[PATCH v2 0/3] driver core: Constify the signature of device_show/store_*()
From: Thomas Weißschuh <linux@weissschuh.net>
Date: 2026-09-07 05:45:21
Also in:
driver-core, linux-arm-msm, linux-cxl, linux-edac, linux-perf-users, linuxppc-dev, lkml
Prepare for the constification of 'struct dev_ext_attribute' instances by changing the signature of the standard callback functions. The first two patches prepare some drivers to handle both the const and non-const callback variants. Intended for the driver-core tree. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> --- Changes in v2: - Rebase on v7.3-rc1. - Cover a few more drivers in drivers/perf/. - Link to v1: https://patch.msgid.link/20260714-sysfs-const-attr-dev_ext_attr-v1-0-6b2c0435d621@weissschuh.net --- Thomas Weißschuh (3): x86/mce: Use __DEVICE_ATTR() macro to initialize dev_ext_attribute drivers: perf: Use __DEVICE_ATTR() macro to initialize dev_ext_attribute driver core: Constify the signature of device_show/store_*() arch/powerpc/perf/hv-24x7.c | 2 +- arch/x86/kernel/cpu/mce/core.c | 6 +++--- drivers/base/core.c | 30 ++++++++++++++--------------- drivers/perf/alibaba_uncore_drw_pmu.c | 2 +- drivers/perf/arm-cci.c | 2 +- drivers/perf/arm-ccn.c | 2 +- drivers/perf/arm_cspmu/arm_cspmu.h | 2 +- drivers/perf/arm_dsu_pmu.c | 2 +- drivers/perf/arm_spe_pmu.c | 6 +++--- drivers/perf/cxl_pmu.c | 10 +++++----- drivers/perf/fsl_imx8_ddr_perf.c | 2 +- drivers/perf/fujitsu_uncore_pmu.c | 2 +- drivers/perf/hisilicon/hisi_pcie_pmu.c | 2 +- drivers/perf/hisilicon/hisi_uncore_pmu.h | 6 +++--- drivers/perf/hisilicon/hns3_pmu.c | 6 +++--- drivers/perf/nvidia_t410_c2c_pmu.c | 2 +- drivers/perf/nvidia_t410_cmem_latency_pmu.c | 12 ++++++------ drivers/perf/qcom_l3_pmu.c | 8 ++++---- drivers/perf/starfive_starlink_pmu.c | 2 +- drivers/perf/xgene_pmu.c | 2 +- include/linux/device.h | 14 +++++++------- 21 files changed, 61 insertions(+), 61 deletions(-) --- base-commit: cee9395acd8043be0644b25c34bfa86623f2b935 change-id: 20260712-sysfs-const-attr-dev_ext_attr-dbf669fdfd4e Best regards, -- Thomas Weißschuh [off-list ref]