From eb7387ae14ef88ecba85d569de978da776ea4f09 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 27 Jan 2020 08:49:53 -0700 Subject: sandbox: pmic: Correct i2c pmic emulator platdata method This currently reads the uclass's private data in the ofdata_to_platdata method which is not allowed, since the uclass has not read it from the device tree. This happens in the probe method. Fix it by adding a probe() method and moving the code there. Signed-off-by: Simon Glass --- drivers/power/pmic/i2c_pmic_emul.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) (limited to 'drivers/power') diff --git a/drivers/power/pmic/i2c_pmic_emul.c b/drivers/power/pmic/i2c_pmic_emul.c index 80efc0265d..b58c8302cf 100644 --- a/drivers/power/pmic/i2c_pmic_emul.c +++ b/drivers/power/pmic/i2c_pmic_emul.c @@ -105,12 +105,21 @@ static int sandbox_i2c_pmic_ofdata_to_platdata(struct udevice *emul) { struct sandbox_i2c_pmic_plat_data *plat = dev_get_platdata(emul); struct udevice *pmic_dev = i2c_emul_get_device(emul); - struct uc_pmic_priv *priv = dev_get_uclass_priv(pmic_dev); - const u8 *reg_defaults; debug("%s:%d Setting PMIC default registers\n", __func__, __LINE__); plat->reg_count = pmic_reg_count(pmic_dev); - plat->trans_len = priv->trans_len; + + return 0; +} + +static int sandbox_i2c_pmic_probe(struct udevice *emul) +{ + struct sandbox_i2c_pmic_plat_data *plat = dev_get_platdata(emul); + struct udevice *pmic_dev = i2c_emul_get_device(emul); + struct uc_pmic_priv *upriv = dev_get_uclass_priv(pmic_dev); + const u8 *reg_defaults; + + plat->trans_len = upriv->trans_len; plat->buf_size = plat->reg_count * plat->trans_len; plat->reg = calloc(1, plat->buf_size); @@ -149,6 +158,7 @@ U_BOOT_DRIVER(sandbox_i2c_pmic_emul) = { .id = UCLASS_I2C_EMUL, .of_match = sandbox_i2c_pmic_ids, .ofdata_to_platdata = sandbox_i2c_pmic_ofdata_to_platdata, + .probe = sandbox_i2c_pmic_probe, .platdata_auto_alloc_size = sizeof(struct sandbox_i2c_pmic_plat_data), .ops = &sandbox_i2c_pmic_emul_ops, }; -- cgit v1.2.3