linux-toradex.git/arch/powerpc/kernel/msi.c, branch v4.14 Linux kernel for Apalis and Colibri modules powerpc: Remove MSI-related PCI controller ops from ppc_md 2015-06-02T01:47:45+00:00 Daniel Axtens dja@axtens.net 2015-04-14T04:28:03+00:00 1f88d5860e0b8244b28e21b63a521915e5c15313 Remove unneeded ppc_md functions. Patch callsites to use pci_controller_ops functions exclusively. Signed-off-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 
Remove unneeded ppc_md functions. Patch callsites to use pci_controller_ops
functions exclusively.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
powerpc: Add MSI operations to pci_controller_ops struct 2015-05-22T05:50:55+00:00 Daniel Axtens dja@axtens.net 2015-04-14T04:27:54+00:00 e059b105d157d0231e2f0a7fba996724d856114b Add MSI setup and teardown functions to pci_controller_ops. Patch the callsites (arch_{setup,teardown}_msi_irqs) to prefer the controller ops version if it's available. Signed-off-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 
Add MSI setup and teardown functions to pci_controller_ops.

Patch the callsites (arch_{setup,teardown}_msi_irqs) to prefer the
controller ops version if it's available.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
PCI/MSI/PPC: Remove arch_msi_check_device() 2014-10-01T18:21:14+00:00 Alexander Gordeev agordeev@redhat.com 2014-09-07T18:57:53+00:00 6b2fd7efeb888fa781c1f767de6c36497ac1596b Move MSI checks from arch_msi_check_device() to arch_setup_msi_irqs(). This makes the code more compact and allows removing arch_msi_check_device() from generic MSI code. Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> 
Move MSI checks from arch_msi_check_device() to arch_setup_msi_irqs().
This makes the code more compact and allows removing
arch_msi_check_device() from generic MSI code.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
 powerpc/PCI: include pci.h in powerpc MSI implementation 2009-03-25T15:54:29+00:00 Jesse Barnes jbarnes@hobbes.lan 2009-03-25T15:54:29+00:00 ceb93a9ff16612314d757874b6415ffbb2091576 This file uses PCI MSI defines and so needs pci.h. Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> 
This file uses PCI MSI defines and so needs pci.h.

Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
PCI MSI: Add support for multiple MSI 2009-03-20T17:48:14+00:00 Matthew Wilcox willy@linux.intel.com 2009-03-17T12:54:10+00:00 1c8d7b0a562da06d3ebe83f01b1ed553205d1ae4 Add the new API pci_enable_msi_block() to allow drivers to request multiple MSI and reimplement pci_enable_msi in terms of pci_enable_msi_block. Ensure that the architecture back ends don't have to know about multiple MSI. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> 
Add the new API pci_enable_msi_block() to allow drivers to
request multiple MSI and reimplement pci_enable_msi in terms of
pci_enable_msi_block.  Ensure that the architecture back ends don't
have to know about multiple MSI.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[POWERPC] Fix sparse warnings in arch/powerpc/kernel 2008-05-14T12:31:59+00:00 Michael Ellerman michael@ellerman.id.au 2008-05-08T04:27:19+00:00 1c21a2937b1f342a8f5d580203c3396557d53b6e Make a few things static in lparcfg.c Make init and exit routines static in rtas_flash.c Make things static in rtas_pci.c Make some functions static in rtas.c Make fops static in rtas-proc.c Remove unneeded extern for do_gtod in smp.c Make clocksource_init() static in time.c Make last_tick_len and ticklen_to_xs static in time.c Move the declaration of the pvr per-cpu into smp.h Make kexec_smp_down() and kexec_stack static in machine_kexec_64.c Don't return void in arch_teardown_msi_irqs() in msi.c Move declaration of GregorianDay()into asm/time.h Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org> 
Make a few things static in lparcfg.c
Make init and exit routines static in rtas_flash.c
Make things static in rtas_pci.c
Make some functions static in rtas.c
Make fops static in rtas-proc.c
Remove unneeded extern for do_gtod in smp.c
Make clocksource_init() static in time.c
Make last_tick_len and ticklen_to_xs static in time.c
Move the declaration of the pvr per-cpu into smp.h
Make kexec_smp_down() and kexec_stack static in machine_kexec_64.c
Don't return void in arch_teardown_msi_irqs() in msi.c
Move declaration of GregorianDay()into asm/time.h

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
[POWERPC] PowerPC MSI infrastructure 2007-05-08T03:40:31+00:00 Michael Ellerman michael@ellerman.id.au 2007-05-08T02:58:34+00:00 df87ef5508b40fc655b6c4771be31741d8ec1596 This provides the architecture specific hooks to support MSI on powerpc. We implement the newly added arch_setup_msi_irqs() and arch_teardown_msi_irqs(), and then delegate to ppc_md routines. Platforms that don't implement MSI will leave the ppc_md calls blank, arch_msi_check_device() will detect this and return ENOSYS. Drivers should detect this error and continue to use LSI. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org> 
This provides the architecture specific hooks to support MSI on
powerpc.  We implement the newly added arch_setup_msi_irqs() and
arch_teardown_msi_irqs(), and then delegate to ppc_md routines.

Platforms that don't implement MSI will leave the ppc_md calls blank,
arch_msi_check_device() will detect this and return ENOSYS. Drivers
should detect this error and continue to use LSI.

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