netdev - [PATCH 1/2 net-next] qca_spi: Count unexpected WRBUF_SPC

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Message-Id: <20241007113312.38728-2-wahrenst@gmx.net>
Date: Mon,  7 Oct 2024 13:33:11 +0200
From: Stefan Wahren <wahrenst@....net>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Michael Heimpold <mhei@...mpold.de>,
	Christoph Fritz <chf.fritz@...glemail.com>,
	Stefan Wahren <wahrenst@....net>
Subject: [PATCH 1/2 net-next] qca_spi: Count unexpected WRBUF_SPC_AVA after reset

After a reset of the QCA7000, the amount of available write buffer
space should match QCASPI_HW_BUF_LEN. If this is not the case
this error should be counted as such.

Signed-off-by: Stefan Wahren <wahrenst@....net>
---
 drivers/net/ethernet/qualcomm/qca_spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 8f7ce6b51a1c..fde7197372fe 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -505,6 +505,7 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event)
 			if (wrbuf_space != QCASPI_HW_BUF_LEN) {
 				netdev_dbg(qca->net_dev, "sync: got CPU on, but wrbuf not empty. reset!\n");
 				qca->sync = QCASPI_SYNC_UNKNOWN;
+				qca->stats.buf_avail_err++;
 			} else {
 				netdev_dbg(qca->net_dev, "sync: got CPU on, now in sync\n");
 				qca->sync = QCASPI_SYNC_READY;
--
2.34.1