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authorRafał Miłecki <zajec5@gmail.com>2015-03-24 10:38:59 +0000
committerRafał Miłecki <zajec5@gmail.com>2015-03-24 10:38:59 +0000
commita7724918c9d438e02781192e2b43a612ee4a782b (patch)
tree51b0742d8501ca3e931969bd4d915ebe681281f0 /target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
parenta4d7571367920e7e31f60d9c4c23a1eed4d659c7 (diff)
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kernel: mac80211: backport bcma patch renaming IRQ control function
This backports upstream commit 702131e2a393b45174be326f1dbe20b658b4f157 bcma: move PCI IRQ control function to host specific code Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 44969
Diffstat (limited to 'target/linux/generic/patches-3.18/027-bcma-from-4.1.patch')
-rw-r--r--target/linux/generic/patches-3.18/027-bcma-from-4.1.patch111
1 files changed, 84 insertions, 27 deletions
diff --git a/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch b/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
index 83d1f31f42..3a9ea3098f 100644
--- a/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
+++ b/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
@@ -154,32 +154,47 @@
if (err)
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
-@@ -282,21 +282,21 @@ void bcma_core_pci_power_save(struct bcm
+@@ -282,39 +282,6 @@ void bcma_core_pci_power_save(struct bcm
}
EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
-int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
-+int bcma_core_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
- bool enable)
- {
- struct pci_dev *pdev;
- u32 coremask, tmp;
- int err = 0;
-
+- bool enable)
+-{
+- struct pci_dev *pdev;
+- u32 coremask, tmp;
+- int err = 0;
+-
- if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
-+ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
- /* This bcma device is not on a PCI host-bus. So the IRQs are
- * not routed through the PCI core.
- * So we must not enable routing through the PCI core. */
- goto out;
- }
-
+- /* This bcma device is not on a PCI host-bus. So the IRQs are
+- * not routed through the PCI core.
+- * So we must not enable routing through the PCI core. */
+- goto out;
+- }
+-
- pdev = pc->core->bus->host_pci;
-+ pdev = bus->host_pci;
-
- err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
- if (err)
-@@ -328,28 +328,12 @@ static void bcma_core_pci_extend_L1timer
+-
+- err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+- if (err)
+- goto out;
+-
+- coremask = BIT(core->core_index) << 8;
+- if (enable)
+- tmp |= coremask;
+- else
+- tmp &= ~coremask;
+-
+- err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
+-
+-out:
+- return err;
+-}
+-EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl);
+-
+ static void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
+ {
+ u32 w;
+@@ -328,28 +295,12 @@ static void bcma_core_pci_extend_L1timer
bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
}
@@ -318,7 +333,7 @@
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
-@@ -310,3 +323,31 @@ void __exit bcma_host_pci_exit(void)
+@@ -310,3 +323,65 @@ void __exit bcma_host_pci_exit(void)
{
pci_unregister_driver(&bcma_pci_bridge_driver);
}
@@ -350,6 +365,40 @@
+ bcma_core_pci_down(&bus->drv_pci[0]);
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_down);
++
++/* See also si_pci_setup */
++int bcma_host_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
++ bool enable)
++{
++ struct pci_dev *pdev;
++ u32 coremask, tmp;
++ int err = 0;
++
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
++ /* This bcma device is not on a PCI host-bus. So the IRQs are
++ * not routed through the PCI core.
++ * So we must not enable routing through the PCI core. */
++ goto out;
++ }
++
++ pdev = bus->host_pci;
++
++ err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
++ if (err)
++ goto out;
++
++ coremask = BIT(core->core_index) << 8;
++ if (enable)
++ tmp |= coremask;
++ else
++ tmp &= ~coremask;
++
++ err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
++
++out:
++ return err;
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_irq_ctl);
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -363,7 +363,7 @@ static int bcma_register_devices(struct
@@ -377,7 +426,7 @@
#ifdef CONFIG_B43_BCMA
case B43_BUS_BCMA:
- bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
-+ bcma_core_pci_irq_ctl(dev->dev->bdev->bus,
++ bcma_host_pci_irq_ctl(dev->dev->bdev->bus,
dev->dev->bdev, true);
- bcma_core_pci_up(dev->dev->bdev->bus);
+ bcma_host_pci_up(dev->dev->bdev->bus);
@@ -400,7 +449,7 @@
* to allow mfg hotswap: down, hotswap (chip power cycle), up.
*/
- bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core,
-+ bcma_core_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
++ bcma_host_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
true);
/*
@@ -430,13 +479,15 @@
}
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
-@@ -434,6 +434,18 @@ static inline struct bcma_device *bcma_f
+@@ -434,6 +434,27 @@ static inline struct bcma_device *bcma_f
return bcma_find_core_unit(bus, coreid, 0);
}
+#ifdef CONFIG_BCMA_HOST_PCI
+extern void bcma_host_pci_up(struct bcma_bus *bus);
+extern void bcma_host_pci_down(struct bcma_bus *bus);
++extern int bcma_host_pci_irq_ctl(struct bcma_bus *bus,
++ struct bcma_device *core, bool enable);
+#else
+static inline void bcma_host_pci_up(struct bcma_bus *bus)
+{
@@ -444,6 +495,13 @@
+static inline void bcma_host_pci_down(struct bcma_bus *bus)
+{
+}
++static inline int bcma_host_pci_irq_ctl(struct bcma_bus *bus,
++ struct bcma_device *core, bool enable)
++{
++ if (bus->hosttype == BCMA_HOSTTYPE_PCI)
++ return -ENOTSUPP;
++ return 0;
++}
+#endif
+
extern bool bcma_core_is_enabled(struct bcma_device *core);
@@ -451,15 +509,14 @@
extern int bcma_core_enable(struct bcma_device *core, u32 flags);
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
-@@ -238,12 +238,8 @@ struct bcma_drv_pci {
+@@ -238,12 +238,6 @@ struct bcma_drv_pci {
#define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val)
#define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
-extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
-extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
-extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
-+extern int bcma_core_pci_irq_ctl(struct bcma_bus *bus,
- struct bcma_device *core, bool enable);
+- struct bcma_device *core, bool enable);
-extern void bcma_core_pci_up(struct bcma_bus *bus);
-extern void bcma_core_pci_down(struct bcma_bus *bus);
extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);