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Message-ID: <20250903023319.1820-1-yuzenghui@huawei.com>
Date: Wed, 3 Sep 2025 10:33:19 +0800
From: Zenghui Yu <yuzenghui@...wei.com>
To: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <maz@...nel.org>, <lpieralisi@...nel.org>, <tglx@...utronix.de>,
<wanghaibin.wang@...wei.com>, Zenghui Yu <yuzenghui@...wei.com>
Subject: [PATCH] irqchip/gic-v5: Remove the redundant ITS cache invalidation
An ITS cache invalidation has been performed immediately after programming
the L2 DTE in gicv5_its_device_register(). No need to perform it again
right after a successful gicv5_its_device_register().
Remove it.
Signed-off-by: Zenghui Yu <yuzenghui@...wei.com>
---
drivers/irqchip/irq-gic-v5-its.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/irqchip/irq-gic-v5-its.c b/drivers/irqchip/irq-gic-v5-its.c
index 2fb58d76f521..554485f0be1f 100644
--- a/drivers/irqchip/irq-gic-v5-its.c
+++ b/drivers/irqchip/irq-gic-v5-its.c
@@ -768,8 +768,6 @@ static struct gicv5_its_dev *gicv5_its_alloc_device(struct gicv5_its_chip_data *
goto out_dev_free;
}
- gicv5_its_device_cache_inv(its, its_dev);
-
its_dev->its_node = its;
its_dev->event_map = (unsigned long *)bitmap_zalloc(its_dev->num_events, GFP_KERNEL);
--
2.33.0
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