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serial: uartlite: Use private data instead of platform

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plat data should be used only in probe or of_to_plat to fill it information
from DT. Then in probe platform data should be stored in private structure
which should be used by the other driver functions.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/8d32af596f80a2220d9f5d7fb98476e6d2b5f303.1753261604.git.michal.simek@amd.com
This commit is contained in:
Michal Simek
2025-07-23 11:06:46 +02:00
parent 1fa3409329
commit d0e8a208f6
1 changed files with 14 additions and 6 deletions
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20
drivers/serial/serial_xuartlite.c
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@@ -35,6 +35,10 @@ struct uartlite_plat {
struct uartlite *regs;
};
struct uartlite_priv {
struct uartlite *regs;
};
static u32 uart_in32(void __iomem *addr)
{
if (little_endian)
@@ -53,8 +57,8 @@ static void uart_out32(void __iomem *addr, u32 val)
static int uartlite_serial_putc(struct udevice *dev, const char ch)
{
struct uartlite_plat *plat = dev_get_plat(dev);
struct uartlite *regs = plat->regs;
struct uartlite_priv *priv = dev_get_priv(dev);
struct uartlite *regs = priv->regs;
if (uart_in32(&regs->status) & SR_TX_FIFO_FULL)
return -EAGAIN;
@@ -66,8 +70,8 @@ static int uartlite_serial_putc(struct udevice *dev, const char ch)
static int uartlite_serial_getc(struct udevice *dev)
{
struct uartlite_plat *plat = dev_get_plat(dev);
struct uartlite *regs = plat->regs;
struct uartlite_priv *priv = dev_get_priv(dev);
struct uartlite *regs = priv->regs;
if (!(uart_in32(&regs->status) & SR_RX_FIFO_VALID_DATA))
return -EAGAIN;
@@ -77,8 +81,8 @@ static int uartlite_serial_getc(struct udevice *dev)
static int uartlite_serial_pending(struct udevice *dev, bool input)
{
struct uartlite_plat *plat = dev_get_plat(dev);
struct uartlite *regs = plat->regs;
struct uartlite_priv *priv = dev_get_priv(dev);
struct uartlite *regs = priv->regs;
if (input)
return uart_in32(&regs->status) & SR_RX_FIFO_VALID_DATA;
@@ -89,9 +93,12 @@ static int uartlite_serial_pending(struct udevice *dev, bool input)
static int uartlite_serial_probe(struct udevice *dev)
{
struct uartlite_plat *plat = dev_get_plat(dev);
struct uartlite_priv *priv = dev_get_priv(dev);
struct uartlite *regs = plat->regs;
int ret;
priv->regs = regs;
uart_out32(&regs->control, 0);
uart_out32(&regs->control, ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX);
ret = uart_in32(&regs->status);
@@ -131,6 +138,7 @@ U_BOOT_DRIVER(serial_uartlite) = {
.id = UCLASS_SERIAL,
.of_match = uartlite_serial_ids,
.of_to_plat = uartlite_serial_of_to_plat,
.priv_auto = sizeof(struct uartlite_priv),
.plat_auto = sizeof(struct uartlite_plat),
.probe = uartlite_serial_probe,
.ops = &uartlite_serial_ops,