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| author |   Wolfram Sang <wsa@kernel.org> | 2020-09-09 10:17:08 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2020-09-09 10:17:08 +0200 |
| commit | 0065ec0054be8da664ac0830bb887dd7574ed251 (patch) | |
| tree | 796db87b9a0008f1cb666accbd654f1315e865ae /drivers/misc | |
| parent | i2c: npcm7xx: Fix timeout calculation (diff) | |
| parent | misc: eeprom: at24: register nvmem only after eeprom is ready to use (diff) | |
| download | wireguard-linux-0065ec0054be8da664ac0830bb887dd7574ed251.tar.xz wireguard-linux-0065ec0054be8da664ac0830bb887dd7574ed251.zip | |
Merge tag 'at24-fixes-for-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current
at24 fixes for v5.9-rc5
- delay registration of the nvmem provider until after power is enabled
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/at24.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 2591c21b2b5d..26a23abc053d 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -692,10 +692,6 @@ static int at24_probe(struct i2c_client *client) nvmem_config.word_size = 1; nvmem_config.size = byte_len; - at24->nvmem = devm_nvmem_register(dev, &nvmem_config); - if (IS_ERR(at24->nvmem)) - return PTR_ERR(at24->nvmem); - i2c_set_clientdata(client, at24); err = regulator_enable(at24->vcc_reg); @@ -708,6 +704,13 @@ static int at24_probe(struct i2c_client *client) pm_runtime_set_active(dev); pm_runtime_enable(dev); + at24->nvmem = devm_nvmem_register(dev, &nvmem_config); + if (IS_ERR(at24->nvmem)) { + pm_runtime_disable(dev); + regulator_disable(at24->vcc_reg); + return PTR_ERR(at24->nvmem); + } + /* * Perform a one-byte test read to verify that the * chip is functional. |