From: Christophe JAILLET christophe.jaillet@wanadoo.fr
commit 134f49dec0b6aca3259cd8259de4c572048bd207 upstream.
If an error occurs after reset_control_deassert(), it must be re-asserted, as already done in the .remove() function.
Fixes: c6825c6395b7 ("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.168406351... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/tty/serial/8250/8250_tegra.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/tty/serial/8250/8250_tegra.c +++ b/drivers/tty/serial/8250/8250_tegra.c @@ -112,13 +112,15 @@ static int tegra_uart_probe(struct platf
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);