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Tue, 07 Jun 2016 18:35:02 +0800 (CST) From: xiaoqiang zhao To: qemu-devel@nongnu.org Date: Tue, 7 Jun 2016 18:34:40 +0800 Message-Id: <1465295683-11505-4-git-send-email-zxq_yx_007@163.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1465295683-11505-1-git-send-email-zxq_yx_007@163.com> References: <1465295683-11505-1-git-send-email-zxq_yx_007@163.com> X-CM-TRANSID: EsCowEAJmUVLo1ZXMS8LAA--.4188S5 X-Coremail-Antispam: 1Uf129KBjvJXoWxZw1Dtr4DJF17Zr1xCrW7urg_yoW5AFyfpF 9xtFn3GrWkJFs7XrZaqr4DCFs5Xw4kK348tr13Jwnavr1DuwsIyw4vyF4Yv34UG392ya13 XayrJFy8GF48AaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jDHUDUUUUU= X-Originating-IP: [118.187.28.42] X-CM-SenderInfo: 520ts5t0bqili6rwjhhfrp/xtbBEhaBxlZXyNwR0AABsW X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 220.181.12.18 Subject: [Qemu-devel] [PATCH 03/17] hw/i2c: QOM'ify omap_i2c.c X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: i.mitsyanko@gmail.com, peter.maydell@linaro.org, qemu-arm@nongnu.org, zhaoshenglong@huawei.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP * 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 --- hw/i2c/omap_i2c.c | 44 ++++++++++++++++++++++++++------------------ 1 file changed, 26 insertions(+), 18 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(sbd); - OMAPI2CState *s = OMAP_I2C(dev); - - if (!s->fclk) { - error_report("omap_i2c: fclk not connected"); - return -1; - } - 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; - } + 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]); - 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 void omap_i2c_realize(DeviceState *dev, Error **errp) +{ + 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_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_setg(errp, "omap_i2c: iclk not connected"); + return; + } } 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, };