diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/sandbox.c | 13 | ||||
| -rw-r--r-- | drivers/core/device.c | 36 | ||||
| -rw-r--r-- | drivers/serial/ns16550.c | 4 |
3 files changed, 40 insertions, 13 deletions
diff --git a/drivers/block/sandbox.c b/drivers/block/sandbox.c index 9d7d68c007f..e2f229b15db 100644 --- a/drivers/block/sandbox.c +++ b/drivers/block/sandbox.c @@ -231,6 +231,18 @@ int host_get_dev_err(int devnum, struct blk_desc **blk_devp) } #ifdef CONFIG_BLK + +int sandbox_host_unbind(struct udevice *dev) +{ + struct host_block_dev *host_dev; + + /* Data validity is checked in host_dev_bind() */ + host_dev = dev_get_plat(dev); + os_close(host_dev->fd); + + return 0; +} + static const struct blk_ops sandbox_host_blk_ops = { .read = host_block_read, .write = host_block_write, @@ -240,6 +252,7 @@ U_BOOT_DRIVER(sandbox_host_blk) = { .name = "sandbox_host_blk", .id = UCLASS_BLK, .ops = &sandbox_host_blk_ops, + .unbind = sandbox_host_unbind, .plat_auto = sizeof(struct host_block_dev), }; #else diff --git a/drivers/core/device.c b/drivers/core/device.c index 625134921d6..81f6880eac4 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -92,15 +92,19 @@ static int device_bind_common(struct udevice *parent, const struct driver *drv, if (auto_seq && !(uc->uc_drv->flags & DM_UC_FLAG_NO_AUTO_SEQ)) dev->seq_ = uclass_find_next_free_seq(uc); + /* Check if we need to allocate plat */ if (drv->plat_auto) { bool alloc = !plat; + /* + * For of-platdata, we try use the existing data, but if + * plat_auto is larger, we must allocate a new space + */ if (CONFIG_IS_ENABLED(OF_PLATDATA)) { - if (of_plat_size) { + if (of_plat_size) dev_or_flags(dev, DM_FLAG_OF_PLATDATA); - if (of_plat_size < drv->plat_auto) - alloc = true; - } + if (of_plat_size < drv->plat_auto) + alloc = true; } if (alloc) { dev_or_flags(dev, DM_FLAG_ALLOC_PDATA); @@ -109,6 +113,11 @@ static int device_bind_common(struct udevice *parent, const struct driver *drv, ret = -ENOMEM; goto fail_alloc1; } + + /* + * For of-platdata, copy the old plat into the new + * space + */ if (CONFIG_IS_ENABLED(OF_PLATDATA) && plat) memcpy(ptr, plat, of_plat_size); dev_set_plat(dev, ptr); @@ -128,9 +137,8 @@ static int device_bind_common(struct udevice *parent, const struct driver *drv, if (parent) { size = parent->driver->per_child_plat_auto; - if (!size) { + if (!size) size = parent->uclass->uc_drv->per_child_plat_auto; - } if (size) { dev_or_flags(dev, DM_FLAG_ALLOC_PARENT_PDATA); ptr = calloc(1, size); @@ -200,14 +208,18 @@ fail_uclass_bind: } } fail_alloc3: - if (dev_get_flags(dev) & DM_FLAG_ALLOC_UCLASS_PDATA) { - free(dev_get_uclass_plat(dev)); - dev_set_uclass_plat(dev, NULL); + if (CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)) { + if (dev_get_flags(dev) & DM_FLAG_ALLOC_UCLASS_PDATA) { + free(dev_get_uclass_plat(dev)); + dev_set_uclass_plat(dev, NULL); + } } fail_alloc2: - if (dev_get_flags(dev) & DM_FLAG_ALLOC_PDATA) { - free(dev_get_plat(dev)); - dev_set_plat(dev, NULL); + if (CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)) { + if (dev_get_flags(dev) & DM_FLAG_ALLOC_PDATA) { + free(dev_get_plat(dev)); + dev_set_plat(dev, NULL); + } } fail_alloc1: devres_release_all(dev); diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index b9e99babebb..cc121eee277 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -483,7 +483,7 @@ static int ns16550_serial_getinfo(struct udevice *dev, return 0; } -static int ns16550_serial_assign_base(struct ns16550_plat *plat, ulong base) +static int ns16550_serial_assign_base(struct ns16550_plat *plat, fdt_addr_t base) { if (base == FDT_ADDR_T_NONE) return -EINVAL; @@ -564,6 +564,8 @@ int ns16550_serial_of_to_plat(struct udevice *dev) if (!plat->clock) plat->clock = dev_read_u32_default(dev, "clock-frequency", CONFIG_SYS_NS16550_CLK); + if (!plat->clock) + plat->clock = CONFIG_SYS_NS16550_CLK; if (!plat->clock) { debug("ns16550 clock not defined\n"); return -EINVAL; |