This function will be commonly used in block device drivers in the succeeding patches.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- drivers/block/blk-uclass.c | 13 +++++++++++++ include/blk.h | 12 ++++++++++++ 2 files changed, 25 insertions(+)
diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c index 83682dcc181a..f7ad90e8890f 100644 --- a/drivers/block/blk-uclass.c +++ b/drivers/block/blk-uclass.c @@ -670,6 +670,19 @@ int blk_create_devicef(struct udevice *parent, const char *drv_name, return 0; }
+int blk_probe_or_unbind(struct udevice *dev) +{ + int ret; + + ret = device_probe(dev); + if (ret) { + debug("probing %s failed\n", dev->name); + device_unbind(dev); + } + + return ret; +} + int blk_unbind_all(int if_type) { struct uclass *uc; diff --git a/include/blk.h b/include/blk.h index f0cc7ca1a28c..ef79e7b27b0a 100644 --- a/include/blk.h +++ b/include/blk.h @@ -369,6 +369,18 @@ int blk_create_devicef(struct udevice *parent, const char *drv_name, const char *name, int if_type, int devnum, int blksz, lbaint_t lba, struct udevice **devp);
+/** + * blk_probe_or_unbind() - Try to probe + * + * Try to probe the device, primarily for enumelating partitions. + * If it fails, the device itself is unbound since it means that it won't + * work any more. + * + * @dev: The device to probe + * @return 0 if OK, -ve on error + */ +int blk_probe_or_unbind(struct udevice *dev); + /** * blk_unbind_all() - Unbind all device of the given interface type *