reset: sunxi: Convert driver private data to platform data

The reason here is the same as the reason for changing the clock driver:
platform data can be provided when binding the driver.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Samuel Holland 2022-05-09 00:29:36 -05:00 committed by Andre Przywara
parent 5af97b6ff7
commit 3fb1988aad

View File

@ -17,24 +17,24 @@
#include <linux/bitops.h>
#include <linux/log2.h>
struct sunxi_reset_priv {
struct sunxi_reset_plat {
void *base;
const struct ccu_desc *desc;
};
static const struct ccu_reset *priv_to_reset(struct sunxi_reset_priv *priv,
static const struct ccu_reset *plat_to_reset(struct sunxi_reset_plat *plat,
unsigned long id)
{
return &priv->desc->resets[id];
return &plat->desc->resets[id];
}
static int sunxi_reset_request(struct reset_ctl *reset_ctl)
{
struct sunxi_reset_priv *priv = dev_get_priv(reset_ctl->dev);
struct sunxi_reset_plat *plat = dev_get_plat(reset_ctl->dev);
debug("%s: (RST#%ld)\n", __func__, reset_ctl->id);
if (reset_ctl->id >= priv->desc->num_resets)
if (reset_ctl->id >= plat->desc->num_resets)
return -EINVAL;
return 0;
@ -42,8 +42,8 @@ static int sunxi_reset_request(struct reset_ctl *reset_ctl)
static int sunxi_set_reset(struct reset_ctl *reset_ctl, bool on)
{
struct sunxi_reset_priv *priv = dev_get_priv(reset_ctl->dev);
const struct ccu_reset *reset = priv_to_reset(priv, reset_ctl->id);
struct sunxi_reset_plat *plat = dev_get_plat(reset_ctl->dev);
const struct ccu_reset *reset = plat_to_reset(plat, reset_ctl->id);
u32 reg;
if (!(reset->flags & CCU_RST_F_IS_VALID)) {
@ -54,13 +54,13 @@ static int sunxi_set_reset(struct reset_ctl *reset_ctl, bool on)
debug("%s: (RST#%ld) off#0x%x, BIT(%d)\n", __func__,
reset_ctl->id, reset->off, ilog2(reset->bit));
reg = readl(priv->base + reset->off);
reg = readl(plat->base + reset->off);
if (on)
reg |= reset->bit;
else
reg &= ~reset->bit;
writel(reg, priv->base + reset->off);
writel(reg, plat->base + reset->off);
return 0;
}
@ -81,11 +81,11 @@ struct reset_ops sunxi_reset_ops = {
.rst_deassert = sunxi_reset_deassert,
};
static int sunxi_reset_probe(struct udevice *dev)
static int sunxi_reset_of_to_plat(struct udevice *dev)
{
struct sunxi_reset_priv *priv = dev_get_priv(dev);
struct sunxi_reset_plat *plat = dev_get_plat(dev);
priv->base = dev_read_addr_ptr(dev);
plat->base = dev_read_addr_ptr(dev);
return 0;
}
@ -93,7 +93,7 @@ static int sunxi_reset_probe(struct udevice *dev)
int sunxi_reset_bind(struct udevice *dev)
{
struct udevice *rst_dev;
struct sunxi_reset_priv *priv;
struct sunxi_reset_plat *plat;
int ret;
ret = device_bind_driver_to_node(dev, "sunxi_reset", "reset",
@ -102,9 +102,9 @@ int sunxi_reset_bind(struct udevice *dev)
debug("failed to bind sunxi_reset driver (ret=%d)\n", ret);
return ret;
}
priv = malloc(sizeof(struct sunxi_reset_priv));
priv->desc = (const struct ccu_desc *)dev_get_driver_data(dev);
dev_set_priv(rst_dev, priv);
plat = malloc(sizeof(struct sunxi_reset_plat));
plat->desc = (const struct ccu_desc *)dev_get_driver_data(dev);
dev_set_plat(rst_dev, plat);
return 0;
}
@ -113,6 +113,6 @@ U_BOOT_DRIVER(sunxi_reset) = {
.name = "sunxi_reset",
.id = UCLASS_RESET,
.ops = &sunxi_reset_ops,
.probe = sunxi_reset_probe,
.priv_auto = sizeof(struct sunxi_reset_priv),
.of_to_plat = sunxi_reset_of_to_plat,
.plat_auto = sizeof(struct sunxi_reset_plat),
};