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| From | Shanker Donthineni <shankerd@codeaurora.org> |
| Newsgroups | linux.kernel |
| Subject | [PATCH] irqchip/gic-v3-its: Fix the incorrect BUG_ON in its_init_vpe_domain() |
| Date | Sat, 23 Sep 2017 21:00:02 +0200 |
| Message-ID | <usXOG-6GM-5@gated-at.bofh.it> (permalink) |
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| X-Original-Cc | Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net>, Shanker Donthineni <shankerd@codeaurora.org> |
| X-Original-Date | Sat, 23 Sep 2017 13:50:19 -0500 |
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| Xref | csiph.com linux.kernel:1738057 |
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The driver probe path hits 'BUG_ON(entries != vpe_proxy.dev->nr_ites)' on systems where it has VLPI capability, doesn't support direct LPI feature and boot with a single CPU. Relax the BUG_ON() condition to fix the issue. Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org> --- drivers/irqchip/irq-gic-v3-its.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index e8d8934..e3a59f4 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -2851,7 +2851,7 @@ static int its_init_vpe_domain(void) return -ENOMEM; } - BUG_ON(entries != vpe_proxy.dev->nr_ites); + BUG_ON(entries > vpe_proxy.dev->nr_ites); raw_spin_lock_init(&vpe_proxy.lock); vpe_proxy.next_victim = 0; -- Qualcomm Datacenter Technologies, Inc. on behalf of the Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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[PATCH] irqchip/gic-v3-its: Fix the incorrect BUG_ON in its_init_vpe_domain() Shanker Donthineni <shankerd@codeaurora.org> - 2017-09-23 21:00 +0200
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