diff mbox series

[net,1/1] net: stmmac: fix incorrect DMA channel intr enable setting of EQoS v4.10

Message ID 20210303150840.30024-1-ramesh.babu.b@intel.com (mailing list archive)
State New, archived
Headers show
Series [net,1/1] net: stmmac: fix incorrect DMA channel intr enable setting of EQoS v4.10 | expand

Commit Message

ramesh.babu.b@intel.com March 3, 2021, 3:08 p.m. UTC
From: Ong Boon Leong <boon.leong.ong@intel.com>

We introduce dwmac410_dma_init_channel() here for both EQoS v4.10 and
above which use different DMA_CH(n)_Interrupt_Enable bit definitions for
NIE and AIE.

Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx")
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Ramesh Babu B <ramesh.babu.b@intel.com>
---
 .../net/ethernet/stmicro/stmmac/dwmac4_dma.c  | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

Comments

patchwork-bot+netdevbpf@kernel.org March 3, 2021, 5 p.m. UTC | #1
Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed,  3 Mar 2021 20:38:40 +0530 you wrote:
> From: Ong Boon Leong <boon.leong.ong@intel.com>
> 
> We introduce dwmac410_dma_init_channel() here for both EQoS v4.10 and
> above which use different DMA_CH(n)_Interrupt_Enable bit definitions for
> NIE and AIE.
> 
> Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx")
> Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
> Signed-off-by: Ramesh Babu B <ramesh.babu.b@intel.com>
> 
> [...]

Here is the summary with links:
  - [net,1/1] net: stmmac: fix incorrect DMA channel intr enable setting of EQoS v4.10
    https://git.kernel.org/netdev/net/c/879c348c35bb

You are awesome, thank you!
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diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index bb29bfcd62c3..62aa0e95beb7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -124,6 +124,23 @@  static void dwmac4_dma_init_channel(void __iomem *ioaddr,
 	       ioaddr + DMA_CHAN_INTR_ENA(chan));
 }
 
+static void dwmac410_dma_init_channel(void __iomem *ioaddr,
+				      struct stmmac_dma_cfg *dma_cfg, u32 chan)
+{
+	u32 value;
+
+	/* common channel control register config */
+	value = readl(ioaddr + DMA_CHAN_CONTROL(chan));
+	if (dma_cfg->pblx8)
+		value = value | DMA_BUS_MODE_PBL;
+
+	writel(value, ioaddr + DMA_CHAN_CONTROL(chan));
+
+	/* Mask interrupts by writing to CSR7 */
+	writel(DMA_CHAN_INTR_DEFAULT_MASK_4_10,
+	       ioaddr + DMA_CHAN_INTR_ENA(chan));
+}
+
 static void dwmac4_dma_init(void __iomem *ioaddr,
 			    struct stmmac_dma_cfg *dma_cfg, int atds)
 {
@@ -523,7 +540,7 @@  const struct stmmac_dma_ops dwmac4_dma_ops = {
 const struct stmmac_dma_ops dwmac410_dma_ops = {
 	.reset = dwmac4_dma_reset,
 	.init = dwmac4_dma_init,
-	.init_chan = dwmac4_dma_init_channel,
+	.init_chan = dwmac410_dma_init_channel,
 	.init_rx_chan = dwmac4_dma_init_rx_chan,
 	.init_tx_chan = dwmac4_dma_init_tx_chan,
 	.axi = dwmac4_dma_axi,