summaryrefslogtreecommitdiff
path: root/arch/mips
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/boot/dts/ingenic/qi_lb60.dts2
-rw-r--r--arch/mips/cavium-octeon/octeon-usb.c5
-rw-r--r--arch/mips/include/asm/cpu-features.h4
-rw-r--r--arch/mips/include/asm/cpu.h1
-rw-r--r--arch/mips/include/asm/kvm_host.h2
-rw-r--r--arch/mips/kernel/cpu-probe.c13
-rw-r--r--arch/mips/kernel/setup.c2
-rw-r--r--arch/mips/kernel/topology.c2
-rw-r--r--arch/mips/kernel/traps.c3
-rw-r--r--arch/mips/kvm/mmu.c3
-rw-r--r--arch/mips/kvm/vz.c2
-rw-r--r--arch/mips/pci/pci-xtalk-bridge.c3
13 files changed, 36 insertions, 7 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6fee1a133e9d..a7e40bb1e5bc 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -678,6 +678,7 @@ config SGI_IP27
select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_SMP
select MIPS_L1_CACHE_SHIFT_7
+ select NUMA
help
This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
workstations. To compile a Linux kernel that runs on these, say Y
diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts
index 7a371d9c5a33..eda37fb516f0 100644
--- a/arch/mips/boot/dts/ingenic/qi_lb60.dts
+++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts
@@ -69,7 +69,7 @@
"Speaker", "OUTL",
"Speaker", "OUTR",
"INL", "LOUT",
- "INL", "ROUT";
+ "INR", "ROUT";
simple-audio-card,aux-devs = <&amp>;
diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c
index 1fd85c559700..950e6c6e8629 100644
--- a/arch/mips/cavium-octeon/octeon-usb.c
+++ b/arch/mips/cavium-octeon/octeon-usb.c
@@ -518,6 +518,7 @@ static int __init dwc3_octeon_device_init(void)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
+ put_device(&pdev->dev);
dev_err(&pdev->dev, "No memory resources\n");
return -ENXIO;
}
@@ -529,8 +530,10 @@ static int __init dwc3_octeon_device_init(void)
* know the difference.
*/
base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(base))
+ if (IS_ERR(base)) {
+ put_device(&pdev->dev);
return PTR_ERR(base);
+ }
mutex_lock(&dwc3_octeon_clocks_mutex);
dwc3_octeon_clocks_start(&pdev->dev, (u64)base);
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 724dfddcab92..0b1bc7ed913b 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -568,6 +568,10 @@
# define cpu_has_mac2008_only __opt(MIPS_CPU_MAC_2008_ONLY)
#endif
+#ifndef cpu_has_ftlbparex
+# define cpu_has_ftlbparex __opt(MIPS_CPU_FTLBPAREX)
+#endif
+
#ifdef CONFIG_SMP
/*
* Some systems share FTLB RAMs between threads within a core (siblings in
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 104a509312b3..3a4773714b29 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -425,6 +425,7 @@ enum cpu_type_enum {
#define MIPS_CPU_MM_SYSAD BIT_ULL(58) /* CPU supports write-through SysAD Valid merge */
#define MIPS_CPU_MM_FULL BIT_ULL(59) /* CPU supports write-through full merge */
#define MIPS_CPU_MAC_2008_ONLY BIT_ULL(60) /* CPU Only support MAC2008 Fused multiply-add instruction */
+#define MIPS_CPU_FTLBPAREX BIT_ULL(61) /* CPU has FTLB parity exception */
/*
* CPU ASE encodings
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 363e7a89d173..ef1d25d49ec8 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -981,7 +981,7 @@ enum kvm_mips_fault_result kvm_trap_emul_gva_fault(struct kvm_vcpu *vcpu,
#define KVM_ARCH_WANT_MMU_NOTIFIER
int kvm_unmap_hva_range(struct kvm *kvm,
- unsigned long start, unsigned long end);
+ unsigned long start, unsigned long end, unsigned flags);
int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index def1659fe262..3404011eb7cf 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1827,6 +1827,19 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
default:
break;
}
+
+ /* Recent MIPS cores use the implementation-dependent ExcCode 16 for
+ * cache/FTLB parity exceptions.
+ */
+ switch (__get_cpu_type(c->cputype)) {
+ case CPU_PROAPTIV:
+ case CPU_P5600:
+ case CPU_P6600:
+ case CPU_I6400:
+ case CPU_I6500:
+ c->options |= MIPS_CPU_FTLBPAREX;
+ break;
+ }
}
static inline void cpu_probe_alchemy(struct cpuinfo_mips *c, unsigned int cpu)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 7b537fa2035d..588b21245e00 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -497,7 +497,7 @@ static void __init mips_parse_crashkernel(void)
if (ret != 0 || crash_size <= 0)
return;
- if (!memblock_find_in_range(crash_base, crash_base + crash_size, crash_size, 0)) {
+ if (!memblock_find_in_range(crash_base, crash_base + crash_size, crash_size, 1)) {
pr_warn("Invalid memory region reserved for crash kernel\n");
return;
}
diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c
index cd3e1f82e1a5..08ad6371fbe0 100644
--- a/arch/mips/kernel/topology.c
+++ b/arch/mips/kernel/topology.c
@@ -20,7 +20,7 @@ static int __init topology_init(void)
for_each_present_cpu(i) {
struct cpu *c = &per_cpu(cpu_devices, i);
- c->hotpluggable = 1;
+ c->hotpluggable = !!i;
ret = register_cpu(c, i);
if (ret)
printk(KERN_WARNING "topology_init: register_cpu %d "
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index f655af68176c..e664d8b43e72 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2457,7 +2457,8 @@ void __init trap_init(void)
if (cpu_has_fpu && !cpu_has_nofpuex)
set_except_vector(EXCCODE_FPE, handle_fpe);
- set_except_vector(MIPS_EXCCODE_TLBPAR, handle_ftlb);
+ if (cpu_has_ftlbparex)
+ set_except_vector(MIPS_EXCCODE_TLBPAR, handle_ftlb);
if (cpu_has_rixiex) {
set_except_vector(EXCCODE_TLBRI, tlb_do_page_fault_0);
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 49bd160f4d85..0783ac9b3240 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -518,7 +518,8 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
return 1;
}
-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
+int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
+ unsigned flags)
{
handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
index d9c462c14163..8397e623b926 100644
--- a/arch/mips/kvm/vz.c
+++ b/arch/mips/kvm/vz.c
@@ -29,7 +29,9 @@
#include <linux/kvm_host.h>
#include "interrupt.h"
+#ifdef CONFIG_CPU_LOONGSON64
#include "loongson_regs.h"
+#endif
#include "trace.h"
diff --git a/arch/mips/pci/pci-xtalk-bridge.c b/arch/mips/pci/pci-xtalk-bridge.c
index 5958217861b8..9b3cc775c55e 100644
--- a/arch/mips/pci/pci-xtalk-bridge.c
+++ b/arch/mips/pci/pci-xtalk-bridge.c
@@ -728,6 +728,7 @@ err_free_resource:
pci_free_resource_list(&host->windows);
err_remove_domain:
irq_domain_remove(domain);
+ irq_domain_free_fwnode(fn);
return err;
}
@@ -735,8 +736,10 @@ static int bridge_remove(struct platform_device *pdev)
{
struct pci_bus *bus = platform_get_drvdata(pdev);
struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
+ struct fwnode_handle *fn = bc->domain->fwnode;
irq_domain_remove(bc->domain);
+ irq_domain_free_fwnode(fn);
pci_lock_rescan_remove();
pci_stop_root_bus(bus);
pci_remove_root_bus(bus);