From: Hanjun Guo guohanjun@huawei.com
hulk inclusion category: feature bugzilla: NA CVE: NA
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Update the code to using MIDR_PHYTIUM_FT2000PLUS, instead of ARM_CPU_IMP_PHYTIUM, which will distinguish FTC662 and FTC663.
Signed-off-by: Hanjun Guo guohanjun@huawei.com Cc: Guo Hui guohui@uniontech.com Cc: Cheng Jian cj.chengjian@huawei.com Cc: Zhen Lei thunder.leizhen@huawei.com Cc: Xiuqi Xie xiexiuqi@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- arch/arm64/kernel/topology.c | 6 +++--- drivers/usb/host/xhci-pci.c | 4 +++- 2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 4c22fe0cd3c6..02d3e688d657 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -290,10 +290,10 @@ void store_cpu_topology(unsigned int cpuid) cpuid_topo->core_id = cpuid; cpuid_topo->package_id = cpu_to_node(cpuid);
- if (!(mpidr & MPIDR_MT_BITMASK) && - read_cpuid_implementor() == ARM_CPU_IMP_PHYTIUM) { + /* Some PHYTIUM FT2000PLUS platform firmware has no PPTT table */ + if ((read_cpuid_id() & MIDR_CPU_MODEL_MASK) == MIDR_PHYTIUM_FT2000PLUS + && cpu_to_node(cpuid) == NUMA_NO_NODE) { cpuid_topo->thread_id = 0; - cpuid_topo->core_id = cpuid; cpuid_topo->package_id = 0; }
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 164f4d6350fe..886cd6fc4b64 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -310,8 +310,10 @@ static int xhci_pci_setup(struct usb_hcd *hcd) #include <asm/cputype.h> static void phytium_xhci_pci_workaround(struct pci_dev *dev) { + u32 midr = read_cpuid_id(); + /* Firmware bug, DMA mask is not reported by the firmware */ - if (read_cpuid_implementor() == ARM_CPU_IMP_PHYTIUM) + if ((midr & MIDR_CPU_MODEL_MASK) == MIDR_PHYTIUM_FT2000PLUS) dma_set_mask(&dev->dev, DMA_BIT_MASK(64)); } #else