Revert "serial: uartps: Fix uartps_major handling"
commit5.4-rM2-2.2.x-imx-squashed2e01911b7c
upstream. This reverts commit5e9bd2d70a
. 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>
parent
3af0614df1
commit
1bb43b4d8c
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@ -1550,6 +1550,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
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goto err_out_id;
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}
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uartps_major = cdns_uart_uart_driver->tty_driver->major;
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cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver;
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/*
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@ -1679,7 +1680,6 @@ static int cdns_uart_probe(struct platform_device *pdev)
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console_port = NULL;
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#endif
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uartps_major = cdns_uart_uart_driver->tty_driver->major;
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cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node,
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"cts-override");
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return 0;
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@ -1741,12 +1741,6 @@ static int cdns_uart_remove(struct platform_device *pdev)
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console_port = NULL;
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#endif
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/* If this is last instance major number should be initialized */
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mutex_lock(&bitmap_lock);
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if (bitmap_empty(bitmap, MAX_UART_INSTANCES))
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uartps_major = 0;
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mutex_unlock(&bitmap_lock);
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uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
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return rc;
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}
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