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From: Alban <albeu@free.fr>
To: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
Cc: John Crispin <john@phrozen.org>, Alban <albeu@free.fr>,
	Kalle Valo <kvalo@codeaurora.org>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 7/7] ath9k: hw: Reset the device with the external reset before init
Date: Mon, 13 Mar 2017 22:05:15 +0100	[thread overview]
Message-ID: <1489439116-4233-7-git-send-email-albeu@free.fr> (raw)
In-Reply-To: <1489439116-4233-1-git-send-email-albeu@free.fr>

On the SoC platform the board code often manually reset the device
before registering it. To allow the same to happen on DT platforms
let the driver call the reset before init.

Signed-off-by: Alban <albeu@free.fr>
---
 drivers/net/wireless/ath/ath9k/hw.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index efc0435..dfb13bc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -576,6 +576,13 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 	struct ath_common *common = ath9k_hw_common(ah);
 	int r = 0;
 
+	/* Reset the device before using it */
+	r = ath9k_hw_external_reset(ah);
+	if (r) {
+		ath_err(common, "Failed to reset chip\n");
+		return r;
+	}
+
 	ath9k_hw_read_revisions(ah);
 
 	switch (ah->hw_version.macVersion) {
-- 
2.7.4

  parent reply	other threads:[~2017-03-13 21:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-13 21:05 [PATCH 1/7] Documentation: dt: net: Update the ath9k binding for SoC devices Alban
2017-03-13 21:05 ` [PATCH 2/7] ath9k: ahb: Add OF support Alban
2017-03-14 11:17   ` Sergei Shtylyov
2017-03-13 21:05 ` [PATCH 3/7] ath9k: Add support for reading the EEPROM data using the nvmem API Alban
2017-03-13 22:17   ` Rafał Miłecki
2017-03-13 23:53   ` Christian Lamparter
2017-03-23 14:43     ` Alban
2017-03-24 16:24       ` Christian Lamparter
2017-03-13 21:05 ` [PATCH 4/7] ath9k: Add support for reading the MAC address with nvmem Alban
2017-03-13 21:05 ` [PATCH 5/7] ath9k: of: Use the clk API to get the reference clock rate Alban
2017-03-13 22:17   ` Rafał Miłecki
2017-03-13 21:05 ` [PATCH 6/7] ath9k: Allow using the reset API for the external reset Alban
2017-03-13 21:05 ` Alban [this message]
2017-03-20 22:06 ` [PATCH 1/7] Documentation: dt: net: Update the ath9k binding for SoC devices Rob Herring
2017-03-27 16:11 ` Christian Lamparter
2017-03-28  8:44   ` Alban
2017-03-28 14:53     ` Christian Lamparter
2017-03-28 15:18       ` Andrew Lunn
2017-03-28 16:21         ` Christian Lamparter
2017-03-28 16:41           ` Andrew Lunn
2017-03-28 17:09             ` Christian Lamparter
2017-04-05 10:09 ` Kalle Valo

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