From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:33922) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tddj2-0001YI-2E for qemu-devel@nongnu.org; Wed, 28 Nov 2012 04:14:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tddiw-000392-5c for qemu-devel@nongnu.org; Wed, 28 Nov 2012 04:14:35 -0500 Received: from mail-pb0-f45.google.com ([209.85.160.45]:49159) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tddiv-00038w-V0 for qemu-devel@nongnu.org; Wed, 28 Nov 2012 04:14:30 -0500 Received: by mail-pb0-f45.google.com with SMTP id mc8so9076806pbc.4 for ; Wed, 28 Nov 2012 01:14:28 -0800 (PST) From: Liming Wang Date: Wed, 28 Nov 2012 17:14:16 +0800 Message-Id: <1354094056-4093-1-git-send-email-walimisdev@gmail.com> Subject: [Qemu-devel] [PATCH] xilinx_zynq: Add one variable to avoid overwriting QSPI bus List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, Peter Crosthwaite Cc: Peter Maydell , Peter Crosthwaite , Stefan Hajnoczi 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 --- hw/xilinx_zynq.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/hw/xilinx_zynq.c b/hw/xilinx_zynq.c index 1f12a3d..49233d8 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); } } -- 1.7.9.5