From 506ada89629ec7059b96ecfb0dc7d33ece0103ca Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 4 Sep 2026 17:05:56 -0700 Subject: bpf: mark a NULL kfunc argument precise check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov --- drivers/power/sequencing/Kconfig | 49 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 drivers/power/sequencing/Kconfig (limited to 'drivers/power/sequencing/Kconfig') diff --git a/drivers/power/sequencing/Kconfig b/drivers/power/sequencing/Kconfig new file mode 100644 index 000000000..1c5f5820f --- /dev/null +++ b/drivers/power/sequencing/Kconfig @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: GPL-2.0-only + +menuconfig POWER_SEQUENCING + tristate "Power Sequencing support" + help + Say Y here to enable the Power Sequencing subsystem. + + This subsystem is designed to control power to devices that share + complex resources and/or require specific power sequences to be run + during power-up. + + If unsure, say no. + +if POWER_SEQUENCING + +config POWER_SEQUENCING_QCOM_WCN + tristate "Qualcomm WCN family PMU driver" + default m if ARCH_QCOM + depends on OF || COMPILE_TEST + help + Say Y here to enable the power sequencing driver for Qualcomm + WCN Bluetooth/WLAN chipsets. + + Typically, a package from the Qualcomm WCN family contains the BT + and WLAN modules whose power is controlled by the PMU module. As the + former two share the power-up sequence which is executed by the PMU, + this driver is needed for correct power control or else we'd risk not + respecting the required delays between enabling Bluetooth and WLAN. + +config POWER_SEQUENCING_TH1520_GPU + tristate "T-HEAD TH1520 GPU power sequencing driver" + depends on (ARCH_THEAD && AUXILIARY_BUS) || COMPILE_TEST + help + Say Y here to enable the power sequencing driver for the TH1520 SoC + GPU. This driver handles the complex clock and reset sequence + required to power on the Imagination BXM GPU on this platform. + +config POWER_SEQUENCING_PCIE_M2 + tristate "PCIe M.2 connector power sequencing driver" + depends on OF + depends on PCI + depends on SERIAL_DEV_BUS + select OF_DYNAMIC + help + Say Y here to enable the power sequencing driver for PCIe M.2 + connectors. This driver handles the power sequencing for the M.2 + connectors exposing multiple interfaces like PCIe, SATA, UART, etc... + +endif -- cgit v1.3.1