From: matt@masarand.com
To: bhelgaas@google.com
Cc: linux-pci@vger.kernel.org, Matthew Minter <matt@masarand.com>
Subject: [PATCH 05/18] Delayed sh setup of PCI IRQs to bus scan time
Date: Thu, 2 Oct 2014 05:07:33 +0100 [thread overview]
Message-ID: <1412222866-21068-6-git-send-email-matt@masarand.com> (raw)
In-Reply-To: <1412222866-21068-1-git-send-email-matt@masarand.com>
From: Matthew Minter <matt@masarand.com>
Currently platform specific PCI device IRQ assignment is run during
the boot code, this results in a wide array of differing code paths
and causes hot-plugged PCI devices to not be assigned IRQs, this
patch removes the boot time initialisation of such IRQs and instead
registers assignment functions to be run during the PCI device enable
plase.
Signed-off-by: Matthew Minter <matt@masarand.com>
---
arch/sh/drivers/pci/fixups-cayman.c | 2 +-
arch/sh/drivers/pci/fixups-dreamcast.c | 2 +-
arch/sh/drivers/pci/fixups-r7780rp.c | 2 +-
arch/sh/drivers/pci/fixups-rts7751r2d.c | 6 +++---
arch/sh/drivers/pci/fixups-sdk7780.c | 4 ++--
arch/sh/drivers/pci/fixups-se7751.c | 2 +-
arch/sh/drivers/pci/fixups-sh03.c | 2 +-
arch/sh/drivers/pci/fixups-snapgear.c | 2 +-
arch/sh/drivers/pci/fixups-titan.c | 4 ++--
arch/sh/drivers/pci/pci.c | 10 +++++++---
arch/sh/drivers/pci/pcie-sh7786.c | 2 +-
11 files changed, 21 insertions(+), 17 deletions(-)
diff --git a/arch/sh/drivers/pci/fixups-cayman.c b/arch/sh/drivers/pci/fixups-cayman.c
index edc2fb7..3246788 100644
--- a/arch/sh/drivers/pci/fixups-cayman.c
+++ b/arch/sh/drivers/pci/fixups-cayman.c
@@ -5,7 +5,7 @@
#include <cpu/irq.h>
#include "pci-sh5.h"
-int __init pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
int result = -1;
diff --git a/arch/sh/drivers/pci/fixups-dreamcast.c b/arch/sh/drivers/pci/fixups-dreamcast.c
index 1d1c5a2..9d597f7 100644
--- a/arch/sh/drivers/pci/fixups-dreamcast.c
+++ b/arch/sh/drivers/pci/fixups-dreamcast.c
@@ -76,7 +76,7 @@ static void gapspci_fixup_resources(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, gapspci_fixup_resources);
-int __init pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
/*
* The interrupt routing semantics here are quite trivial.
diff --git a/arch/sh/drivers/pci/fixups-r7780rp.c b/arch/sh/drivers/pci/fixups-r7780rp.c
index 57ed3f0..2c9b58f 100644
--- a/arch/sh/drivers/pci/fixups-r7780rp.c
+++ b/arch/sh/drivers/pci/fixups-r7780rp.c
@@ -15,7 +15,7 @@
#include <linux/sh_intc.h>
#include "pci-sh4.h"
-int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
return evt2irq(0xa20) + slot;
}
diff --git a/arch/sh/drivers/pci/fixups-rts7751r2d.c b/arch/sh/drivers/pci/fixups-rts7751r2d.c
index eaddb56..358ac10 100644
--- a/arch/sh/drivers/pci/fixups-rts7751r2d.c
+++ b/arch/sh/drivers/pci/fixups-rts7751r2d.c
@@ -20,18 +20,18 @@
#define PCIMCR_MRSET_OFF 0xBFFFFFFF
#define PCIMCR_RFSH_OFF 0xFFFFFFFB
-static u8 rts7751r2d_irq_tab[] __initdata = {
+static u8 rts7751r2d_irq_tab[] = {
IRQ_PCI_INTA,
IRQ_PCI_INTB,
IRQ_PCI_INTC,
IRQ_PCI_INTD,
};
-static char lboxre2_irq_tab[] __initdata = {
+static char lboxre2_irq_tab[] = {
IRQ_ETH0, IRQ_ETH1, IRQ_INTA, IRQ_INTD,
};
-int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
if (mach_is_lboxre2())
return lboxre2_irq_tab[slot];
diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c
index c0a015a..24e96df 100644
--- a/arch/sh/drivers/pci/fixups-sdk7780.c
+++ b/arch/sh/drivers/pci/fixups-sdk7780.c
@@ -22,7 +22,7 @@
#define IRQ_INTD evt2irq(0xa80)
/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
-static char sdk7780_irq_tab[4][16] __initdata = {
+static char sdk7780_irq_tab[4][16] = {
/* INTA */
{ IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1 },
@@ -37,7 +37,7 @@ static char sdk7780_irq_tab[4][16] __initdata = {
-1, -1, -1 },
};
-int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
return sdk7780_irq_tab[pin-1][slot];
}
diff --git a/arch/sh/drivers/pci/fixups-se7751.c b/arch/sh/drivers/pci/fixups-se7751.c
index 84a88ca..1cb8d0a 100644
--- a/arch/sh/drivers/pci/fixups-se7751.c
+++ b/arch/sh/drivers/pci/fixups-se7751.c
@@ -7,7 +7,7 @@
#include <linux/sh_intc.h>
#include "pci-sh4.h"
-int __init pcibios_map_platform_irq(const struct pci_dev *, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *, u8 slot, u8 pin)
{
switch (slot) {
case 0: return evt2irq(0x3a0);
diff --git a/arch/sh/drivers/pci/fixups-sh03.c b/arch/sh/drivers/pci/fixups-sh03.c
index 16207be..55ac1ba 100644
--- a/arch/sh/drivers/pci/fixups-sh03.c
+++ b/arch/sh/drivers/pci/fixups-sh03.c
@@ -4,7 +4,7 @@
#include <linux/pci.h>
#include <linux/sh_intc.h>
-int __init pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
diff --git a/arch/sh/drivers/pci/fixups-snapgear.c b/arch/sh/drivers/pci/fixups-snapgear.c
index 6e33ba4..a931e59 100644
--- a/arch/sh/drivers/pci/fixups-snapgear.c
+++ b/arch/sh/drivers/pci/fixups-snapgear.c
@@ -19,7 +19,7 @@
#include <linux/sh_intc.h>
#include "pci-sh4.h"
-int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
int irq = -1;
diff --git a/arch/sh/drivers/pci/fixups-titan.c b/arch/sh/drivers/pci/fixups-titan.c
index bd1addb..a9d563e 100644
--- a/arch/sh/drivers/pci/fixups-titan.c
+++ b/arch/sh/drivers/pci/fixups-titan.c
@@ -19,7 +19,7 @@
#include <mach/titan.h>
#include "pci-sh4.h"
-static char titan_irq_tab[] __initdata = {
+static char titan_irq_tab[] = {
TITAN_IRQ_WAN,
TITAN_IRQ_LAN,
TITAN_IRQ_MPCIA,
@@ -27,7 +27,7 @@ static char titan_irq_tab[] __initdata = {
TITAN_IRQ_USB,
};
-int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
int irq = titan_irq_tab[slot];
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 1bc09ee..718fae3 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -141,16 +141,20 @@ static int __init pcibios_init(void)
for (hose = hose_head; hose; hose = hose->next)
pcibios_scanbus(hose);
- pci_fixup_irqs(pci_common_swizzle, pcibios_map_platform_irq);
-
dma_debug_add_bus(&pci_bus_type);
-
pci_initialized = 1;
return 0;
}
subsys_initcall(pcibios_init);
+int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+ bridge->swizzle_irq = pci_common_swizzle;
+ bridge->map_irq = pcibios_map_platform_irq;
+ return 0;
+}
+
/*
* Called after each bus is probed, but before its children
* are examined.
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index a162a7f..0167a73 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -467,7 +467,7 @@ static int __init pcie_init(struct sh7786_pcie_port *port)
return 0;
}
-int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
return evt2irq(0xae0);
}
--
2.1.0
next prev parent reply other threads:[~2014-10-02 4:08 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-02 4:07 [PATCH V3] Delay allocation of PCI device IRQs from boot time until bus scan time to fix PCI hotplugging matt
2014-10-02 4:07 ` [PATCH 01/18] Added way to register deferred PCI IRQ assignment handlers matt
2014-10-02 10:33 ` Liviu Dudau
2014-10-14 23:25 ` Bjorn Helgaas
2014-10-14 17:15 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 02/18] Delayed x86 setup of PCI IRQs to bus scan time matt
2014-10-02 10:51 ` Liviu Dudau
2014-10-14 18:11 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 03/18] Delayed arm " matt
2014-10-14 18:14 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 04/18] Delayed powerpc " matt
2014-10-14 18:20 ` Bjorn Helgaas
2014-10-02 4:07 ` matt [this message]
2014-10-14 18:25 ` [PATCH 05/18] Delayed sh " Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 06/18] Delayed alpha " matt
2014-10-14 18:27 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 07/18] Delayed cris " matt
2014-10-14 18:34 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 08/18] Delayed frv " matt
2014-10-14 18:37 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 09/18] Delayed m68k " matt
2014-10-14 18:38 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 10/18] Delayed microblaze " matt
2014-10-02 4:07 ` [PATCH 11/18] Delayed mips " matt
2014-10-02 4:07 ` [PATCH 12/18] Delayed mn10300 " matt
2014-10-14 18:46 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 13/18] Delayed sparc " matt
2014-10-14 18:51 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 14/18] Delayed tile " matt
2014-10-02 4:07 ` [PATCH 15/18] Delayed unicore32 " matt
2014-10-02 4:07 ` [PATCH 16/18] Disabled bus scan time PCI IRQ assignment on ia64 matt
2014-10-14 18:53 ` Bjorn Helgaas
2014-10-02 4:07 ` [PATCH 17/18] Disabled bus scan time PCI IRQ assignment on parisc matt
2014-10-02 4:07 ` [PATCH 18/18] Disabled bus scan time PCI IRQ assignment on s390 matt
2015-01-31 14:56 ` [PATCH V3] Delay allocation of PCI device IRQs from boot time until bus scan time to fix PCI hotplugging Bjorn Helgaas
-- strict thread matches above, loose matches on Subject: below --
2014-10-02 3:50 matt
2014-10-02 3:50 ` [PATCH 05/18] Delayed sh setup of PCI IRQs to bus scan time matt
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