Merge tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:

 - Updates to stm32 dma residue calculations

 - Interleave dma capability to axi-dmac and support for ZynqMP arch

 - Rework of channel assignment for rcar dma

 - Debugfs for pl330 driver

 - Support for Tegra186/Tegra194, refactoring for new chips and support
   for pause/resume

 - Updates to axi-dmac, bcm2835, fsl-edma, idma64, imx-sdma, rcar-dmac,
   stm32-dma etc

 - dev_get_drvdata() updates on few drivers

* tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (34 commits)
  dmaengine: tegra210-adma: restore channel status
  dmaengine: tegra210-dma: free dma controller in remove()
  dmaengine: tegra210-adma: add pause/resume support
  dmaengine: tegra210-adma: add support for Tegra186/Tegra194
  Documentation: DT: Add compatibility binding for Tegra186
  dmaengine: tegra210-adma: prepare for supporting newer Tegra chips
  dmaengine: at_xdmac: remove a stray bottom half unlock
  dmaengine: fsl-edma: Adjust indentation
  dmaengine: fsl-edma: Fix typo in Vybrid name
  dmaengine: stm32-dma: fix residue calculation in stm32-dma
  dmaengine: nbpfaxi: Use dev_get_drvdata()
  dmaengine: bcm-sba-raid: Use dev_get_drvdata()
  dmaengine: stm32-dma: Fix unsigned variable compared with zero
  dmaengine: stm32-dma: use platform_get_irq()
  dmaengine: rcar-dmac: Update copyright information
  dmaengine: imx-sdma: Only check ratio on parts that support 1:1
  dmaengine: xgene-dma: fix spelling mistake "descripto" -> "descriptor"
  dmaengine: idma64: Move driver name to the header
  dmaengine: bcm2835: Drop duplicate capability setting.
  dmaengine: pl330: _stop: clear interrupt status
  ...

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index d31b975dd3fd..284e8d052fc3 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -365,7 +365,7 @@ static bool dw8250_fallback_dma_filter(struct dma_chan *chan, void *param)
 
 static bool dw8250_idma_filter(struct dma_chan *chan, void *param)
 {
-	return param == chan->device->dev->parent;
+	return param == chan->device->dev;
 }
 
 /*
@@ -434,7 +434,7 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
 		data->uart_16550_compatible = true;
 	}
 
-	/* Platforms with iDMA */
+	/* Platforms with iDMA 64-bit */
 	if (platform_get_resource_byname(to_platform_device(p->dev),
 					 IORESOURCE_MEM, "lpss_priv")) {
 		data->dma.rx_param = p->dev->parent;