On 01/05/2016 03:50 PM, One Thousand Gnomes wrote:
>
>> +#define PIC32_SDEV_NAME "ttyS"
>> +#define PIC32_SDEV_MAJOR TTY_MAJOR
>> +#define PIC32_SDEV_MINOR 64
>
> No. Same goes for you as every one of the forty other people a year who
> try and claim their console is ttyS. If it's not an 8250 it isn't.
>
> ttyS is the 8250, use dynamic major and minor and a different name.
Ok. Is there a naming convention documented anywhere? How about ttyPIC?
>
>
>> +/* serial core request to change current uart setting */
>> +static void pic32_uart_set_termios(struct uart_port *port,
>> + struct ktermios *new,
>> + struct ktermios *old)
>> +{
>
> You need to clear any termios features requested but not supported. In
> your case that appears to be CMSPAR, as you don't seem to support
> mark/space parity.
Ack.
>
> Similarly if you only support 8N1 or 7E1/7O1 you need to force the CSIZE
> bits to match what you ended up setting the UART to do.
Ack.
>
>> + /* update baud */
>> + baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16);
>> + quot = uart_get_divisor(port, baud) - 1;
>> + pic32_uart_write(quot, sport, PIC32_UART_BRG);
>> + uart_update_timeout(port, new->c_cflag, baud);
>
> See the 8250 driver for an example: you probably need to write back the
> actual rate you got.
Ack.
>
>> +/* serial core request to release uart iomem */
>> +static void pic32_uart_release_port(struct uart_port *port)
>> +{
>> + struct platform_device *pdev = to_platform_device(port->dev);
>> + struct resource *res_mem;
>> + unsigned int res_size;
>
> resource_size_t for resources. Or you could just avoid the pointless
> variable in the first place 8)
Pointless variable removed.
>
> Other oddments - things like kasprintf() returns should be checked
Ack.
>
>
> Alan
Thanks,
Paul
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