From 758aba7d73aae491a675760a158a4a83b10a953d Mon Sep 17 00:00:00 2001 From: xiaoqiang zhao Date: Tue, 14 Jun 2016 15:59:13 +0100 Subject: [PATCH] hw/i2c: QOM'ify omap_i2c.c * Split the omap_i2c_init into an instance_init and realize function * Drop the old SysBus init function and use instance_init Signed-off-by: xiaoqiang zhao Message-id: 1465815255-21776-4-git-send-email-zxq_yx_007@163.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/i2c/omap_i2c.c | 42 +++++++++++++++++++++++++----------------- 1 file changed, 25 insertions(+), 17 deletions(-) diff --git a/hw/i2c/omap_i2c.c b/hw/i2c/omap_i2c.c index 67fbbff..f7c92ea 100644 --- a/hw/i2c/omap_i2c.c +++ b/hw/i2c/omap_i2c.c @@ -22,6 +22,7 @@ #include "hw/arm/omap.h" #include "hw/sysbus.h" #include "qemu/error-report.h" +#include "qapi/error.h" #define TYPE_OMAP_I2C "omap_i2c" #define OMAP_I2C(obj) OBJECT_CHECK(OMAPI2CState, (obj), TYPE_OMAP_I2C) @@ -445,29 +446,35 @@ static const MemoryRegionOps omap_i2c_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static int omap_i2c_init(SysBusDevice *sbd) +static void omap_i2c_init(Object *obj) +{ + DeviceState *dev = DEVICE(obj); + OMAPI2CState *s = OMAP_I2C(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + + sysbus_init_irq(sbd, &s->irq); + sysbus_init_irq(sbd, &s->drq[0]); + sysbus_init_irq(sbd, &s->drq[1]); + sysbus_init_mmio(sbd, &s->iomem); + s->bus = i2c_init_bus(dev, NULL); +} + +static void omap_i2c_realize(DeviceState *dev, Error **errp) { - DeviceState *dev = DEVICE(sbd); OMAPI2CState *s = OMAP_I2C(dev); + memory_region_init_io(&s->iomem, OBJECT(dev), &omap_i2c_ops, s, "omap.i2c", + (s->revision < OMAP2_INTR_REV) ? 0x800 : 0x1000); + if (!s->fclk) { - error_report("omap_i2c: fclk not connected"); - return -1; + error_setg(errp, "omap_i2c: fclk not connected"); + return; } if (s->revision >= OMAP2_INTR_REV && !s->iclk) { /* Note that OMAP1 doesn't have a separate interface clock */ - error_report("omap_i2c: iclk not connected"); - return -1; + error_setg(errp, "omap_i2c: iclk not connected"); + return; } - - sysbus_init_irq(sbd, &s->irq); - sysbus_init_irq(sbd, &s->drq[0]); - sysbus_init_irq(sbd, &s->drq[1]); - memory_region_init_io(&s->iomem, OBJECT(s), &omap_i2c_ops, s, "omap.i2c", - (s->revision < OMAP2_INTR_REV) ? 0x800 : 0x1000); - sysbus_init_mmio(sbd, &s->iomem); - s->bus = i2c_init_bus(dev, NULL); - return 0; } static Property omap_i2c_properties[] = { @@ -480,18 +487,19 @@ static Property omap_i2c_properties[] = { static void omap_i2c_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - k->init = omap_i2c_init; + dc->props = omap_i2c_properties; dc->reset = omap_i2c_reset; /* Reason: pointer properties "iclk", "fclk" */ dc->cannot_instantiate_with_device_add_yet = true; + dc->realize = omap_i2c_realize; } static const TypeInfo omap_i2c_info = { .name = TYPE_OMAP_I2C, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(OMAPI2CState), + .instance_init = omap_i2c_init, .class_init = omap_i2c_class_init, }; -- 2.7.4