netdev - [PATCH] iwlegacy: use pci

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Date:	Fri, 15 Apr 2011 19:23:11 +0400
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	netdev@...r.kernel.org
Cc:	linville@...driver.com, linux-wireless@...r.kernel.org
Subject: [PATCH] iwlegacy: use pci_dev->revision

Commit be663ab67077fac8e23eb8e231a8c1c94cb32e54 (iwlwifi: split the drivers for
agn and legacy devices 3945/4965) added code to read the 4965's revision ID from
the PCI configuration register while it's already stored by PCI subsystem in the
'revision' field of 'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com>

---
The patch is against the recent Linus' tree.

 drivers/net/wireless/iwlegacy/iwl4965-base.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/drivers/net/wireless/iwlegacy/iwl4965-base.c
===================================================================
--- linux-2.6.orig/drivers/net/wireless/iwlegacy/iwl4965-base.c
+++ linux-2.6/drivers/net/wireless/iwlegacy/iwl4965-base.c
@@ -3179,7 +3179,7 @@ static void iwl4965_hw_detect(struct iwl
 {
 	priv->hw_rev = _iwl_legacy_read32(priv, CSR_HW_REV);
 	priv->hw_wa_rev = _iwl_legacy_read32(priv, CSR_HW_REV_WA_REG);
-	pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id);
+	priv->rev_id = priv->pci_dev->revision;
 	IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", priv->rev_id);
 }
 
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