diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/bios32.c | 45 | ||||
-rw-r--r-- | arch/arm/kernel/irq.c | 4 | ||||
-rw-r--r-- | arch/arm/kernel/jump_label.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/smp_twd.c | 48 |
4 files changed, 43 insertions, 56 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index fcbbbb1b9e95..874e1823f803 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -18,15 +18,6 @@ static int debug_pci; -#ifdef CONFIG_PCI_MSI -struct msi_controller *pcibios_msi_controller(struct pci_dev *dev) -{ - struct pci_sys_data *sysdata = dev->bus->sysdata; - - return sysdata->msi_ctrl; -} -#endif - /* * We can't use pci_get_device() here since we are * called from interrupt context. @@ -459,12 +450,9 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, for (nr = busnr = 0; nr < hw->nr_controllers; nr++) { sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL); - if (!sys) - panic("PCI: unable to allocate sys data!"); + if (WARN(!sys, "PCI: unable to allocate sys data!")) + break; -#ifdef CONFIG_PCI_MSI - sys->msi_ctrl = hw->msi_ctrl; -#endif sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; @@ -486,11 +474,14 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, if (hw->scan) sys->bus = hw->scan(nr, sys); else - sys->bus = pci_scan_root_bus(parent, sys->busnr, - hw->ops, sys, &sys->resources); + sys->bus = pci_scan_root_bus_msi(parent, + sys->busnr, hw->ops, sys, + &sys->resources, hw->msi_ctrl); - if (!sys->bus) - panic("PCI: unable to scan bus!"); + if (WARN(!sys->bus, "PCI: unable to scan bus!")) { + kfree(sys); + break; + } busnr = sys->bus->busn_res.end + 1; @@ -521,6 +512,8 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) struct pci_bus *bus = sys->bus; if (!pci_has_flag(PCI_PROBE_ONLY)) { + struct pci_bus *child; + /* * Size the bridge windows. */ @@ -530,25 +523,15 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) * Assign resources. */ pci_bus_assign_resources(bus); - } + list_for_each_entry(child, &bus->children, node) + pcie_bus_configure_settings(child); + } /* * Tell drivers about devices found. */ pci_bus_add_devices(bus); } - - list_for_each_entry(sys, &head, node) { - struct pci_bus *bus = sys->bus; - - /* Configure PCI Express settings */ - if (bus && !pci_has_flag(PCI_PROBE_ONLY)) { - struct pci_bus *child; - - list_for_each_entry(child, &bus->children, node) - pcie_bus_configure_settings(child); - } - } } #ifndef CONFIG_PCI_HOST_ITE8152 diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index b96c8ed1723a..5ff4826cb154 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -141,7 +141,7 @@ int __init arch_probe_nr_irqs(void) static bool migrate_one_irq(struct irq_desc *desc) { struct irq_data *d = irq_desc_get_irq_data(desc); - const struct cpumask *affinity = d->affinity; + const struct cpumask *affinity = irq_data_get_affinity_mask(d); struct irq_chip *c; bool ret = false; @@ -161,7 +161,7 @@ static bool migrate_one_irq(struct irq_desc *desc) if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) - cpumask_copy(d->affinity, affinity); + cpumask_copy(irq_data_get_affinity_mask(d), affinity); return ret; } diff --git a/arch/arm/kernel/jump_label.c b/arch/arm/kernel/jump_label.c index e39cbf488cfe..845a5dd9c42b 100644 --- a/arch/arm/kernel/jump_label.c +++ b/arch/arm/kernel/jump_label.c @@ -12,7 +12,7 @@ static void __arch_jump_label_transform(struct jump_entry *entry, void *addr = (void *)entry->code; unsigned int insn; - if (type == JUMP_LABEL_ENABLE) + if (type == JUMP_LABEL_JMP) insn = arm_gen_branch(entry->code, entry->target); else insn = arm_gen_nop(); diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 172c6a05d27f..e9035cda1485 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -36,29 +36,30 @@ static DEFINE_PER_CPU(bool, percpu_setup_called); static struct clock_event_device __percpu *twd_evt; static int twd_ppi; -static void twd_set_mode(enum clock_event_mode mode, - struct clock_event_device *clk) +static int twd_shutdown(struct clock_event_device *clk) { - unsigned long ctrl; - - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE - | TWD_TIMER_CONTROL_PERIODIC; - writel_relaxed(DIV_ROUND_CLOSEST(twd_timer_rate, HZ), - twd_base + TWD_TIMER_LOAD); - break; - case CLOCK_EVT_MODE_ONESHOT: - /* period set, and timer enabled in 'next_event' hook */ - ctrl = TWD_TIMER_CONTROL_IT_ENABLE | TWD_TIMER_CONTROL_ONESHOT; - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - default: - ctrl = 0; - } + writel_relaxed(0, twd_base + TWD_TIMER_CONTROL); + return 0; +} +static int twd_set_oneshot(struct clock_event_device *clk) +{ + /* period set, and timer enabled in 'next_event' hook */ + writel_relaxed(TWD_TIMER_CONTROL_IT_ENABLE | TWD_TIMER_CONTROL_ONESHOT, + twd_base + TWD_TIMER_CONTROL); + return 0; +} + +static int twd_set_periodic(struct clock_event_device *clk) +{ + unsigned long ctrl = TWD_TIMER_CONTROL_ENABLE | + TWD_TIMER_CONTROL_IT_ENABLE | + TWD_TIMER_CONTROL_PERIODIC; + + writel_relaxed(DIV_ROUND_CLOSEST(twd_timer_rate, HZ), + twd_base + TWD_TIMER_LOAD); writel_relaxed(ctrl, twd_base + TWD_TIMER_CONTROL); + return 0; } static int twd_set_next_event(unsigned long evt, @@ -94,7 +95,7 @@ static void twd_timer_stop(void) { struct clock_event_device *clk = raw_cpu_ptr(twd_evt); - twd_set_mode(CLOCK_EVT_MODE_UNUSED, clk); + twd_shutdown(clk); disable_percpu_irq(clk->irq); } @@ -296,7 +297,10 @@ static void twd_timer_setup(void) clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP; clk->rating = 350; - clk->set_mode = twd_set_mode; + clk->set_state_shutdown = twd_shutdown; + clk->set_state_periodic = twd_set_periodic; + clk->set_state_oneshot = twd_set_oneshot; + clk->tick_resume = twd_shutdown; clk->set_next_event = twd_set_next_event; clk->irq = twd_ppi; clk->cpumask = cpumask_of(cpu); |