reset: amlogic: use reset number instead of register count

The reset driver from audio clock controller may register less
reset than a register can hold. To avoid making any change while
switching to auxiliary support, use the number of reset instead of the
register count to define the bounds of the reset controller.

Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Jerome Brunet <[email protected]>
Reviewed-by: Philipp Zabel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Philipp Zabel <[email protected]>

Author: jbrun3t

drivers/reset/reset-meson.c

@@ -17,7 +17,7 @@
 #include <linux/types.h>
 
 struct meson_reset_param {
-	unsigned int reg_count;
+	unsigned int reset_num;
 	unsigned int reset_offset;
 	unsigned int level_offset;
 	bool level_low_reset;
@@ -87,28 +87,28 @@ static const struct reset_control_ops meson_reset_ops = {
 };
 
 static const struct meson_reset_param meson8b_param = {
-	.reg_count	= 8,
+	.reset_num	= 256,
 	.reset_offset	= 0x0,
 	.level_offset	= 0x7c,
 	.level_low_reset = true,
 };
 
 static const struct meson_reset_param meson_a1_param = {
-	.reg_count	= 3,
+	.reset_num	= 96,
 	.reset_offset	= 0x0,
 	.level_offset	= 0x40,
 	.level_low_reset = true,
 };
 
 static const struct meson_reset_param meson_s4_param = {
-	.reg_count	= 6,
+	.reset_num	= 192,
 	.reset_offset	= 0x0,
 	.level_offset	= 0x40,
 	.level_low_reset = true,
 };
 
 static const struct meson_reset_param t7_param = {
-	.reg_count      = 7,
+	.reset_num      = 224,
 	.reset_offset	= 0x0,
 	.level_offset   = 0x40,
 	.level_low_reset = true,
@@ -156,8 +156,7 @@ static int meson_reset_probe(struct platform_device *pdev)
 				     "can't init regmap mmio region\n");
 
 	data->rcdev.owner = THIS_MODULE;
-	data->rcdev.nr_resets = data->param->reg_count * BITS_PER_BYTE
-		* regmap_config.reg_stride;
+	data->rcdev.nr_resets = data->param->reset_num;
 	data->rcdev.ops = &meson_reset_ops;
 	data->rcdev.of_node = dev->of_node;