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Commit 7b8df1b9 authored by Jussi Kivilinna's avatar Jussi Kivilinna Committed by Gregory Nutt
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mtd/w25: wait for BUSY flag to clear in w25_readid and w25_unprotect. W25Q128... 

mtd/w25: wait for BUSY flag to clear in w25_readid and w25_unprotect.  W25Q128 datasheet says that all instructions expect 'Read Status Register' and 'Erase/Program Suspend' are ignored when BUSY flag in status register is '1'. Therefore wait for busy flag to clear in w25_readid() and w25_unprotect().
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