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realtek: eth: convert rteth_839x_setup_notify_ring_buffer to regmap

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Another cleanup of legacy sw() code.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/23038
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Markus Stockhausen 2026-04-21 20:38:37 +02:00 committed by Robert Marko
parent a9c8ff63bc
commit 822cd6a47a
1 changed files with 8 additions and 5 deletions
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13
target/linux/realtek/files-6.18/drivers/net/ethernet/rtl838x_eth.c
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@ -648,15 +648,18 @@ static void rteth_839x_setup_notify_ring_buffer(struct rteth_ctrl *ctrl)
for (int i = 0; i < NOTIFY_BLOCKS; i++)
b->ring[i] = KSEG1ADDR(&b->blocks[i]) | 1 | (i == (NOTIFY_BLOCKS - 1) ? WRAP : 0);
sw_w32((u32)b->ring, RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL);
sw_w32_mask(0x3ff << 2, 100 << 2, RTL839X_L2_NOTIFICATION_CTRL);
regmap_write(ctrl->map, RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL, (u32)b->ring);
regmap_update_bits(ctrl->map, RTL839X_L2_NOTIFICATION_CTRL, 0x3ff << 2, 100 << 2);
/* Setup notification events */
sw_w32_mask(0, 1 << 14, RTL839X_L2_CTRL_0); /* RTL8390_L2_CTRL_0_FLUSH_NOTIFY_EN */
sw_w32_mask(0, 1 << 12, RTL839X_L2_NOTIFICATION_CTRL); /* SUSPEND_NOTIFICATION_EN */
/* RTL8390_L2_CTRL_0_FLUSH_NOTIFY_EN */
regmap_set_bits(ctrl->map, RTL839X_L2_CTRL_0, BIT(14));
/* SUSPEND_NOTIFICATION_EN */
regmap_set_bits(ctrl->map, RTL839X_L2_NOTIFICATION_CTRL, BIT(12));
/* Enable Notification */
sw_w32_mask(0, 1 << 0, RTL839X_L2_NOTIFICATION_CTRL);
regmap_set_bits(ctrl->map, RTL839X_L2_NOTIFICATION_CTRL, BIT(0));
ctrl->lastEvent = 0;
/* Make sure the ring structure is visible to the ASIC */