diff options
Diffstat (limited to 'drivers/core/device.c')
| -rw-r--r-- | drivers/core/device.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index 748340598a..1ca5d1c7bc 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -164,6 +164,21 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only, -1, devp); } +static void *alloc_priv(int size, uint flags) +{ + void *priv; + + if (flags & DM_FLAG_ALLOC_PRIV_DMA) { + priv = memalign(ARCH_DMA_MINALIGN, size); + if (priv) + memset(priv, '\0', size); + } else { + priv = calloc(1, size); + } + + return priv; +} + int device_probe_child(struct udevice *dev, void *parent_priv) { struct driver *drv; @@ -182,7 +197,7 @@ int device_probe_child(struct udevice *dev, void *parent_priv) /* Allocate private data if requested */ if (drv->priv_auto_alloc_size) { - dev->priv = calloc(1, drv->priv_auto_alloc_size); + dev->priv = alloc_priv(drv->priv_auto_alloc_size, drv->flags); if (!dev->priv) { ret = -ENOMEM; goto fail; @@ -206,7 +221,7 @@ int device_probe_child(struct udevice *dev, void *parent_priv) per_child_auto_alloc_size; } if (size) { - dev->parent_priv = calloc(1, size); + dev->parent_priv = alloc_priv(size, drv->flags); if (!dev->parent_priv) { ret = -ENOMEM; goto fail; |