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serial: 8250_tegra: Fix an error handling path in tegra_uart_probe()

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If an error occurs after reset_control_deassert(), it must be re-asserted,
as already done in the .remove() function.

Fixes: c6825c6395 ("serial: 8250_tegra: Create Tegra specific 8250 driver")
Cc: stable <stable@kernel.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/f8130f35339cc80edc6b9aac4bb2a60b60a226bf.1684063511.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET 2023-05-14 13:25:42 +02:00 committed by Greg Kroah-Hartman
parent 44c026a73b
commit 134f49dec0
1 changed files with 3 additions and 1 deletions
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4
drivers/tty/serial/8250/8250_tegra.c
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@ -113,13 +113,15 @@ static int tegra_uart_probe(struct platform_device *pdev)
ret = serial8250_register_8250_port(&port8250);
if (ret < 0)
goto err_clkdisable;
goto err_ctrl_assert;
platform_set_drvdata(pdev, uart);
uart->line = ret;
return 0;
err_ctrl_assert:
reset_control_assert(uart->rst);
err_clkdisable:
clk_disable_unprepare(uart->clk);