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kernel: if block2mtd does not find the device immediately, use wait_for_device_probe() before trying again (should fix squashfs/jffs2 image boot issues), patch from #5216
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17720 3c298f89-4303-0410-b956-a3cf2f4a3e73
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--- a/drivers/mtd/devices/block2mtd.c
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+++ b/drivers/mtd/devices/block2mtd.c
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@@ -268,6 +268,7 @@
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/* We might not have rootfs mounted at this point. Try
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to resolve the device name by other means. */
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+ wait_for_device_probe();
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dev_t devt = name_to_dev_t(dev->devname);
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if (devt) {
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bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
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@ -0,0 +1,10 @@
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--- a/drivers/mtd/devices/block2mtd.c
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+++ b/drivers/mtd/devices/block2mtd.c
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@@ -268,6 +268,7 @@
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/* We might not have rootfs mounted at this point. Try
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to resolve the device name by other means. */
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+ wait_for_device_probe();
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dev_t devt = name_to_dev_t(dev->devname);
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if (devt) {
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bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
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