On Fri, 10 Feb 2023, Biju Das wrote:
> The UART IP found on RZ/V2M SoC is Register-compatible with the
> general-purpose 16750 UART chip. This patch updates RZ/V2M
> port type from 16550A->16750 and also enables 64-bytes fifo support.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> v2:
> * New patch
> ---
> drivers/tty/serial/8250/8250_em.c | 27 +++++++++++++++++++++++----
> 1 file changed, 23 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/tty/serial/8250/8250_em.c b/drivers/tty/serial/8250/8250_em.c
> index b78c74755735..628a6846bfdc 100644
> --- a/drivers/tty/serial/8250/8250_em.c
> +++ b/drivers/tty/serial/8250/8250_em.c
> @@ -9,6 +9,7 @@
> #include <linux/io.h>
> #include <linux/module.h>
> #include <linux/mod_devicetable.h>
> +#include <linux/of_device.h>
> #include <linux/serial_8250.h>
> #include <linux/serial_reg.h>
> #include <linux/platform_device.h>
> @@ -19,9 +20,15 @@
> #define UART_DLL_EM 9
> #define UART_DLM_EM 10
>
> +struct serial8250_em_hw_info {
> + unsigned int type;
> + upf_t flags;
> +};
> +
> struct serial8250_em_priv {
> struct clk *sclk;
> int line;
> + const struct serial8250_em_hw_info *info;
> };
>
> static void serial8250_em_serial_out(struct uart_port *p, int offset, int value)
> @@ -95,6 +102,7 @@ static int serial8250_em_probe(struct platform_device *pdev)
> if (!priv)
> return -ENOMEM;
>
> + priv->info = of_device_get_match_data(dev);
On second thought, do you even need to store the info beyond .probe()?
--
i.
