xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Revert "serial: 8250_exar: Fill in rs485_supported"

Browse Source 
This reverts commit 84bf7b8759 which is
commit 59c221f8e1269278161313048c71929c9950b2c4 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Iba320d6a91720f36a89029762c28133427af93dd
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-04-16 09:37:21 +00:00
parent e18733695d
commit 8e1cc643b1
1 changed files with 0 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/tty/serial/8250/8250_exar.c
View File

@@ -123,7 +123,6 @@ struct exar8250;
struct exar8250_platform {
int (*rs485_config)(struct uart_port *, struct serial_rs485 *);
const struct serial_rs485 *rs485_supported;
int (*register_gpio)(struct pci_dev *, struct uart_8250_port *);
};
@@ -424,14 +423,9 @@ static int generic_rs485_config(struct uart_port *port,
return 0;
}
static const struct serial_rs485 generic_rs485_supported = {
.flags = SER_RS485_ENABLED,
};
static const struct exar8250_platform exar8250_default_platform = {
.register_gpio = xr17v35x_register_gpio,
.rs485_config = generic_rs485_config,
.rs485_supported = &generic_rs485_supported,
};
static int iot2040_rs485_config(struct uart_port *port,
@@ -467,10 +461,6 @@ static int iot2040_rs485_config(struct uart_port *port,
return generic_rs485_config(port, rs485);
}
static const struct serial_rs485 iot2040_rs485_supported = {
.flags = SER_RS485_ENABLED | SER_RS485_RX_DURING_TX | SER_RS485_TERMINATE_BUS,
};
static const struct property_entry iot2040_gpio_properties[] = {
PROPERTY_ENTRY_U32("exar,first-pin", 10),
PROPERTY_ENTRY_U32("ngpios", 1),
@@ -495,7 +485,6 @@ static int iot2040_register_gpio(struct pci_dev *pcidev,
static const struct exar8250_platform iot2040_platform = {
.rs485_config = iot2040_rs485_config,
.rs485_supported = &iot2040_rs485_supported,
.register_gpio = iot2040_register_gpio,
};
@@ -533,7 +522,6 @@ pci_xr17v35x_setup(struct exar8250 *priv, struct pci_dev *pcidev,
port->port.uartclk = baud * 16;
port->port.rs485_config = platform->rs485_config;
port->port.rs485_supported = platform->rs485_supported;
/*
* Setup the UART clock for the devices on expansion slot to