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.

Juergen Gross committed 5 years ago

Commit 2c6b0211 parent ba9e6ca1 file · +2 −3Browse files

Unified · Split

kernel/irq/matrix.c+2−3

@@ -337,15 +337,14 @@ void irq_matrix_assign(struct irq_matrix *m, unsigned int bit) · 336 unmodified lines
337	337	* irq_matrix_reserve - Reserve interrupts
338	338	* @m: Matrix pointer
339	339	*
340		− * This is merily a book keeping call. It increments the number of globally
	340	+ * This is merely a book keeping call. It increments the number of globally
341	341	* reserved interrupt bits w/o actually allocating them. This allows to
342	342	* setup interrupt descriptors w/o assigning low level resources to it.
343	343	* The actual allocation happens when the interrupt gets activated.
344	344	*/
345	345	void irq_matrix_reserve(struct irq_matrix *m)
346	346	{
347		− if (m->global_reserved <= m->global_available &&
348		− m->global_reserved + 1 > m->global_available)
	347	+ if (m->global_reserved == m->global_available)
349	348	pr_warn("Interrupt reservation exceeds available resources\n");
350	349
351	350	m->global_reserved++;