From patchwork Tue Jan 30 08:27:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibo Mao X-Patchwork-Id: 13536982 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 666F457888; Tue, 30 Jan 2024 08:27:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706603251; cv=none; b=c9jyHQi+FO6okyNzfjnjcmPMaH2Twf7ZUM2pHfj18DsqRaNqMjxm86Vz8lDfc5sn98o9DC2xzaXy65/ZfVsiL4y+yEScjisZd8nDq3bR/3iKWmNZVYo2mRVimNkU4hEkJRWctRjci2vId2A3NJx0tC+jyjceXZCQUmhCwB4iwt8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706603251; c=relaxed/simple; bh=OgP6r3a1KKrgPdfFzExpHkDCOOW2lLyqkMn9g951K7g=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=LB9FyRMKNVFIjX1pL6ilQK1HzdskmRam3yRxZFboN9eRsCNHesndFWWya5YxUG0sio26K+CgtMPKv7VPA5YbJYxT5bDeH5AcxbDRMa5CMDwHVvwGRRjuMs0juKNZNSd4ZVQC8c2Xoozl6J+DJIl53WnsFNoZKyJ10SNLQWkzUG4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8AxjuvwsrhlckEIAA--.25147S3; Tue, 30 Jan 2024 16:27:28 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxHs_qsrhl4KcnAA--.23872S5; Tue, 30 Jan 2024 16:27:26 +0800 (CST) From: Bibo Mao To: Huacai Chen , Jiaxun Yang , Thomas Gleixner Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Shtylyov , lvjianmin@loongson.cn Subject: [PATCH v5 3/3] irqchip/loongson-eiointc: Refine irq affinity setting during resume Date: Tue, 30 Jan 2024 16:27:22 +0800 Message-Id: <20240130082722.2912576-4-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240130082722.2912576-1-maobibo@loongson.cn> References: <20240130082722.2912576-1-maobibo@loongson.cn> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxHs_qsrhl4KcnAA--.23872S5 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoW7tFW8Ar1rZr4DWry3Ar1rZrc_yoW8Xr4rpF W3A3ZFvr15GFyUXr9Yk3Wjq34ay39Y93y2qay3Wa93ZFs8Wa1DKF4FyFykZFW0k342yF1q 9F4Yq34ru3W5C3XCm3ZEXasCq-sJn29KB7ZKAUJUUUU7529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUU92b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07 AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWU tVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7V AKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMxCIbckI1I0E14v2 6r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r4j6ryUMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIx AIcVC2z280aVAFwI0_Cr0_Gr1UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVF xhVjvjDU0xZFpf9x07jz2NtUUUUU= During suspend and resume, CPUs except CPU0 can be hot-unpluged and IRQs will be migrated to CPU0. So it is not necessary to restore irq affinity for eiointc irq controller when system resumes. This patch removes this piece of code about irq affinity restoring in function eiointc_resume(). Signed-off-by: Bibo Mao --- drivers/irqchip/irq-loongson-eiointc.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index 6a71a8c29ac7..b64cbe3052e8 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -310,23 +310,7 @@ static int eiointc_suspend(void) static void eiointc_resume(void) { - int i, j; - struct irq_desc *desc; - struct irq_data *irq_data; - eiointc_router_init(0); - - for (i = 0; i < nr_pics; i++) { - for (j = 0; j < eiointc_priv[0]->vec_count; j++) { - desc = irq_resolve_mapping(eiointc_priv[i]->eiointc_domain, j); - if (desc && desc->handle_irq && desc->handle_irq != handle_bad_irq) { - raw_spin_lock(&desc->lock); - irq_data = irq_domain_get_irq_data(eiointc_priv[i]->eiointc_domain, irq_desc_get_irq(desc)); - eiointc_set_irq_affinity(irq_data, irq_data->common->affinity, 0); - raw_spin_unlock(&desc->lock); - } - } - } } static struct syscore_ops eiointc_syscore_ops = {