Commit 2c6b0218 authored by Juergen Gross's avatar Juergen Gross Committed by Thomas Gleixner
Browse files

irq: Simplify condition in irq_matrix_reserve() 



The if condition in irq_matrix_reserve() can be much simpler.

While at it fix a typo in the comment.

Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210211070953.5914-1-jgross@suse.com
parent ba9e6cab

kernel/irq/matrix.c

+2 −3
Original line number Diff line number Diff line
@@ -337,15 +337,14 @@ void irq_matrix_assign(struct irq_matrix *m, unsigned int bit) 
 * irq_matrix_reserve - Reserve interrupts

 * @m:		Matrix pointer

 *

 * This is merily a book keeping call. It increments the number of globally

 * This is merely a book keeping call. It increments the number of globally

 * reserved interrupt bits w/o actually allocating them. This allows to

 * setup interrupt descriptors w/o assigning low level resources to it.

 * The actual allocation happens when the interrupt gets activated.

 */

void irq_matrix_reserve(struct irq_matrix *m)

{

	if (m->global_reserved <= m->global_available &&

	    m->global_reserved + 1 > m->global_available)

	if (m->global_reserved == m->global_available)

		pr_warn("Interrupt reservation exceeds available resources\n");



	m->global_reserved++;