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2021-01-05dm: core: Access device flags through functionsSimon Glass1-1/+1
At present flags are stored as part of the device. In preparation for storing them separately, change the access to go through inline functions. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-19common: Drop linux/bitops.h from common headerSimon Glass1-0/+1
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-19common: Drop linux/bug.h from common headerSimon Glass1-0/+1
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-01-07virtio: rng: Add a random number generator(rng) driverSughosh Ganu1-1/+3
Add a driver for the virtio-rng device on the qemu platform. The device uses pci as a transport medium. The driver can be enabled with the following configs CONFIG_VIRTIO CONFIG_DM_RNG CONFIG_VIRTIO_PCI CONFIG_VIRTIO_RNG Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
2018-11-14dm: Add a new uclass driver for VirtIO transport devicesBin Meng1-0/+707
This adds a new virtio uclass driver for “virtio” [1] family of devices that are are found in virtual environments like QEMU, yet by design they look like physical devices to the guest. The uclass driver provides child_pre_probe() and child_post_probe() methods to do some common operations for virtio device drivers like device and driver supported feature negotiation, etc. [1] http://docs.oasis-open.org/virtio/virtio/v1.0/virtio-v1.0.pdf Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>