p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Revert "serial: uartps: Fix uartps_major handling" 

This reverts commit 5e9bd2d70a.

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@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/310999ab5342f788a7bc1b0e68294d4f052cad07.1585905873.git.michal.simek@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michal Simek 2020-04-03 11:24:30 +02:00 committed by Greg Kroah-Hartman
parent 8f3d9f3542
commit 2e01911b7c
1 changed files with 1 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/tty/serial/xilinx_uartps.c
View File

@ -1564,6 +1564,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
goto err_out_id;
}
uartps_major = cdns_uart_uart_driver->tty_driver->major;
cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver;
/*
@ -1694,7 +1695,6 @@ static int cdns_uart_probe(struct platform_device *pdev)
console_port = NULL;
#endif
uartps_major = cdns_uart_uart_driver->tty_driver->major;
cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node,
"cts-override");
return 0;
@ -1756,12 +1756,6 @@ static int cdns_uart_remove(struct platform_device *pdev)
console_port = NULL;
#endif
/* If this is last instance major number should be initialized */
mutex_lock(&bitmap_lock);
if (bitmap_empty(bitmap, MAX_UART_INSTANCES))
uartps_major = 0;
mutex_unlock(&bitmap_lock);
uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
return rc;
}