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2016-11-07hw/i2c/bitbang_i2c: Handle NACKs from devicesPeter Maydell
If the guest attempts to talk to a nonexistent device over i2c, the i2c_start_transfer() function will return non-zero, indicating that the bus is signalling a NACK. Similarly, if the i2c_send() function returns nonzero then the target device returned a NACK. Handle this possibility in the bitbang_i2c code, by returning the state machine to the STOPPED state and returning the NACK bit to the guest. This bit of missing functionality was spotted by Coverity (it noticed that we weren't checking the return value from i2c_start_transfer()). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1477332749-27098-1-git-send-email-peter.maydell@linaro.org
2016-06-14hw/i2c: QOM'ify bitbang_i2c.cxiaoqiang zhao
Drop the old SysBus init function and use instance_init Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com> Message-id: 1465815255-21776-2-git-send-email-zxq_yx_007@163.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-29hw: Clean up includesPeter Maydell
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1453832250-766-38-git-send-email-peter.maydell@linaro.org
2014-02-14i2c: Rename i2c_bus to I2CBusAndreas Färber
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29bitbang_i2c: QOM cast cleanupAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29devices: Associate devices to their logical categoryMarcel Apfelbaum
The category will be used to sort the devices displayed in the command line help. Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Message-id: 1375107465-25767-4-git-send-email-marcel.a@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-04hw/i*: pass owner to memory_region_init* functionsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-07-04memory: add owner argument to initialization functionsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move private headers to hw/ subdirectories.Paolo Bonzini
Many headers are used only in a single directory. These can be kept in hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move I2C controllers to hw/i2c/, configure via default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>