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pmic: Add support for setting transmission length in uclass private data
The struct uc_pmic_priv's trans_len field stores the number of types to be transmitted per PMIC transfer. Signed-off-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
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2 changed files with 19 additions and 0 deletions
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@ -165,7 +165,17 @@ int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set)
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return pmic_reg_write(dev, reg, byte);
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}
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static int pmic_pre_probe(struct udevice *dev)
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{
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struct uc_pmic_priv *pmic_priv = dev_get_uclass_priv(dev);
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pmic_priv->trans_len = 1;
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return 0;
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}
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UCLASS_DRIVER(pmic) = {
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.id = UCLASS_PMIC,
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.name = "pmic",
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.pre_probe = pmic_pre_probe,
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.per_device_auto_alloc_size = sizeof(struct uc_pmic_priv),
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};
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@ -297,6 +297,15 @@ int pmic_reg_write(struct udevice *dev, uint reg, uint value);
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*/
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int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set);
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/*
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* This structure holds the private data for PMIC uclass
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* For now we store information about the number of bytes
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* being sent at once to the device.
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*/
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struct uc_pmic_priv {
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uint trans_len;
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};
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#endif /* CONFIG_DM_PMIC */
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#ifdef CONFIG_POWER
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