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From: "zheng.dongxiong" <zheng.dongxiong@outlook.com>
To: manivannan.sadhasivam@linaro.org, fancer.lancer@gmail.com,
	vkoul@kernel.org
Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
	"zheng.dongxiong" <zheng.dongxiong@outlook.com>
Subject: [PATCH RESEND 2/2] damengine: dw-edma: Add msi wartermark configuration
Date: Fri,  5 Jul 2024 18:57:35 +0800	[thread overview]
Message-ID: <SY4P282MB26243F37A69E54C2B469DFB2F9DF2@SY4P282MB2624.AUSP282.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <cover.1720176660.git.zheng.dongxiong@outlook.com>

HDMA trigger wartermark interrupt, When use the RIE flag.
PCIe RC will trigger AER, If msi wartermark addr is not configuration.
This patch fix it by add msi wartermark configuration

Signed-off-by: zheng.dongxiong <zheng.dongxiong@outlook.com>
---
 drivers/dma/dw-edma/dw-hdma-v0-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/dma/dw-edma/dw-hdma-v0-core.c b/drivers/dma/dw-edma/dw-hdma-v0-core.c
index d77051d1e..c4d15a7a7 100644
--- a/drivers/dma/dw-edma/dw-hdma-v0-core.c
+++ b/drivers/dma/dw-edma/dw-hdma-v0-core.c
@@ -280,6 +280,9 @@ static void dw_hdma_v0_core_ch_config(struct dw_edma_chan *chan)
 	/* MSI done addr - low, high */
 	SET_CH_32(dw, chan->dir, chan->id, msi_stop.lsb, chan->msi.address_lo);
 	SET_CH_32(dw, chan->dir, chan->id, msi_stop.msb, chan->msi.address_hi);
+	/* MSI watermark addr - low, high */
+	SET_CH_32(dw, chan->dir, chan->id, msi_watermark.lsb, chan->msi.address_lo);
+	SET_CH_32(dw, chan->dir, chan->id, msi_watermark.msb, chan->msi.address_hi);
 	/* MSI abort addr - low, high */
 	SET_CH_32(dw, chan->dir, chan->id, msi_abort.lsb, chan->msi.address_lo);
 	SET_CH_32(dw, chan->dir, chan->id, msi_abort.msb, chan->msi.address_hi);
-- 
2.34.1


  parent reply	other threads:[~2024-07-05 10:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1720176660.git.zheng.dongxiong@outlook.com>
2024-07-05 10:57 ` [PATCH RESEND 1/2] dmaengine: dw-edma: Move "Set consumer cycle" into first condition in dw_hdma_v0_core_start() zheng.dongxiong
2024-07-05 14:12   ` Manivannan Sadhasivam
2024-07-06  8:40     ` dongxiong zheng
2024-07-21  8:57       ` Manivannan Sadhasivam
2024-07-05 10:57 ` zheng.dongxiong [this message]
2024-07-05 14:11   ` [PATCH RESEND 2/2] damengine: dw-edma: Add msi wartermark configuration Manivannan Sadhasivam
2024-07-06  7:59     ` dongxiong zheng

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