From: walimis Date: Tue, 11 Dec 2012 11:30:37 +0000 (+0000) Subject: xilinx_zynq: Add one variable to avoid overwriting QSPI bus X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=79f5d67e9db35d53b478699393590392f7be03ac;p=qmiga%2Fqemu.git xilinx_zynq: Add one variable to avoid overwriting QSPI bus commit 7b482bcf xilinx_zynq: added QSPI controller Adds one QSPI controller, which has two spi buses, one is for spi0, and another is for spi1. But when initializing the spi1 bus, "dev" has been overwrited by the ssi_create_slave_no_init() function, so that qdev_get_child_bus() returns NULL and the last two m25p80 flashes won't be attached to the spi1 bus, but to main-system-bus. Here we add one variable to avoid overwriting. Signed-off-by: Liming Wang Reviewed-by: Peter Crosthwaite Signed-off-by: Peter Maydell --- diff --git a/hw/xilinx_zynq.c b/hw/xilinx_zynq.c index 1f12a3d1ad..49233d8e2e 100644 --- a/hw/xilinx_zynq.c +++ b/hw/xilinx_zynq.c @@ -57,6 +57,7 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq, DeviceState *dev; SysBusDevice *busdev; SSIBus *spi; + DeviceState *flash_dev; int i, j; int num_busses = is_qspi ? NUM_QSPI_BUSSES : 1; int num_ss = is_qspi ? NUM_QSPI_FLASHES : NUM_SPI_FLASHES; @@ -81,11 +82,11 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq, spi = (SSIBus *)qdev_get_child_bus(dev, bus_name); for (j = 0; j < num_ss; ++j) { - dev = ssi_create_slave_no_init(spi, "m25p80"); - qdev_prop_set_string(dev, "partname", "n25q128"); - qdev_init_nofail(dev); + flash_dev = ssi_create_slave_no_init(spi, "m25p80"); + qdev_prop_set_string(flash_dev, "partname", "n25q128"); + qdev_init_nofail(flash_dev); - cs_line = qdev_get_gpio_in(dev, 0); + cs_line = qdev_get_gpio_in(flash_dev, 0); sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line); } }