[PATCH 2/2] firmware: ti_sci: Use the non-atomic bitmap API when applicable

From: Christophe JAILLET
Date: Fri Jul 08 2022 - 15:24:18 EST


Usages of the 'res_map' bitmap is protected with a spinlock, so non-atomic
functions can be used to set/clear bits.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/firmware/ti_sci.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
index 522be2b75ce1..49677533f376 100644
--- a/drivers/firmware/ti_sci.c
+++ b/drivers/firmware/ti_sci.c
@@ -3096,7 +3096,7 @@ u16 ti_sci_get_free_resource(struct ti_sci_resource *res)

free_bit = find_first_zero_bit(desc->res_map, res_count);
if (free_bit != res_count) {
- set_bit(free_bit, desc->res_map);
+ __set_bit(free_bit, desc->res_map);
raw_spin_unlock_irqrestore(&res->lock, flags);

if (desc->num && free_bit < desc->num)
@@ -3127,10 +3127,10 @@ void ti_sci_release_resource(struct ti_sci_resource *res, u16 id)

if (desc->num && desc->start <= id &&
(desc->start + desc->num) > id)
- clear_bit(id - desc->start, desc->res_map);
+ __clear_bit(id - desc->start, desc->res_map);
else if (desc->num_sec && desc->start_sec <= id &&
(desc->start_sec + desc->num_sec) > id)
- clear_bit(id - desc->start_sec, desc->res_map);
+ __clear_bit(id - desc->start_sec, desc->res_map);
}
raw_spin_unlock_irqrestore(&res->lock, flags);
}
--
2.34.1