From 4336b9337824a60a0b10013c622caeee99460db5 Mon Sep 17 00:00:00 2001 From: Oliver O'Halloran Date: Tue, 21 Apr 2020 18:15:39 +1000 Subject: powerpc/pseries: Make vio and ibmebus initcalls pseries specific The vio and ibmebus buses are used for pseries specific paravirtualised devices and currently they're initialised by the generic initcall types. This is mostly fine, but it can result in some nuisance errors in dmesg when booting on PowerNV on some OSes, e.g. [ 2.984439] synth uevent: /devices/vio: failed to send uevent [ 2.984442] vio vio: uevent: failed to send synthetic uevent [ 17.968551] synth uevent: /devices/vio: failed to send uevent [ 17.968554] vio vio: uevent: failed to send synthetic uevent We don't see anything similar for the ibmebus because that depends on !CONFIG_LITTLE_ENDIAN. This patch squashes those by switching to using machine_*_initcall() so the bus type is only registered when the kernel is running on a pseries machine. Signed-off-by: Oliver O'Halloran Reviewed-by: Tyrel Datwyler Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200421081539.7485-1-oohall@gmail.com --- arch/powerpc/platforms/pseries/ibmebus.c | 3 ++- arch/powerpc/platforms/pseries/vio.c | 7 ++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index b91eb0929ed1..a6f101c958e8 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -47,6 +47,7 @@ #include #include #include +#include static struct device ibmebus_bus_device = { /* fake "parent" device */ .init_name = "ibmebus", @@ -464,4 +465,4 @@ static int __init ibmebus_bus_init(void) return 0; } -postcore_initcall(ibmebus_bus_init); +machine_postcore_initcall(pseries, ibmebus_bus_init); diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c index 37f1f25ba804..0487b26f6f1a 100644 --- a/arch/powerpc/platforms/pseries/vio.c +++ b/arch/powerpc/platforms/pseries/vio.c @@ -31,6 +31,7 @@ #include #include #include +#include static struct vio_dev vio_bus_device = { /* fake "parent" device */ .name = "vio", @@ -1513,7 +1514,7 @@ static int __init vio_bus_init(void) return 0; } -postcore_initcall(vio_bus_init); +machine_postcore_initcall(pseries, vio_bus_init); static int __init vio_device_init(void) { @@ -1522,7 +1523,7 @@ static int __init vio_device_init(void) return 0; } -device_initcall(vio_device_init); +machine_device_initcall(pseries, vio_device_init); static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -1703,4 +1704,4 @@ static int __init vio_init(void) dma_debug_add_bus(&vio_bus_type); return 0; } -fs_initcall(vio_init); +machine_fs_initcall(pseries, vio_init); -- cgit v1.2.3