diff mbox series

[v2,net-next,1/5] net: ethernet: mtk_wed: return status value in mtk_wdma_rx_reset

Message ID b8284d47918e9b6a4a27b7757d2c9391d5a0c0aa.1669303154.git.lorenzo@kernel.org (mailing list archive)
State Accepted
Commit b0488c4598a599157ac9b588541c3c6c5055e80f
Delegated to: Netdev Maintainers
Headers show
Series refactor mtk_wed code to introduce SER support | expand

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netdev/fixes_present success Fixes tag not required for -next series
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netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: linux-arm-kernel@lists.infradead.org matthias.bgg@gmail.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 62 lines checked
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netdev/source_inline success Was 0 now: 0

Commit Message

Lorenzo Bianconi Nov. 24, 2022, 3:22 p.m. UTC 
Move MTK_WDMA_RESET_IDX configuration in mtk_wdma_rx_reset routine.
Increase poll timeout to 10ms in order to be aligned with vendor sdk.
This is a preliminary patch to add Wireless Ethernet Dispatcher reset
support.

Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_wed.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index 7d8842378c2b..dc898ded2f05 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -101,17 +101,21 @@  mtk_wdma_read_reset(struct mtk_wed_device *dev)
 	return wdma_r32(dev, MTK_WDMA_GLO_CFG);
 }
 
-static void
+static int
 mtk_wdma_rx_reset(struct mtk_wed_device *dev)
 {
 	u32 status, mask = MTK_WDMA_GLO_CFG_RX_DMA_BUSY;
-	int i;
+	int i, ret;
 
 	wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_DMA_EN);
-	if (readx_poll_timeout(mtk_wdma_read_reset, dev, status,
-			       !(status & mask), 0, 1000))
+	ret = readx_poll_timeout(mtk_wdma_read_reset, dev, status,
+				 !(status & mask), 0, 10000);
+	if (ret)
 		dev_err(dev->hw->dev, "rx reset failed\n");
 
+	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
+	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
+
 	for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++) {
 		if (dev->rx_wdma[i].desc)
 			continue;
@@ -119,6 +123,8 @@  mtk_wdma_rx_reset(struct mtk_wed_device *dev)
 		wdma_w32(dev,
 			 MTK_WDMA_RING_RX(i) + MTK_WED_RING_OFS_CPU_IDX, 0);
 	}
+
+	return ret;
 }
 
 static void
@@ -565,9 +571,7 @@  mtk_wed_detach(struct mtk_wed_device *dev)
 
 	mtk_wed_stop(dev);
 
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
-
+	mtk_wdma_rx_reset(dev);
 	mtk_wed_reset(dev, MTK_WED_RESET_WED);
 	if (mtk_wed_get_rx_capa(dev)) {
 		wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_TX_DMA_EN);
@@ -582,7 +586,6 @@  mtk_wed_detach(struct mtk_wed_device *dev)
 		mtk_wed_wo_reset(dev);
 		mtk_wed_free_rx_rings(dev);
 		mtk_wed_wo_deinit(hw);
-		mtk_wdma_rx_reset(dev);
 	}
 
 	if (dev->wlan.bus_type == MTK_WED_BUS_PCIE) {
@@ -999,11 +1002,7 @@  mtk_wed_reset_dma(struct mtk_wed_device *dev)
 		wed_w32(dev, MTK_WED_RESET_IDX, 0);
 	}
 
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
-
-	if (mtk_wed_get_rx_capa(dev))
-		mtk_wdma_rx_reset(dev);
+	mtk_wdma_rx_reset(dev);
 
 	if (busy) {
 		mtk_wed_reset(dev, MTK_WED_RESET_WDMA_INT_AGENT);