I've created a version 2 of this patch immediately which fixes the warning,
but somehow this stays ignored.
Please apply my second patch!
Maarten
> The patch to make uartlite_be/uartlite_le const was well-intended but
> caused a new build warning:
>
> tty/serial/uartlite.c: In function 'ulite_request_port':
> tty/serial/uartlite.c:348:21: error: assignment discards 'const' qualifier
> from pointer target type [-Werror=discarded-qualifiers]
> tty/serial/uartlite.c:354:22: error: assignment discards 'const' qualifier
> from pointer target type [-Werror=discarded-qualifiers]
>
> It would be nice to allow passing const pointers through
> port->private_data, but that would be way more work, so this
> reverts part of the original commit for now.
>
> A possible alternative might be to pass a structure in the private_data
> that contains a const pointer to the operations, which introduces a little
> extra overhead, or we could just add a cast to a non-const pointer, I'll
> leave that to the maintainer.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 2905697a82ea ("serial-uartlite: Constify uartlite_be/uartlite_le")
> ---
> drivers/tty/serial/uartlite.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
> index c9fdfc8bf47f..1474c5755140 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 const struct uartlite_reg_ops uartlite_be = {
> +static struct uartlite_reg_ops uartlite_be = {
> .in = uartlite_inbe32,
> .out = uartlite_outbe32,
> };
> @@ -87,7 +87,7 @@ static void uartlite_outle32(u32 val, void __iomem *addr)
> iowrite32(val, addr);
> }
>
> -static const struct uartlite_reg_ops uartlite_le = {
> +static struct uartlite_reg_ops uartlite_le = {
> .in = uartlite_inle32,
> .out = uartlite_outle32,
> };
> --
> 2.7.0
>
>
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