Thread (695 messages) 695 messages, 11 authors, 2021-05-13
STALE1843d

[PATCH 5.12 594/677] i2c: mediatek: Fix wrong dma sync flag

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-05-12 19:12:29
Also in: lkml
Subsystem: i2c subsystem, i2c subsystem host drivers, mediatek i2c controller driver, the rest · Maintainers: Wolfram Sang, Andi Shyti, Qii Wang, Linus Torvalds

From: Qii Wang <qii.wang@mediatek.com>

[ Upstream commit 3186b880447ad3cc9b6487fa626a71d64b831524 ]

The right flag is apdma_sync when apdma remove hand-shake signel.

Fixes: 05f6f7271a38 ("i2c: mediatek: Fix apdma and i2c hand-shake timeout")
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/busses/i2c-mt65xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 2ffd2f354d0a..86f70c751319 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -479,7 +479,7 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
 {
 	u16 control_reg;
 
-	if (i2c->dev_comp->dma_sync) {
+	if (i2c->dev_comp->apdma_sync) {
 		writel(I2C_DMA_WARM_RST, i2c->pdmabase + OFFSET_RST);
 		udelay(10);
 		writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
-- 
2.30.2


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