Message ID | 20190212125246.69239-3-anup@brainfault.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Tue, 12 Feb 2019 04:53:09 -0800 (PST) From: Anup Patel <anup@brainfault.org> To: Palmer Dabbelt <palmer@sifive.com>, Albert Ou <aou@eecs.berkeley.edu>, Daniel Lezcano <daniel.lezcano@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net>, Marc Zyngier <marc.zyngier@arm.com> Subject: [PATCH v6 2/4] irqchip: sifive-plic: Add warning in plic_init() if handler already present Date: Tue, 12 Feb 2019 18:22:44 +0530 Message-Id: <20190212125246.69239-3-anup@brainfault.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190212125246.69239-1-anup@brainfault.org> References: <20190212125246.69239-1-anup@brainfault.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190212_045311_125232_8151EBD0 X-CRM114-Status: GOOD ( 12.74 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-riscv.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-riscv>, <mailto:linux-riscv-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-riscv/> List-Post: <mailto:linux-riscv@lists.infradead.org> List-Help: <mailto:linux-riscv-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-riscv>, <mailto:linux-riscv-request@lists.infradead.org?subject=subscribe> Cc: Christoph Hellwig <hch@infradead.org>, Atish Patra <atish.patra@wdc.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel <anup@brainfault.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" <linux-riscv-bounces@lists.infradead.org> Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
IRQ affinity support in PLIC driver
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expand
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diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index c23a293a2aae..da09f46fad64 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -229,6 +229,11 @@ static int __init plic_init(struct device_node *node, cpu = riscv_hartid_to_cpuid(hartid); handler = per_cpu_ptr(&plic_handlers, cpu); + if (handler->present) { + pr_warn("handler already present for context %d.\n", i); + continue; + } + handler->present = true; handler->hart_base = plic_regs + CONTEXT_BASE + i * CONTEXT_PER_HART;