From 19b241c61faaa18c777e684ca5c43ad461af0afd Mon Sep 17 00:00:00 2001 From: AKASHI Takahiro Date: Fri, 10 Dec 2021 15:49:29 +0900 Subject: [PATCH] blk: add a helper function, blk_probe_or_unbind() This function will be commonly used in block device drivers in the succeeding patches. Signed-off-by: AKASHI Takahiro Reviewed-by: Simon Glass Reviewed-by: Heinrich Schuchardt --- 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 4ae8af6d60..a055387570 100644 --- a/drivers/block/blk-uclass.c +++ b/drivers/block/blk-uclass.c @@ -672,6 +672,19 @@ 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) { + log_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 dde2173257..133204a82e 100644 --- a/include/blk.h +++ b/include/blk.h @@ -370,6 +370,18 @@ 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 enumerating 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 * -- 2.39.5