Kamel Bouhara
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c3277f8ee8
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soc: at91: Add Atmel SFR SN (Serial Number) support
Add support to read SFR's read-only registers providing the SoC
Serial Numbers (SN0+SN1) to userspace.
~ # hexdump -n 8 -e'"%d\n"' /sys/bus/nvmem/devices/atmel-sfr0/nvmem
959527243
371539274
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Tested-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20191004151802.21793-1-kamel.bouhara@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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2019-11-07 22:33:10 +01:00 |