Re: [PATCH] tty: serial: constify uartlite_reg_ops structs

From: Aya Mahfouz
Date: Tue Dec 15 2015 - 09:54:39 EST


On Tue, Dec 15, 2015 at 01:42:05AM +0200, Aya Mahfouz wrote:
> Constifies uartlite_reg_ops structures in tty's
> serial port driver since they are not modified
> after their initialization.
>
> Detected and found using Coccinelle.
>
> Suggested-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@xxxxxxxxx>
> ---
> drivers/tty/serial/uartlite.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
> index b1c6bd3..733cf58 100644
> --- a/drivers/tty/serial/uartlite.c
> +++ b/drivers/tty/serial/uartlite.c
> @@ -72,7 +72,7 @@ static void uartlite_outbe32(u32 val, void __iomem *addr)
> iowrite32be(val, addr);
> }
>
> -static struct uartlite_reg_ops uartlite_be = {
> +static const struct uartlite_reg_ops uartlite_be = {
> .in = uartlite_inbe32,
> .out = uartlite_outbe32,
> };
> @@ -87,21 +87,21 @@ static void uartlite_outle32(u32 val, void __iomem *addr)
> iowrite32(val, addr);
> }
>
> -static struct uartlite_reg_ops uartlite_le = {
> +static const struct uartlite_reg_ops uartlite_le = {
> .in = uartlite_inle32,
> .out = uartlite_outle32,
> };
>
> static inline u32 uart_in32(u32 offset, struct uart_port *port)
> {
> - struct uartlite_reg_ops *reg_ops = port->private_data;
> + const struct uartlite_reg_ops *reg_ops = port->private_data;
>
> return reg_ops->in(port->membase + offset);
> }
>
> static inline void uart_out32(u32 val, u32 offset, struct uart_port *port)
> {
> - struct uartlite_reg_ops *reg_ops = port->private_data;
> + const struct uartlite_reg_ops *reg_ops = port->private_data;
>
> reg_ops->out(val, port->membase + offset);
> }
> --
> 2.4.3
>
>
> --
> Kind Regards,
> Aya Saif El-yazal Mahfouz

Kindly drop this patch. I'm retracting it since
it will introduce two build warnings and fixing
it will not be a simple process.
--
Kind Regards,
Aya Saif El-yazal Mahfouz
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