On 07/20/2011 02:38 PM, Ben Hutchings wrote:
> On Wed, 2011-07-20 at 12:18 +0300, Kalle Valo wrote:
>> cfg80211 exports zero length register size as it currently only uses
>> struct ethtool_regs.version to export struct wiphy.hw_version.
> [...]
>
> The ethtool_regs::version field represents the version of the register
> dump format. This may or may not relate to a hardware version.
>
> If you don't actually provide a register dump then don't implement this
> operation.
Then we have a problem as cfg80211 exports the hw version without any
register dumps:
static int cfg80211_get_regs_len(struct net_device *dev)
{
/* For now, return 0... */
return 0;
}
static void cfg80211_get_regs(struct net_device *dev, struct
ethtool_regs *regs,
void *data)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
regs->version = wdev->wiphy->hw_version;
regs->len = 0;
}
And this has been there a long time already. How cfg80211 should export
hw version if this is not a proper way?
Kalle
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