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| author | Alexandre TORGUE <alexandre.torgue@st.com> | 2016-09-15 18:42:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-22 11:48:55 +0200 |
| commit | 511c7b1baa8ae86dbcf83b8f489d39ff4b64a123 (patch) | |
| tree | 6f4e3e0dea44cc24512ac6e2f45eea503c0c0458 /drivers/tty | |
| parent | 59bed2dfe03e9e572bfb5a2d29effc1791eedcbc (diff) | |
| download | lwn-511c7b1baa8ae86dbcf83b8f489d39ff4b64a123.tar.gz lwn-511c7b1baa8ae86dbcf83b8f489d39ff4b64a123.zip | |
serial: stm32: clock disabling management
Keep the clock enabled at the end of stm32_init_port
but disable it in stm32_serial_remove.
Note that stm32_pm function is there to manage the
clock at runtime.
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index ab294b927b67..520e7defc08d 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -487,8 +487,6 @@ static int stm32_init_port(struct stm32_port *stm32port, if (!stm32port->port.uartclk) ret = -EINVAL; - clk_disable_unprepare(stm32port->clk); - return ret; } @@ -557,6 +555,9 @@ static int stm32_serial_probe(struct platform_device *pdev) static int stm32_serial_remove(struct platform_device *pdev) { struct uart_port *port = platform_get_drvdata(pdev); + struct stm32_port *stm32_port = to_stm32_port(port); + + clk_disable_unprepare(stm32_port->clk); return uart_remove_one_port(&stm32_usart_driver, port); } |