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 v5: https://lore.kernel.org/r/20240813105400.4054657-5-c-vankar@ti.com/
Changes from v5 to v6: - Updated function "k3_ringacc_ring_reset_raw" to reset only ring size field in ring configuration register as pointed out by Alexander Sverdlin.
drivers/soc/ti/k3-navss-ringacc-u-boot.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/ti/k3-navss-ringacc-u-boot.c b/drivers/soc/ti/k3-navss-ringacc-u-boot.c index f958239c2af..2799f214c77 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(19, 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)