linux-kernel - [PATCH 5.4 041/203] ath9k: use iowrite32 over __raw

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Message-Id: <20200116231747.626939132@linuxfoundation.org>
Date:   Fri, 17 Jan 2020 00:15:58 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Christian Lamparter <chunkeey@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>
Subject: [PATCH 5.4 041/203] ath9k: use iowrite32 over __raw_writel

From: Christian Lamparter <chunkeey@...il.com>

commit 22d0d5ae7a089967e9295a06694aa3e8a812b15e upstream.

This patch changes the ath9k_pci_owl_loader to use the
same iowrite32 memory accessor that ath9k_pci is using
to communicate with the PCI(e) chip.

This will fix endian issues that came up during testing
with loaned AVM Fritz!Box 7360 (Lantiq MIPS SoCs + AR9287).

Fixes: 5a4f2040fd07 ("ath9k: add loader for AR92XX (and older) pci(e)")
Signed-off-by: Christian Lamparter <chunkeey@...il.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c
+++ b/drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c
@@ -84,7 +84,7 @@ static int ath9k_pci_fixup(struct pci_de
 			val = swahb32(val);
 		}
 
-		__raw_writel(val, mem + reg);
+		iowrite32(val, mem + reg);
 		usleep_range(100, 120);
 	}