Re: [PATCH 1/2] iwlwifi: use pci_dev->revision, again

["Guy, Wey-Yi" <wey-yi.w.guy@intel.com>]

On Thu, 2011-06-23 at 07:41 -0700, Sergei Shtylyov wrote:
> Commit ff938e43d39e926de74b32a3656c190f979ab642 (net: use pci_dev->revision,
> again) already converted this driver to using the 'revision' field of 'struct
> pci_dev' but commit c2974a1d18832a9fffb2eb389c3878f5c4ed92f1 (iwlagn: remove
> rev_id) later reverted that change for no reason. Now restore the change...
> 
> Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
> 
> ---
> The patch is against the recent Linus' tree.
> 
>  drivers/net/wireless/iwlwifi/iwl-agn.c |    5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> Index: linux-2.6/drivers/net/wireless/iwlwifi/iwl-agn.c
> ===================================================================
> --- linux-2.6.orig/drivers/net/wireless/iwlwifi/iwl-agn.c
> +++ linux-2.6/drivers/net/wireless/iwlwifi/iwl-agn.c
> @@ -3275,10 +3275,9 @@ struct ieee80211_ops iwlagn_hw_ops = {
>  
>  static u32 iwl_hw_detect(struct iwl_priv *priv)
>  {
> -	u8 rev_id;
> +	IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n",
> +		       priv->pci_dev->revision);
>  
> -	pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id);
> -	IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
>  	return iwl_read32(priv, CSR_HW_REV);
>  }
>  
hmm, I believe it is merge sequence issue, the IWL_DEBUG_INFO line has
benn remove all together in later patch. the information is being log in
the calling function, no need to log in "iwl_hw_detect"

Wey