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Revert "serial: uartps: Fix uartps_major handling"

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commit 2e01911b7cf7aa07a304a809eca1b11a4bd35859 upstream.

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 <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Cc: stable <[email protected]>
Link: https://lore.kernel.org/r/310999ab5342f788a7bc1b0e68294d4f052cad07.1585905873.git.michal.simek@xilinx.com
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Michal Simek 2020-04-03 11:24:30 +02:00 • committed by Greg Kroah-Hartman
commit 1bb43b4d8c
1 changed files with 1 additions and 7 deletions
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8
drivers/tty/serial/xilinx_uartps.c
View file

@ -1550,6 +1550,7 @@ 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;
/*
@ -1679,7 +1680,6 @@ 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;
@ -1741,12 +1741,6 @@ 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;
}