diff options
| author | Michal Simek <[email protected]> | 2025-07-23 11:06:46 +0200 |
|---|---|---|
| committer | Michal Simek <[email protected]> | 2025-08-26 07:30:09 +0200 |
| commit | d0e8a208f6f09c1719fe17b3208b5b239f42cf69 (patch) | |
| tree | 57475d40574ccb2e782fbdba581c07c06e8d847f /drivers/serial | |
| parent | 1fa340932946b337c7fd58cf8f825bb0c95f3e95 (diff) | |
serial: uartlite: Use private data instead of platform
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 <[email protected]>
Link: https://lore.kernel.org/r/8d32af596f80a2220d9f5d7fb98476e6d2b5f303.1753261604.git.michal.simek@amd.com
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_xuartlite.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/serial/serial_xuartlite.c b/drivers/serial/serial_xuartlite.c index eb234108746..00155aba5eb 100644 --- a/drivers/serial/serial_xuartlite.c +++ b/drivers/serial/serial_xuartlite.c @@ -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(®s->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(®s->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(®s->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(®s->control, 0); uart_out32(®s->control, ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX); ret = uart_in32(®s->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, |