Re: [PATCH 6/6] USB: serial: ftdi_sio: allow other bases for "event_char"

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On Tue, Feb 28, 2017 at 12:51:28PM +0000, Ian Abbott wrote:
> The 'store' function for the "event_char" device attribute currently
> expects a base 10 value.  The value is composed of an enable bit in bit
> 8 and an 8-bit "event character" code in bits 7 to 0.  It seems
> reasonable to allow hexadecimal and octal numbers to be written to the
> device attribute in addition to decimal.  Make it so.
> 
> Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
> ---
>  drivers/usb/serial/ftdi_sio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
> index e6785d84280b..a007ec8238eb 100644
> --- a/drivers/usb/serial/ftdi_sio.c
> +++ b/drivers/usb/serial/ftdi_sio.c
> @@ -1742,7 +1742,7 @@ static ssize_t store_event_char(struct device *dev,
>  	unsigned int v;
>  	int rv;
>  
> -	rv = kstrtouint(valbuf, 10, &v);
> +	rv = kstrtouint(valbuf, 0, &v);
>  	if (rv)
>  		return rv;

How about changing the debug printk just below to use "0x%02x" as well?

Johan
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