rpi-eeprom-update: Track whether there is a pending firmware update - #882
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Bootloader updates don't take effect until the next watchdog or cold boot. Store a file in /run to track whether the update is still pending. This is useful for A/B updates and for suspend-to-ram because resume would fail if the early bootcode loaded from SPI flash into the L2-cache does not match the verison of firmware already in SDRAM.
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Bootloader updates don't take effect until the next watchdog or cold boot. Store a file in /run to track whether the update is still pending. This is useful for A/B updates and for suspend-to-ram because resume would fail if the early bootcode loaded from SPI flash into the L2-cache does not match the verison of firmware already in SDRAM.