irq_alloc_host()'s business if
it needs to take an additional reference to the device_node,
the caller shouldn't need to care.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>