Re: [PATCH v3 5/5] can: sja1000: of: add reg-io-width property for8, 16 and 32-bit register access

From: Florian Vaussard
Date: Thu Feb 06 2014 - 09:21:25 EST


Hi,

On 02/06/2014 11:57 AM, Marc Kleine-Budde wrote:
> On 01/31/2014 03:08 PM, Sergei Shtylyov wrote:
>> Hello.
>>
>> On 31-01-2014 17:34, Florian Vaussard wrote:
>>
>>> Add the 'reg-io-width' property for 8, 16 and 32-bit access, like
>>> what is currently done with IORESOURCE_MEM_{8,16,32}BIT for non-OF
>>> boot.
>>
>>> Signed-off-by: Florian Vaussard <florian.vaussard@xxxxxxx>
>>> ---
>>> drivers/net/can/sja1000/sja1000_platform.c | 16 ++++++++++++++--
>>> 1 file changed, 14 insertions(+), 2 deletions(-)
>>
>>> diff --git a/drivers/net/can/sja1000/sja1000_platform.c
>>> b/drivers/net/can/sja1000/sja1000_platform.c
>>> index 50dece8..25122bf 100644
>>> --- a/drivers/net/can/sja1000/sja1000_platform.c
>>> +++ b/drivers/net/can/sja1000/sja1000_platform.c
>>> @@ -102,8 +102,20 @@ static void sp_populate_of(struct sja1000_priv
>>> *priv, struct device_node *of)
>>> int err;
>>> u32 prop;
>>>
>>> - priv->read_reg = sp_read_reg8;
>>> - priv->write_reg = sp_write_reg8;
>>> + err = of_property_read_u32(of, "reg-io-width", &prop);
>>> + if (err)
>>> + prop = 1;
>>> +
>>> + if (prop == 4) {
>>
>> This is asking to be a *switch* statement instead.
>
> Good point, I'll send a v4.
>

Thank you!

Florian
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/