Re: [PATCH 03/12] i3c: master: Use unified device property interface
From: Rob Herring <robh@kernel.org>
Date: 2026-03-26 15:18:51
Also in:
linux-acpi, linux-hwmon, linux-i3c, linux-tegra, lkml
On Wed, Mar 18, 2026 at 10:57:16PM +0530, Akhil R wrote:
quoted hunk ↗ jump to hunk
Replace all OF-specific functions with unified device property functions as a prerequisite to support both ACPI and device tree. Signed-off-by: Akhil R <akhilrajeev@nvidia.com> --- drivers/i3c/master.c | 91 ++++++++++++++++++++++---------------- include/linux/i3c/master.h | 5 ++- 2 files changed, 55 insertions(+), 41 deletions(-)diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index c32847bc4d0d..2c479fecbfdf 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c
[...]
quoted hunk ↗ jump to hunk
@@ -3300,11 +3310,14 @@ static int __init i3c_init(void) { int res; - res = of_alias_get_highest_id("i3c"); - if (res >= 0) { - mutex_lock(&i3c_core_lock); - __i3c_first_dynamic_bus_num = res + 1; - mutex_unlock(&i3c_core_lock); + /* of_alias_get_highest_id is DT-specific, only call for DT systems */ + if (IS_ENABLED(CONFIG_OF)) {
BTW, CONFIG_OF is *always* enabled on arm64.
+ res = of_alias_get_highest_id("i3c");This will just return an error if not booting with DT or if CONFIG_OF is disabled.
+ if (res >= 0) {
+ mutex_lock(&i3c_core_lock);
+ __i3c_first_dynamic_bus_num = res + 1;
+ mutex_unlock(&i3c_core_lock);
+ }
}
res = bus_register_notifier(&i2c_bus_type, &i2cdev_notifier);