diff mbox series

[v2,RFC,net-next,10/18] net: mvpp2: add spinlock for FW FCA configuration path

Message ID 1611488647-12478-11-git-send-email-stefanc@marvell.com
State New
Headers show
Series net: mvpp2: Add TX Flow Control support | expand

Commit Message

Stefan Chulski Jan. 24, 2021, 11:43 a.m. UTC 
From: Stefan Chulski <stefanc@marvell.com>

Spinlock added to MSS shared memory configuration space.

Signed-off-by: Stefan Chulski <stefanc@marvell.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2.h      | 5 +++++
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 3 +++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
index 3df8f60..4d58af6 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
@@ -1021,6 +1021,11 @@  struct mvpp2 {
 
 	/* CM3 SRAM pool */
 	struct gen_pool *sram_pool;
+
+	bool custom_dma_mask;
+
+	/* Spinlocks for CM3 shared memory configuration */
+	spinlock_t mss_spinlock;
 };
 
 struct mvpp2_pcpu_stats {
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 0f5069f..32c79c50 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -7159,6 +7159,9 @@  static int mvpp2_probe(struct platform_device *pdev)
 			priv->hw_version = MVPP23;
 	}
 
+	/* Init mss lock */
+	spin_lock_init(&priv->mss_spinlock);
+
 	/* Initialize network controller */
 	err = mvpp2_init(pdev, priv);
 	if (err < 0) {