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>

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>
Lukasz Majewski · Stefano Babic
1 parent 9a84116b31
Showing 2 changed files with 19 additions and 0 deletions Side-by-side Diff
drivers/power/pmic/pmic-uclass.c
include/power/pmic.h
@@ -165,8 +165,18 @@
 	return pmic_reg_write(dev, reg, byte);
 }
  
+static int pmic_pre_probe(struct udevice *dev)
+{
+	struct uc_pmic_priv *pmic_priv = dev_get_uclass_priv(dev);
+
+	pmic_priv->trans_len = 1;
+	return 0;
+}
+
 UCLASS_DRIVER(pmic) = {
 	.id		= UCLASS_PMIC,
 	.name		= "pmic",
+	.pre_probe	= pmic_pre_probe,
+	.per_device_auto_alloc_size = sizeof(struct uc_pmic_priv),
 };
@@ -297,6 +297,15 @@
  */
 int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set);
  
+/*
+ * This structure holds the private data for PMIC uclass
+ * For now we store information about the number of bytes
+ * being sent at once to the device.
+ */
+struct uc_pmic_priv {
+	uint trans_len;
+};
+
 #endif /* CONFIG_DM_PMIC */
  
 #ifdef CONFIG_POWER
...	...	@@ -165,8 +165,18 @@
165	165	return pmic_reg_write(dev, reg, byte);
166	166	}
167	167
	168	+static int pmic_pre_probe(struct udevice *dev)
	169	+{
	170	+ struct uc_pmic_priv *pmic_priv = dev_get_uclass_priv(dev);
	171	+
	172	+ pmic_priv->trans_len = 1;
	173	+ return 0;
	174	+}
	175	+
168	176	UCLASS_DRIVER(pmic) = {
169	177	.id = UCLASS_PMIC,
170	178	.name = "pmic",
	179	+ .pre_probe = pmic_pre_probe,
	180	+ .per_device_auto_alloc_size = sizeof(struct uc_pmic_priv),
171	181	};
...	...	@@ -297,6 +297,15 @@
297	297	*/
298	298	int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set);
299	299
	300	+/*
	301	+ * This structure holds the private data for PMIC uclass
	302	+ * For now we store information about the number of bytes
	303	+ * being sent at once to the device.
	304	+ */
	305	+struct uc_pmic_priv {
	306	+ uint trans_len;
	307	+};
	308	+
300	309	#endif /* CONFIG_DM_PMIC */
301	310
302	311	#ifdef CONFIG_POWER