On Mon, Apr 09, 2018 at 01:38:37PM -0600, Karthikeyan Ramasubramanian wrote:
> Perform static initialization of console_port instead of initializing
> during module_init.
>
> Signed-off-by: Karthikeyan Ramasubramanian <kramasub@xxxxxxxxxxxxxx>
> ---
> drivers/tty/serial/qcom_geni_serial.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
> index 21e9160..67fd285c 100644
> --- a/drivers/tty/serial/qcom_geni_serial.c
> +++ b/drivers/tty/serial/qcom_geni_serial.c
> @@ -105,7 +105,7 @@ struct qcom_geni_serial_port {
> bool brk;
> };
>
> -static const struct uart_ops qcom_geni_serial_pops;
> +static const struct uart_ops qcom_geni_console_pops;
> static struct uart_driver qcom_geni_console_driver;
> static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop);
> static unsigned int qcom_geni_serial_tx_empty(struct uart_port *port);
> @@ -118,7 +118,14 @@ struct qcom_geni_serial_port {
> #define to_dev_port(ptr, member) \
> container_of(ptr, struct qcom_geni_serial_port, member)
>
> -static struct qcom_geni_serial_port qcom_geni_console_port;
> +static struct qcom_geni_serial_port qcom_geni_console_port = {
> + .uport = {
> + .iotype = UPIO_MEM,
> + .ops = &qcom_geni_console_pops,
> + .flags = UPF_BOOT_AUTOCONF,
> + .line = 0,
> + },
> +};
This change itself looks good to me, however I wonder why there is
a single qcom_geni_serial_port object that is returned by
get_port_from_line() for any line. Neither the initial commit message
of the driver not the comments in this file mention a limitation to a
single port.
Is support for more than one UART planned for future revisions or are
there hardware/firmware limitations that impede this?
> static int qcom_geni_serial_request_port(struct uart_port *uport)
> {
> @@ -1133,11 +1140,6 @@ static int __init qcom_geni_serial_init(void)
> {
> int ret;
>
> - qcom_geni_console_port.uport.iotype = UPIO_MEM;
> - qcom_geni_console_port.uport.ops = &qcom_geni_console_pops;
> - qcom_geni_console_port.uport.flags = UPF_BOOT_AUTOCONF;
> - qcom_geni_console_port.uport.line = 0;
> -
> ret = console_register(&qcom_geni_console_driver);
> if (ret)
> return ret;
Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
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