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sandbox: pmic: Correct i2c pmic emulator platdata method

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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 <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-01-27 08:49:53 -07:00
parent b83994dec7
commit eb7387ae14
1 changed files with 13 additions and 3 deletions
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16
drivers/power/pmic/i2c_pmic_emul.c
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@ -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,
};