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Thu, 13 Nov 2025 23:21:53 -0800 (PST) Received: from [127.0.1.1] ([210.176.154.34]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-bc37703a0d9sm3859444a12.31.2025.11.13.23.21.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Nov 2025 23:21:53 -0800 (PST) From: Nick Hu Date: Fri, 14 Nov 2025 15:28:44 +0800 Subject: [PATCH] irqchip/riscv-intc: Fix missing .free callback for freeing local IRQs Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251114-rv-intc-fix-v1-1-a3edd1c1a868@sifive.com> X-B4-Tracking: v=1; b=H4sIACvaFmkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1NDQ0MT3aIy3cy8kmTdtMwKXQvzNJNEC0MgMjZWAuooKEoFCoNNi46trQU AVxlRXV0AAAA= X-Change-ID: 20251114-rv-intc-fix-87f4a81a8133 To: Anup Patel , Thomas Gleixner , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Nick Hu X-Mailer: b4 0.14.2 The irq_domain_free_irqs() helper requires that the irq_domain_ops->free callback be implemented. Otherwise, the kernel reports the warning message "NULL pointer, cannot free irq" when the user calls irq_dispose_mapping() to release the per-HART local IRQs. Set the irq_domain_ops->free to irq_domain_free_irqs_top() to free the IRQs. Signed-off-by: Nick Hu --- drivers/irqchip/irq-riscv-intc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-i= ntc.c index e5805885394ee3892a9a9784a937e234490ba0ea..70290b35b3173eb1fd5eb448f54= 32735210b5444 100644 --- a/drivers/irqchip/irq-riscv-intc.c +++ b/drivers/irqchip/irq-riscv-intc.c @@ -166,7 +166,8 @@ static int riscv_intc_domain_alloc(struct irq_domain *d= omain, static const struct irq_domain_ops riscv_intc_domain_ops =3D { .map =3D riscv_intc_domain_map, .xlate =3D irq_domain_xlate_onecell, - .alloc =3D riscv_intc_domain_alloc + .alloc =3D riscv_intc_domain_alloc, + .free =3D irq_domain_free_irqs_top, }; =20 static struct fwnode_handle *riscv_intc_hwnode(void) --- base-commit: 6da43bbeb6918164f7287269881a5f861ae09d7e change-id: 20251114-rv-intc-fix-87f4a81a8133 Best regards, --=20 Nick Hu