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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 <takahiro.akashi@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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2 changed files with 25 additions and 0 deletions
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@ -672,6 +672,19 @@ int blk_create_devicef(struct udevice *parent, const char *drv_name,
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return 0;
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}
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int blk_probe_or_unbind(struct udevice *dev)
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{
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int ret;
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ret = device_probe(dev);
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if (ret) {
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log_debug("probing %s failed\n", dev->name);
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device_unbind(dev);
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}
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return ret;
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}
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int blk_unbind_all(int if_type)
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{
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struct uclass *uc;
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@ -370,6 +370,18 @@ int blk_create_devicef(struct udevice *parent, const char *drv_name,
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const char *name, int if_type, int devnum, int blksz,
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lbaint_t lba, struct udevice **devp);
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/**
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* blk_probe_or_unbind() - Try to probe
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*
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* Try to probe the device, primarily for enumerating partitions.
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* If it fails, the device itself is unbound since it means that it won't
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* work any more.
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*
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* @dev: The device to probe
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* Return: 0 if OK, -ve on error
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*/
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int blk_probe_or_unbind(struct udevice *dev);
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/**
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* blk_unbind_all() - Unbind all device of the given interface type
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*
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