| Message ID | 20220224180552.26901-10-sughosh.ganu@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | tpm: rng: Move TPM RNG functionality to driver model | expand |
On 2/24/22 19:05, Sughosh Ganu wrote: > The Qemu platform has a function defined to get the random number > generator(RNG) device. However, the RNG device can be obtained simply > by searching for a device belonging to the RNG uclass. Remove the > superfluous platform function defined for the Qemu platform for > getting the RNG device. > > Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de> > --- > board/emulation/qemu-arm/qemu-arm.c | 42 ----------------------------- > 1 file changed, 42 deletions(-) > > diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c > index 16d5a97167..c9e886e44a 100644 > --- a/board/emulation/qemu-arm/qemu-arm.c > +++ b/board/emulation/qemu-arm/qemu-arm.c > @@ -107,48 +107,6 @@ void enable_caches(void) > dcache_enable(); > } > > -#if defined(CONFIG_EFI_RNG_PROTOCOL) > -#include <efi_loader.h> > -#include <efi_rng.h> > - > -#include <dm/device-internal.h> > - > -efi_status_t platform_get_rng_device(struct udevice **dev) > -{ > - int ret; > - efi_status_t status = EFI_DEVICE_ERROR; > - struct udevice *bus, *devp; > - > - for (uclass_first_device(UCLASS_VIRTIO, &bus); bus; > - uclass_next_device(&bus)) { > - for (device_find_first_child(bus, &devp); devp; > - device_find_next_child(&devp)) { > - if (device_get_uclass_id(devp) == UCLASS_RNG) { > - *dev = devp; > - status = EFI_SUCCESS; > - break; > - } > - } > - } > - > - if (status != EFI_SUCCESS) { > - debug("No rng device found\n"); > - return EFI_DEVICE_ERROR; > - } > - > - if (*dev) { > - ret = device_probe(*dev); > - if (ret) > - return EFI_DEVICE_ERROR; > - } else { > - debug("Couldn't get child device\n"); > - return EFI_DEVICE_ERROR; > - } > - > - return EFI_SUCCESS; > -} > -#endif /* CONFIG_EFI_RNG_PROTOCOL */ > - > #ifdef CONFIG_ARM64 > #define __W "w" > #else
diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index 16d5a97167..c9e886e44a 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -107,48 +107,6 @@ void enable_caches(void) dcache_enable(); } -#if defined(CONFIG_EFI_RNG_PROTOCOL) -#include <efi_loader.h> -#include <efi_rng.h> - -#include <dm/device-internal.h> - -efi_status_t platform_get_rng_device(struct udevice **dev) -{ - int ret; - efi_status_t status = EFI_DEVICE_ERROR; - struct udevice *bus, *devp; - - for (uclass_first_device(UCLASS_VIRTIO, &bus); bus; - uclass_next_device(&bus)) { - for (device_find_first_child(bus, &devp); devp; - device_find_next_child(&devp)) { - if (device_get_uclass_id(devp) == UCLASS_RNG) { - *dev = devp; - status = EFI_SUCCESS; - break; - } - } - } - - if (status != EFI_SUCCESS) { - debug("No rng device found\n"); - return EFI_DEVICE_ERROR; - } - - if (*dev) { - ret = device_probe(*dev); - if (ret) - return EFI_DEVICE_ERROR; - } else { - debug("Couldn't get child device\n"); - return EFI_DEVICE_ERROR; - } - - return EFI_SUCCESS; -} -#endif /* CONFIG_EFI_RNG_PROTOCOL */ - #ifdef CONFIG_ARM64 #define __W "w" #else
The Qemu platform has a function defined to get the random number generator(RNG) device. However, the RNG device can be obtained simply by searching for a device belonging to the RNG uclass. Remove the superfluous platform function defined for the Qemu platform for getting the RNG device. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> --- board/emulation/qemu-arm/qemu-arm.c | 42 ----------------------------- 1 file changed, 42 deletions(-)