reserve_sdram_region can now involve cache maintenance, so add a debug print beforehand to aid debugging. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- drivers/of/reserved-mem.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/of/reserved-mem.c b/drivers/of/reserved-mem.c index f50a0bd8374d..599a7c968afd 100644 --- a/drivers/of/reserved-mem.c +++ b/drivers/of/reserved-mem.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-only // SPDX-FileCopyrightText: 2021 Rouven Czerwinski <r.czerwinski@xxxxxxxxxxxxxx>, Pengutronix +#define pr_fmt(fmt) "of-reserved-mem: " fmt + #include <stdio.h> #include <of.h> #include <of_address.h> @@ -17,6 +19,8 @@ static void request_region(struct resource *r) if (!resource_contains(bank->res, r)) continue; + pr_debug("reserving %s at %pad-%pad\n", r->name, &r->start, &r->end); + if (!reserve_sdram_region(r->name, r->start, resource_size(r))) pr_warn("couldn't request reserved sdram region %pa-%pa\n", &r->start, &r->end); -- 2.39.2