From patchwork Mon Oct 31 21:10:06 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Moffett X-Patchwork-Id: 122953 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id DEB0DB811D for ; Tue, 1 Nov 2011 08:13:45 +1100 (EST) Received: from border.exmeritus.com (border.exmeritus.com [IPv6:2002:46a7:f11a:ffff::]) by ozlabs.org (Postfix) with ESMTP id 25B5EB70D6 for ; Tue, 1 Nov 2011 08:12:40 +1100 (EST) Received: from ysera.exmeritus.com (firewall2.exmeritus.com [10.13.38.2]) by border.exmeritus.com (Postfix) with ESMTP id E92FDAC077; Mon, 31 Oct 2011 17:12:37 -0400 (EDT) From: Kyle Moffett To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 05/10] powerpc/mpic: Search for open-pic device-tree node if NULL Date: Mon, 31 Oct 2011 17:10:06 -0400 Message-Id: <1320095411-20667-6-git-send-email-Kyle.D.Moffett@boeing.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1320095411-20667-1-git-send-email-Kyle.D.Moffett@boeing.com> References: <1320095411-20667-1-git-send-email-Kyle.D.Moffett@boeing.com> Cc: Milton Miller , Paul Mackerras , Kyle Moffett , Scott Wood , Thomas Gleixner X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Almost all PowerPC platforms use a standard "open-pic" device node so the mpic_alloc() function now accepts NULL for the device-node. This will cause it to perform a default search with of_find_matching_node(). Signed-off-by: Kyle Moffett --- arch/powerpc/platforms/85xx/corenet_ds.c | 10 +--------- arch/powerpc/platforms/85xx/ksi8560.c | 13 ++----------- arch/powerpc/platforms/85xx/mpc8536_ds.c | 13 +------------ arch/powerpc/platforms/85xx/mpc85xx_ads.c | 12 ++---------- arch/powerpc/platforms/85xx/mpc85xx_cds.c | 15 +-------------- arch/powerpc/platforms/85xx/mpc85xx_ds.c | 14 +++----------- arch/powerpc/platforms/85xx/mpc85xx_mds.c | 10 +--------- arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 14 ++------------ arch/powerpc/platforms/85xx/p1022_ds.c | 14 +------------- arch/powerpc/platforms/85xx/sbc8548.c | 16 +--------------- arch/powerpc/platforms/85xx/sbc8560.c | 13 ++----------- arch/powerpc/platforms/85xx/socrates.c | 11 +---------- arch/powerpc/platforms/85xx/stx_gp3.c | 13 ++----------- arch/powerpc/platforms/85xx/tqm85xx.c | 13 ++----------- arch/powerpc/platforms/85xx/xes_mpc85xx.c | 13 +------------ arch/powerpc/platforms/embedded6xx/holly.c | 10 +--------- arch/powerpc/platforms/embedded6xx/linkstation.c | 8 ++------ arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c | 10 +--------- arch/powerpc/platforms/embedded6xx/storcenter.c | 10 +--------- arch/powerpc/sysdev/mpic.c | 19 +++++++++++++++++-- 20 files changed, 45 insertions(+), 206 deletions(-) diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c index 7893ad3..134e1f8 100644 --- a/arch/powerpc/platforms/85xx/corenet_ds.c +++ b/arch/powerpc/platforms/85xx/corenet_ds.c @@ -36,21 +36,13 @@ void __init corenet_ds_pic_init(void) { struct mpic *mpic; - struct device_node *np = NULL; unsigned int flags = MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU; - np = of_find_node_by_type(np, "open-pic"); - - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - if (ppc_md.get_irq == mpic_get_coreint_irq) flags |= MPIC_ENABLE_COREINT; - mpic = mpic_alloc(np, 0, flags, 0, 256, " OpenPIC "); + mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); mpic_init(mpic); diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c index b20c07d..d49dbc4 100644 --- a/arch/powerpc/platforms/85xx/ksi8560.c +++ b/arch/powerpc/platforms/85xx/ksi8560.c @@ -68,24 +68,15 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) static void __init ksi8560_pic_init(void) { struct mpic *mpic; - struct device_node *np; #ifdef CONFIG_CPM2 + struct device_node *np; int irq; #endif - np = of_find_node_by_type(NULL, "open-pic"); - - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); #ifdef CONFIG_CPM2 diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c index 03173ba..2c928f0 100644 --- a/arch/powerpc/platforms/85xx/mpc8536_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c @@ -34,22 +34,11 @@ void __init mpc8536_ds_pic_init(void) { - struct mpic *mpic; - struct device_node *np; - - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index 5cb797b..2b443ba 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -64,23 +64,15 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) static void __init mpc85xx_ads_pic_init(void) { struct mpic *mpic; - struct device_node *np = NULL; #ifdef CONFIG_CPM2 + struct device_node *np = NULL; int irq; #endif - np = of_find_node_by_type(np, "open-pic"); - if (!np) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); #ifdef CONFIG_CPM2 diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 69c1d0a..3a2436b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -187,23 +187,10 @@ static struct irqaction mpc85xxcds_8259_irqaction = { static void __init mpc85xx_cds_pic_init(void) { struct mpic *mpic; - struct device_node *np = NULL; - - np = of_find_node_by_type(np, "open-pic"); - - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - - /* Return the mpic node */ - of_node_put(np); - mpic_init(mpic); } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index b608da7..14fccaf 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -61,27 +61,21 @@ static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc) void __init mpc85xx_ds_pic_init(void) { struct mpic *mpic; - struct device_node *np; #ifdef CONFIG_PPC_I8259 + struct device_node *np; struct device_node *cascade_node = NULL; int cascade_irq; #endif unsigned long root = of_get_flat_dt_root(); - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) { - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); } else { - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, @@ -89,8 +83,6 @@ void __init mpc85xx_ds_pic_init(void) } BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); #ifdef CONFIG_PPC_I8259 diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 982f1a7..7ebd864 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -474,19 +474,11 @@ machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier); static void __init mpc85xx_mds_pic_init(void) { - struct mpic *mpic; - struct device_node *np = NULL; - - np = of_find_node_by_type(NULL, "open-pic"); - if (!np) - return; - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); mpic_init(mpic); mpc85xx_mds_qeic_init(); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index 67bd1d4..9edb2b1 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -43,23 +43,16 @@ void __init mpc85xx_rdb_pic_init(void) { struct mpic *mpic; - struct device_node *np; unsigned long root = of_get_flat_dt_root(); - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) { - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); } else { - mpic = mpic_alloc(np, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, @@ -67,10 +60,7 @@ void __init mpc85xx_rdb_pic_init(void) } BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); - } /* diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index d911aca..4279e83 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -238,24 +238,12 @@ int p1022ds_set_sysfs_monitor_port(int val) void __init p1022_ds_pic_init(void) { - struct mpic *mpic; - struct device_node *np; - - np = of_find_node_by_type(NULL, "open-pic"); - if (!np) { - pr_err("Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); - BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); } diff --git a/arch/powerpc/platforms/85xx/sbc8548.c b/arch/powerpc/platforms/85xx/sbc8548.c index daced7d..1b5597f 100644 --- a/arch/powerpc/platforms/85xx/sbc8548.c +++ b/arch/powerpc/platforms/85xx/sbc8548.c @@ -53,24 +53,10 @@ static int sbc_rev; static void __init sbc8548_pic_init(void) { - struct mpic *mpic; - struct device_node *np = NULL; - - np = of_find_node_by_type(np, "open-pic"); - - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - - /* Return the mpic node */ - of_node_put(np); - mpic_init(mpic); } diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c index bd8b6c9..20e68bb 100644 --- a/arch/powerpc/platforms/85xx/sbc8560.c +++ b/arch/powerpc/platforms/85xx/sbc8560.c @@ -54,24 +54,15 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) static void __init sbc8560_pic_init(void) { - struct mpic *mpic; - struct device_node *np = NULL; #ifdef CONFIG_CPM2 + struct device_node *np = NULL; int irq; #endif - np = of_find_node_by_type(np, "open-pic"); - if (!np) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); #ifdef CONFIG_CPM2 diff --git a/arch/powerpc/platforms/85xx/socrates.c b/arch/powerpc/platforms/85xx/socrates.c index fb4bfd6..a9a45f6 100644 --- a/arch/powerpc/platforms/85xx/socrates.c +++ b/arch/powerpc/platforms/85xx/socrates.c @@ -45,21 +45,12 @@ static void __init socrates_pic_init(void) { - struct mpic *mpic; struct device_node *np; - np = of_find_node_by_type(NULL, "open-pic"); - if (!np) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic"); diff --git a/arch/powerpc/platforms/85xx/stx_gp3.c b/arch/powerpc/platforms/85xx/stx_gp3.c index 78aef45..55e941b 100644 --- a/arch/powerpc/platforms/85xx/stx_gp3.c +++ b/arch/powerpc/platforms/85xx/stx_gp3.c @@ -58,24 +58,15 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) static void __init stx_gp3_pic_init(void) { - struct mpic *mpic; - struct device_node *np; #ifdef CONFIG_CPM2 + struct device_node *np; int irq; #endif - np = of_find_node_by_type(NULL, "open-pic"); - if (!np) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); #ifdef CONFIG_CPM2 diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c index 5775f4c..660769b 100644 --- a/arch/powerpc/platforms/85xx/tqm85xx.c +++ b/arch/powerpc/platforms/85xx/tqm85xx.c @@ -56,24 +56,15 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) static void __init tqm85xx_pic_init(void) { - struct mpic *mpic; - struct device_node *np; #ifdef CONFIG_CPM2 + struct device_node *np; int irq; #endif - np = of_find_node_by_type(NULL, "open-pic"); - if (!np) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); #ifdef CONFIG_CPM2 diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c index fccf9aa..09b8ba0 100644 --- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c +++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c @@ -41,22 +41,11 @@ void __init xes_mpc85xx_pic_init(void) { - struct mpic *mpic; - struct device_node *np; - - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) { - printk(KERN_ERR "Could not find open-pic node\n"); - return; - } - - mpic = mpic_alloc(np, 0, + struct mpic *mpic = mpic_alloc(np, 0, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - of_node_put(np); - mpic_init(mpic); } diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c index 80b2e2a..edfc84f 100644 --- a/arch/powerpc/platforms/embedded6xx/holly.c +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -147,20 +147,13 @@ static void __init holly_setup_arch(void) static void __init holly_init_IRQ(void) { struct mpic *mpic; - struct device_node *tsi_pic; #ifdef CONFIG_PCI unsigned int cascade_pci_irq; struct device_node *tsi_pci; struct device_node *cascade_node = NULL; #endif - tsi_pic = of_find_node_by_type(NULL, "open-pic"); - if (!tsi_pic) { - printk(KERN_ERR "%s: No tsi108 PIC found !\n", __func__); - return; - } - - mpic = mpic_alloc(tsi_pic, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET | MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108, 24, @@ -194,7 +187,6 @@ static void __init holly_init_IRQ(void) #endif /* Configure MPIC outputs to CPU0 */ tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); - of_node_put(tsi_pic); } void holly_show_cpuinfo(struct seq_file *m) diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c index 72b3685..502ff60 100644 --- a/arch/powerpc/platforms/embedded6xx/linkstation.c +++ b/arch/powerpc/platforms/embedded6xx/linkstation.c @@ -81,13 +81,9 @@ static void __init linkstation_setup_arch(void) static void __init linkstation_init_IRQ(void) { struct mpic *mpic; - struct device_node *dnp; - dnp = of_find_node_by_type(NULL, "open-pic"); - if (dnp == NULL) - return; - - mpic = mpic_alloc(dnp, 0, MPIC_PRIMARY | MPIC_WANTS_RESET, 4, 32, " EPIC "); + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET, + 4, 32, " EPIC "); BUG_ON(mpic == NULL); /* PCI IRQs */ diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index 28082f9..1dd976e 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -101,20 +101,13 @@ static void __init mpc7448_hpc2_setup_arch(void) static void __init mpc7448_hpc2_init_IRQ(void) { struct mpic *mpic; - struct device_node *tsi_pic; #ifdef CONFIG_PCI unsigned int cascade_pci_irq; struct device_node *tsi_pci; struct device_node *cascade_node = NULL; #endif - tsi_pic = of_find_node_by_type(NULL, "open-pic"); - if (!tsi_pic) { - printk("%s: No tsi108 PIC found !\n", __func__); - return; - } - - mpic = mpic_alloc(tsi_pic, 0, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET | MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108, 24, @@ -148,7 +141,6 @@ static void __init mpc7448_hpc2_init_IRQ(void) #endif /* Configure MPIC outputs to CPU0 */ tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); - of_node_put(tsi_pic); } void mpc7448_hpc2_show_cpuinfo(struct seq_file *m) diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c index 797870f..a233d91 100644 --- a/arch/powerpc/platforms/embedded6xx/storcenter.c +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -83,17 +83,9 @@ static void __init storcenter_setup_arch(void) static void __init storcenter_init_IRQ(void) { struct mpic *mpic; - struct device_node *dnp; - dnp = of_find_node_by_type(NULL, "open-pic"); - if (dnp == NULL) - return; - - mpic = mpic_alloc(dnp, 0, MPIC_PRIMARY | MPIC_WANTS_RESET, + mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET, 16, 32, " OpenPIC "); - - of_node_put(dnp); - BUG_ON(mpic == NULL); /* diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0ad7bf2..548ca16 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1145,8 +1145,23 @@ struct mpic * __init mpic_alloc(struct device_node *node, const char *vers; const u32 *psrc; - /* This code assumes that a non-NULL device node is passed in */ - BUG_ON(!node); + /* Default MPIC search parameters */ + static const struct of_device_id __initconst mpic_device_id[] = { + { .type = "open-pic", }, + { .compatible = "open-pic", }, + {}, + }; + + /* + * If we were not passed a device-tree node, then perform the default + * search for standardized a standardized OpenPIC. + */ + if (!node) + node = of_find_matching_node(NULL, mpic_device_id); + + /* Make sure we got *something* */ + if (!node) + return NULL; /* Pick the physical address from the device tree if unspecified */ if (!phys_addr) {