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misc: i2c_eeprom: verify that the chip is functional at probe()
authorBaruch Siach <baruch@tkos.co.il>
Mon, 5 Aug 2019 06:03:30 +0000 (09:03 +0300)
committerHeiko Schocher <hs@denx.de>
Tue, 27 Aug 2019 04:26:49 +0000 (06:26 +0200)
commit5ae84860b0428b37063a6d7b03cae26a4e772da7
tree93c4681cd9a1d10264fc6d1cf5e917b26259578btree | snapshot
parentd7d864017d7f21a4cc3ff2a902024724c26ad213commit | diff
misc: i2c_eeprom: verify that the chip is functional at probe()

Read a single byte from EEPROM to verify that it is actually there.

This is equivalent to Linux kernel commit 00f0ea70d2b8 ("eeprom: at24:
check if the chip is functional in probe()").

Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
hs: fixed style check prefer kernel type 'u8' over 'uint8_t'
drivers/misc/i2c_eeprom.c diff | blob | history
My U-Boot fork