From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B5F96FBEA for ; Mon, 15 May 2023 17:10:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D74BC433EF; Mon, 15 May 2023 17:10:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684170632; bh=K/Uc1Qew+EOtzMn7u7OausJfPLAxBJk5Q0SumE7KAUc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ktNjLYC+wRZy4/hKdYmLWScrRc9UbZ+mIyiEskaLotRGNUvw9VIkYXzmLP67Afj6E hGb3hSsausuL3q+NHMPSLvZs88Uw5myuHBaC0Xy1X/izL8CePhxwqR6ZR83UhlE1v9 qA99BIPi0kMBfUm1OnkeFcgnZ29j8RtlYeVzmzqI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Huacai Chen , Marc Zyngier , Sasha Levin Subject: [PATCH 6.1 193/239] irqchip/loongarch: Adjust acpi_cascade_irqdomain_init() and sub-routines Date: Mon, 15 May 2023 18:27:36 +0200 Message-Id: <20230515161727.526955078@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.545370111@linuxfoundation.org> References: <20230515161721.545370111@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Huacai Chen [ Upstream commit 3d12938dbc048ecb193fec69898d95f6b4813a4b ] 1, Adjust the return of acpi_cascade_irqdomain_init() and check its return value. 2, Combine unnecessary short lines to one long line. Signed-off-by: Huacai Chen Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20221020142514.1725514-1-chenhuacai@loongson.cn Stable-dep-of: 64cc451e45e1 ("irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent") Signed-off-by: Sasha Levin --- drivers/irqchip/irq-loongarch-cpu.c | 30 +++++++++++++++----------- drivers/irqchip/irq-loongson-eiointc.c | 30 +++++++++++++++----------- drivers/irqchip/irq-loongson-pch-pic.c | 15 +++++++------ 3 files changed, 44 insertions(+), 31 deletions(-) diff --git a/drivers/irqchip/irq-loongarch-cpu.c b/drivers/irqchip/irq-loongarch-cpu.c index 741612ba6a520..fdec3e9cfacfb 100644 --- a/drivers/irqchip/irq-loongarch-cpu.c +++ b/drivers/irqchip/irq-loongarch-cpu.c @@ -92,18 +92,16 @@ static const struct irq_domain_ops loongarch_cpu_intc_irq_domain_ops = { .xlate = irq_domain_xlate_onecell, }; -static int __init -liointc_parse_madt(union acpi_subtable_headers *header, - const unsigned long end) +static int __init liointc_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) { struct acpi_madt_lio_pic *liointc_entry = (struct acpi_madt_lio_pic *)header; return liointc_acpi_init(irq_domain, liointc_entry); } -static int __init -eiointc_parse_madt(union acpi_subtable_headers *header, - const unsigned long end) +static int __init eiointc_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) { struct acpi_madt_eio_pic *eiointc_entry = (struct acpi_madt_eio_pic *)header; @@ -112,16 +110,24 @@ eiointc_parse_madt(union acpi_subtable_headers *header, static int __init acpi_cascade_irqdomain_init(void) { - acpi_table_parse_madt(ACPI_MADT_TYPE_LIO_PIC, - liointc_parse_madt, 0); - acpi_table_parse_madt(ACPI_MADT_TYPE_EIO_PIC, - eiointc_parse_madt, 0); + int r; + + r = acpi_table_parse_madt(ACPI_MADT_TYPE_LIO_PIC, liointc_parse_madt, 0); + if (r < 0) + return r; + + r = acpi_table_parse_madt(ACPI_MADT_TYPE_EIO_PIC, eiointc_parse_madt, 0); + if (r < 0) + return r; + return 0; } static int __init cpuintc_acpi_init(union acpi_subtable_headers *header, const unsigned long end) { + int ret; + if (irq_domain) return 0; @@ -139,9 +145,9 @@ static int __init cpuintc_acpi_init(union acpi_subtable_headers *header, set_handle_irq(&handle_cpu_irq); acpi_set_irq_model(ACPI_IRQ_MODEL_LPIC, lpic_get_gsi_domain_id); acpi_set_gsi_to_irq_fallback(lpic_gsi_to_irq); - acpi_cascade_irqdomain_init(); + ret = acpi_cascade_irqdomain_init(); - return 0; + return ret; } IRQCHIP_ACPI_DECLARE(cpuintc_v1, ACPI_MADT_TYPE_CORE_PIC, diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index ab49cd15699f4..7e601a5f7d9f8 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -301,9 +301,8 @@ static struct irq_domain *acpi_get_vec_parent(int node, struct acpi_vector_group return NULL; } -static int __init -pch_pic_parse_madt(union acpi_subtable_headers *header, - const unsigned long end) +static int __init pch_pic_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) { struct acpi_madt_bio_pic *pchpic_entry = (struct acpi_madt_bio_pic *)header; unsigned int node = (pchpic_entry->address >> 44) & 0xf; @@ -315,9 +314,8 @@ pch_pic_parse_madt(union acpi_subtable_headers *header, return 0; } -static int __init -pch_msi_parse_madt(union acpi_subtable_headers *header, - const unsigned long end) +static int __init pch_msi_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) { struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header; struct irq_domain *parent = acpi_get_vec_parent(eiointc_priv[nr_pics - 1]->node, msi_group); @@ -330,17 +328,23 @@ pch_msi_parse_madt(union acpi_subtable_headers *header, static int __init acpi_cascade_irqdomain_init(void) { - acpi_table_parse_madt(ACPI_MADT_TYPE_BIO_PIC, - pch_pic_parse_madt, 0); - acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, - pch_msi_parse_madt, 1); + int r; + + r = acpi_table_parse_madt(ACPI_MADT_TYPE_BIO_PIC, pch_pic_parse_madt, 0); + if (r < 0) + return r; + + r = acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, pch_msi_parse_madt, 1); + if (r < 0) + return r; + return 0; } int __init eiointc_acpi_init(struct irq_domain *parent, struct acpi_madt_eio_pic *acpi_eiointc) { - int i, parent_irq; + int i, ret, parent_irq; unsigned long node_map; struct eiointc_priv *priv; @@ -386,9 +390,9 @@ int __init eiointc_acpi_init(struct irq_domain *parent, acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, pch_group); acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, msi_group); - acpi_cascade_irqdomain_init(); + ret = acpi_cascade_irqdomain_init(); - return 0; + return ret; out_free_handle: irq_domain_free_fwnode(priv->domain_handle); diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c index 9d2250e277581..679e2b68e6e9d 100644 --- a/drivers/irqchip/irq-loongson-pch-pic.c +++ b/drivers/irqchip/irq-loongson-pch-pic.c @@ -328,9 +328,8 @@ int find_pch_pic(u32 gsi) return -1; } -static int __init -pch_lpc_parse_madt(union acpi_subtable_headers *header, - const unsigned long end) +static int __init pch_lpc_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) { struct acpi_madt_lpc_pic *pchlpc_entry = (struct acpi_madt_lpc_pic *)header; @@ -339,8 +338,12 @@ pch_lpc_parse_madt(union acpi_subtable_headers *header, static int __init acpi_cascade_irqdomain_init(void) { - acpi_table_parse_madt(ACPI_MADT_TYPE_LPC_PIC, - pch_lpc_parse_madt, 0); + int r; + + r = acpi_table_parse_madt(ACPI_MADT_TYPE_LPC_PIC, pch_lpc_parse_madt, 0); + if (r < 0) + return r; + return 0; } @@ -370,7 +373,7 @@ int __init pch_pic_acpi_init(struct irq_domain *parent, } if (acpi_pchpic->id == 0) - acpi_cascade_irqdomain_init(); + ret = acpi_cascade_irqdomain_init(); return ret; } -- 2.39.2