diff options
author | Zhao Qiang <qiang.zhao@nxp.com> | 2017-03-14 02:40:38 (GMT) |
---|---|---|
committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-09-25 07:25:38 (GMT) |
commit | 9c38469bb0e96af5106e3dd0f85f895e24198dfb (patch) | |
tree | b945aa2f29cbf3acd6a4efa2745b5547a4034f39 | |
parent | 40a0a5b1d88e434243e7a50fab705e97c37f3d81 (diff) | |
download | linux-9c38469bb0e96af5106e3dd0f85f895e24198dfb.tar.xz |
irqchip/qeic: merge qeic_of_init into qe_ic_init
qeic_of_init just get device_node of qeic from dtb and call qe_ic_init,
pass the device_node to qe_ic_init.
So merge qeic_of_init into qe_ic_init to get the qeic node in
qe_ic_init.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
-rw-r--r-- | drivers/irqchip/irq-qeic.c | 89 | ||||
-rw-r--r-- | include/soc/fsl/qe/qe_ic.h | 7 |
2 files changed, 39 insertions, 57 deletions
diff --git a/drivers/irqchip/irq-qeic.c b/drivers/irqchip/irq-qeic.c index 346a7ee..fe424bf 100644 --- a/drivers/irqchip/irq-qeic.c +++ b/drivers/irqchip/irq-qeic.c @@ -406,27 +406,33 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic) return irq_linear_revmap(qe_ic->irqhost, irq); } -void __init qe_ic_init(struct device_node *node, unsigned int flags, - void (*low_handler)(struct irq_desc *desc), - void (*high_handler)(struct irq_desc *desc)) +static int __init qe_ic_init(struct device_node *node, unsigned int flags) { struct qe_ic *qe_ic; struct resource res; - u32 temp = 0, ret, high_active = 0; + u32 temp = 0, high_active = 0; + int ret = 0; + + if (!node) + return -ENODEV; ret = of_address_to_resource(node, 0, &res); - if (ret) - return; + if (ret) { + ret = -ENODEV; + goto err_put_node; + } qe_ic = kzalloc(sizeof(*qe_ic), GFP_KERNEL); - if (qe_ic == NULL) - return; + if (qe_ic == NULL) { + ret = -ENOMEM; + goto err_put_node; + } qe_ic->irqhost = irq_domain_add_linear(node, NR_QE_IC_INTS, &qe_ic_host_ops, qe_ic); if (qe_ic->irqhost == NULL) { - kfree(qe_ic); - return; + ret = -ENOMEM; + goto err_free_qe_ic; } qe_ic->regs = ioremap(res.start, resource_size(&res)); @@ -437,9 +443,9 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags, qe_ic->virq_low = irq_of_parse_and_map(node, 1); if (qe_ic->virq_low == NO_IRQ) { - printk(KERN_ERR "Failed to map QE_IC low IRQ\n"); - kfree(qe_ic); - return; + pr_err("Failed to map QE_IC low IRQ\n"); + ret = -ENOMEM; + goto err_domain_remove; } /* default priority scheme is grouped. If spread mode is */ @@ -466,13 +472,24 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags, qe_ic_write(qe_ic->regs, QEIC_CICR, temp); irq_set_handler_data(qe_ic->virq_low, qe_ic); - irq_set_chained_handler(qe_ic->virq_low, low_handler); + irq_set_chained_handler(qe_ic->virq_low, qe_ic_cascade_low_mpic); if (qe_ic->virq_high != NO_IRQ && qe_ic->virq_high != qe_ic->virq_low) { irq_set_handler_data(qe_ic->virq_high, qe_ic); - irq_set_chained_handler(qe_ic->virq_high, high_handler); + irq_set_chained_handler(qe_ic->virq_high, + qe_ic_cascade_high_mpic); } + of_node_put(node); + return 0; + +err_domain_remove: + irq_domain_remove(qe_ic->irqhost); +err_free_qe_ic: + kfree(qe_ic); +err_put_node: + of_node_put(node); + return ret; } void qe_ic_set_highest_priority(unsigned int virq, int high) @@ -569,44 +586,16 @@ int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high) return 0; } -static struct bus_type qe_ic_subsys = { - .name = "qe_ic", - .dev_name = "qe_ic", -}; - -static struct device device_qe_ic = { - .id = 0, - .bus = &qe_ic_subsys, -}; - -static int __init init_qe_ic_sysfs(void) +static int __init init_qe_ic(struct device_node *node, + struct device_node *parent) { - int rc; + int ret; - printk(KERN_DEBUG "Registering qe_ic with sysfs...\n"); + ret = qe_ic_init(node, 0); + if (ret) + return ret; - rc = subsys_system_register(&qe_ic_subsys, NULL); - if (rc) { - printk(KERN_ERR "Failed registering qe_ic sys class\n"); - return -ENODEV; - } - rc = device_register(&device_qe_ic); - if (rc) { - printk(KERN_ERR "Failed registering qe_ic sys device\n"); - return -ENODEV; - } return 0; } -static int __init qeic_of_init(struct device_node *node, - struct device_node *parent) -{ - if (!node) - return; - qe_ic_init(node, 0, qe_ic_cascade_low_mpic, - qe_ic_cascade_high_mpic); - of_node_put(node); -} - -IRQCHIP_DECLARE(qeic, "fsl,qe-ic", qeic_of_init); -subsys_initcall(init_qe_ic_sysfs); +IRQCHIP_DECLARE(qeic, "fsl,qe-ic", init_qe_ic); diff --git a/include/soc/fsl/qe/qe_ic.h b/include/soc/fsl/qe/qe_ic.h index 1e155ca..6113699 100644 --- a/include/soc/fsl/qe/qe_ic.h +++ b/include/soc/fsl/qe/qe_ic.h @@ -58,16 +58,9 @@ enum qe_ic_grp_id { }; #ifdef CONFIG_QUICC_ENGINE -void qe_ic_init(struct device_node *node, unsigned int flags, - void (*low_handler)(struct irq_desc *desc), - void (*high_handler)(struct irq_desc *desc)); unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic); unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic); #else -static inline void qe_ic_init(struct device_node *node, unsigned int flags, - void (*low_handler)(struct irq_desc *desc), - void (*high_handler)(struct irq_desc *desc)) -{} static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic) { return 0; } static inline unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic) |