diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/bus/arm-ccn.c | 5 | ||||
| -rw-r--r-- | drivers/bus/mips_cdmm.c | 14 | ||||
| -rw-r--r-- | drivers/bus/vexpress-config.c | 2 |
4 files changed, 17 insertions, 5 deletions
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index 1a82f3a17..0ebca8ba7 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -36,7 +36,6 @@ config ARM_CCI400_PORT_CTRL config ARM_CCI500_PMU bool "ARM CCI500 PMU support" - default y depends on (ARM && CPU_V7) || ARM64 depends on PERF_EVENTS select ARM_CCI_PMU diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index 7d9879e16..7082c7268 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -1184,11 +1184,12 @@ static int arm_ccn_pmu_cpu_notifier(struct notifier_block *nb, if (!cpumask_test_and_clear_cpu(cpu, &dt->cpu)) break; target = cpumask_any_but(cpu_online_mask, cpu); - if (target < 0) + if (target >= nr_cpu_ids) break; perf_pmu_migrate_context(&dt->pmu, cpu, target); cpumask_set_cpu(target, &dt->cpu); - WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0); + if (ccn->irq) + WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0); default: break; } diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c index ab3bde16e..1c543effe 100644 --- a/drivers/bus/mips_cdmm.c +++ b/drivers/bus/mips_cdmm.c @@ -332,6 +332,18 @@ static phys_addr_t mips_cdmm_cur_base(void) } /** + * mips_cdmm_phys_base() - Choose a physical base address for CDMM region. + * + * Picking a suitable physical address at which to map the CDMM region is + * platform specific, so this weak function can be overridden by platform + * code to pick a suitable value if none is configured by the bootloader. + */ +phys_addr_t __weak mips_cdmm_phys_base(void) +{ + return 0; +} + +/** * mips_cdmm_setup() - Ensure the CDMM bus is initialised and usable. * @bus: Pointer to bus information for current CPU. * IS_ERR(bus) is checked, so no need for caller to check. @@ -368,7 +380,7 @@ static int mips_cdmm_setup(struct mips_cdmm_bus *bus) if (!bus->phys) bus->phys = mips_cdmm_cur_base(); /* Otherwise, ask platform code for suggestions */ - if (!bus->phys && mips_cdmm_phys_base) + if (!bus->phys) bus->phys = mips_cdmm_phys_base(); /* Otherwise, copy what other CPUs have done */ if (!bus->phys) diff --git a/drivers/bus/vexpress-config.c b/drivers/bus/vexpress-config.c index a64763b6b..6575c0fe6 100644 --- a/drivers/bus/vexpress-config.c +++ b/drivers/bus/vexpress-config.c @@ -107,7 +107,7 @@ struct regmap *devm_regmap_init_vexpress_config(struct device *dev) if (!res) return ERR_PTR(-ENOMEM); - regmap = bridge->ops->regmap_init(dev, bridge->context); + regmap = (bridge->ops->regmap_init)(dev, bridge->context); if (IS_ERR(regmap)) { devres_free(res); return regmap; |