Commit 4dc38832 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Nishanth Menon
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firmware: ti_sci: Use the non-atomic bitmap API when applicable 



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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarNishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/fb7edc555b6fa7c74707f13e422196693a834bc8.1657308216.git.christophe.jaillet@wanadoo.fr
parent 2f9b0402

drivers/firmware/ti_sci.c

+3 −3
Original line number Diff line number Diff line
@@ -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);

}