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SubjectRe: [PATCH v1 1/1] serial: liteuart: Remove a copy of UART id in private structure
On Mon, Jan 23, 2023 at 09:26:04PM +0200, Andy Shevchenko wrote:
> The struct liteuart_port keeps tracking of UART ID which is also
> saved in the struct uart_port as line member. Drop the former one
> and use the latter everywhere.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>
> Depends on
> https://lore.kernel.org/linux-serial/20230123191741.79751-1-andriy.shevchenko@linux.intel.com/
>
> drivers/tty/serial/liteuart.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
> index 562892395570..80de3a42b67b 100644
> --- a/drivers/tty/serial/liteuart.c
> +++ b/drivers/tty/serial/liteuart.c
> @@ -46,7 +46,6 @@
> struct liteuart_port {
> struct uart_port port;
> struct timer_list timer;
> - u32 id;
> u8 irq_reg;
> };
>
> @@ -314,7 +313,6 @@ static int liteuart_probe(struct platform_device *pdev)
> if (ret)
> return ret;
>
> - uart->id = dev_id;
> /* values not from device tree */
> port->dev = &pdev->dev;
> port->iotype = UPIO_MEM;
> @@ -334,7 +332,7 @@ static int liteuart_probe(struct platform_device *pdev)
> return 0;
>
> err_erase_id:
> - xa_erase(&liteuart_array, uart->id);
> + xa_erase(&liteuart_array, dev_id);
>
> return ret;
> }
> @@ -342,10 +340,10 @@ static int liteuart_probe(struct platform_device *pdev)
> static int liteuart_remove(struct platform_device *pdev)
> {
> struct uart_port *port = platform_get_drvdata(pdev);
> - struct liteuart_port *uart = to_liteuart_port(port);
> + unsigned int line = port->line;
>
> uart_remove_one_port(&liteuart_driver, port);
> - xa_erase(&liteuart_array, uart->id);
> + xa_erase(&liteuart_array, line);
>
> return 0;
> }

Nice, thanks!

Reviewed-by: Gabriel Somlo <gsomlo@gmail.com>

> --
> 2.39.0
>

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