From: Michal Simek <michal.simek@xxxxxxxxxx> commit 8da1a3940da4b0e82848ec29b835486890bc9232 upstream. This reverts commit ab262666018de6f4e206b021386b93ed0c164316. As Johan says, this driver needs a lot more work and these changes are only going in the wrong direction: https://lkml.kernel.org/r/20190523091839.GC568@localhost Reported-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/14a565fc1e14a5ec6cc6a6710deb878ae8305f22.1585905873.git.michal.simek@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/tty/serial/xilinx_uartps.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -30,13 +30,13 @@ #define CDNS_UART_TTY_NAME "ttyPS" #define CDNS_UART_NAME "xuartps" +#define CDNS_UART_MAJOR 0 /* use dynamic node allocation */ #define CDNS_UART_FIFO_SIZE 64 /* FIFO size */ #define CDNS_UART_REGISTER_SPACE 0x1000 #define TX_TIMEOUT 500000 /* Rx Trigger level */ static int rx_trigger_level = 56; -static int uartps_major; module_param(rx_trigger_level, uint, 0444); MODULE_PARM_DESC(rx_trigger_level, "Rx trigger level, 1-63 bytes"); @@ -1521,7 +1521,7 @@ static int cdns_uart_probe(struct platfo cdns_uart_uart_driver->owner = THIS_MODULE; cdns_uart_uart_driver->driver_name = driver_name; cdns_uart_uart_driver->dev_name = CDNS_UART_TTY_NAME; - cdns_uart_uart_driver->major = uartps_major; + cdns_uart_uart_driver->major = CDNS_UART_MAJOR; cdns_uart_uart_driver->minor = cdns_uart_data->id; cdns_uart_uart_driver->nr = 1; @@ -1550,7 +1550,6 @@ static int cdns_uart_probe(struct platfo goto err_out_id; } - uartps_major = cdns_uart_uart_driver->tty_driver->major; cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver; /*
