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[v5,04/10] soc: ti: k3-navss-ringacc: Fix reset ring API

Message ID 20240813105400.4054657-5-c-vankar@ti.com
State Superseded
Delegated to: Tom Rini
Headers show
Series Add support for Ethernet Boot on SK-AM62 | expand

Commit Message

Chintan Vankar Aug. 13, 2024, 10:53 a.m. UTC 
From: Vignesh Raghavendra <vigneshr@ti.com>

Expectation of k3_ringacc_ring_reset_raw() is to reset the ring to
requested size and not to 0. Fix this.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Chintan Vankar <c-vankar@ti.com>
---

Link to v4:
https://lore.kernel.org/r/20240812114811.3843528-1-c-vankar@ti.com/

Changes from v4 to v5:
- No Changes.

 drivers/soc/ti/k3-navss-ringacc-u-boot.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/soc/ti/k3-navss-ringacc-u-boot.c b/drivers/soc/ti/k3-navss-ringacc-u-boot.c
index f958239c2af..5d650b9de79 100644
--- a/drivers/soc/ti/k3-navss-ringacc-u-boot.c
+++ b/drivers/soc/ti/k3-navss-ringacc-u-boot.c
@@ -25,9 +25,16 @@  struct k3_nav_ring_cfg_regs {
 #define KNAV_RINGACC_CFG_RING_SIZE_ELSIZE_MASK		GENMASK(26, 24)
 #define KNAV_RINGACC_CFG_RING_SIZE_ELSIZE_SHIFT		(24)
 
+#define KNAV_RINGACC_CFG_RING_SIZE_MASK			GENMASK(15, 0)
+
 static void k3_ringacc_ring_reset_raw(struct k3_nav_ring *ring)
 {
-	writel(0, &ring->cfg->size);
+	u32 reg;
+
+	reg = readl(&ring->cfg->size);
+	reg &= KNAV_RINGACC_CFG_RING_SIZE_MASK;
+	reg |= ring->size;
+	writel(reg, &ring->cfg->size);
 }
 
 static void k3_ringacc_ring_reconfig_qmode_raw(struct k3_nav_ring *ring, enum k3_nav_ring_mode mode)