lkml.org 
[lkml]   [2019]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] irqchip/gic: fix passing wrong start irq number to irq_alloc_descs() for secondary GICs
Date
For secondary GICs, the start irq number should skip over SGIs
and PPIs. Its value should be 32. So we should pass hwirq_base to
irq_alloc_descs() rather than a constant number 16.

Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
---
drivers/irqchip/irq-gic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index ba2a37a..351f576 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -1157,7 +1157,7 @@ static int gic_init_bases(struct gic_chip_data *gic, int irq_start,

gic_irqs -= hwirq_base; /* calculate # of irqs to allocate */

- irq_base = irq_alloc_descs(irq_start, 16, gic_irqs,
+ irq_base = irq_alloc_descs(irq_start, hwirq_base, gic_irqs,
numa_node_id());
if (irq_base < 0) {
WARN(1, "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated\n",
--
1.9.1
\
 
 \ /
  Last update: 2019-03-11 15:52    [W:0.517 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site