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SubjectRe: [PATCH] at91_ether: use gpio_is_valid for phy IRQ line
On 11/25/2011 02:47 PM, Jean-Christophe PLAGNIOL-VILLARD :
> On 22:28 Thu 24 Nov , Jamie Iles wrote:
>> Hi Nicolas,
>>
>> On Thu, Nov 24, 2011 at 10:21:14PM +0100, Nicolas Ferre wrote:
>>> Use the generic gpiolib gpio_is_valid() function to test
>>> if the phy IRQ line GPIO is actually provided.
>>>
>>> For non-connected or non-existing phy IRQ lines, -EINVAL
>>> value is used for phy_irq_pin field of struct at91_eth_data.
>>>
>>> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
>>> ---
>>> drivers/net/ethernet/cadence/at91_ether.c | 23 +++++++++++++----------
>>> 1 files changed, 13 insertions(+), 10 deletions(-)
>>>
>>> diff --git a/drivers/net/ethernet/cadence/at91_ether.c b/drivers/net/ethernet/cadence/at91_ether.c
>>> index 56624d3..a1c4143 100644
>>> --- a/drivers/net/ethernet/cadence/at91_ether.c
>>> +++ b/drivers/net/ethernet/cadence/at91_ether.c
>>> @@ -255,8 +255,7 @@ static void enable_phyirq(struct net_device *dev)
>>> unsigned int dsintr, irq_number;
>>> int status;
>>>
>>> - irq_number = lp->board_data.phy_irq_pin;
>>> - if (!irq_number) {
>>> + if (!gpio_is_valid(lp->board_data.phy_irq_pin)) {
>>> /*
>>> * PHY doesn't have an IRQ pin (RTL8201, DP83847, AC101L),
>>> * or board does not have it connected.
>>> @@ -265,6 +264,7 @@ static void enable_phyirq(struct net_device *dev)
>>> return;
>>> }
>>>
>>> + irq_number = lp->board_data.phy_irq_pin;
>>
>> Does this need to be:
>>
>> irq_number = gpio_to_irq(lp->board_data.phy_irq_pin);
>>
>> and the same for the other occurrences? Otherwise this looks like the
>> right thing to me.
> yes

True but I prefered to separate changes. As it was not addressed like
this in the code I clung to it. I will post an additional patch on top
of this one to add the gpio_to_irq() call.

> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

Best regards,
--
Nicolas Ferre


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