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Commit a057d737 authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'spi/fix/bcm63xx', 'spi/fix/doc',...

Merge remote-tracking branches 'spi/fix/bcm63xx', 'spi/fix/doc', 'spi/fix/mediatek' and 'spi/fix/pl022' into spi-linus
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+2 −2
Original line number Diff line number Diff line
@@ -562,8 +562,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
		goto out_clk_disable;
	}

	dev_info(dev, "at 0x%08x (irq %d, FIFOs size %d)\n",
		 r->start, irq, bs->fifo_size);
	dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n",
		 r, irq, bs->fifo_size);

	return 0;

+18 −8
Original line number Diff line number Diff line
@@ -410,7 +410,7 @@ static int mtk_spi_setup(struct spi_device *spi)
	if (!spi->controller_data)
		spi->controller_data = (void *)&mtk_default_chip_info;

	if (mdata->dev_comp->need_pad_sel)
	if (mdata->dev_comp->need_pad_sel && gpio_is_valid(spi->cs_gpio))
		gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));

	return 0;
@@ -632,8 +632,17 @@ static int mtk_spi_probe(struct platform_device *pdev)
			goto err_put_master;
		}

		if (!master->cs_gpios && master->num_chipselect > 1) {
			dev_err(&pdev->dev,
				"cs_gpios not specified and num_chipselect > 1\n");
			ret = -EINVAL;
			goto err_put_master;
		}

		if (master->cs_gpios) {
			for (i = 0; i < master->num_chipselect; i++) {
			ret = devm_gpio_request(&pdev->dev, master->cs_gpios[i],
				ret = devm_gpio_request(&pdev->dev,
							master->cs_gpios[i],
							dev_name(&pdev->dev));
				if (ret) {
					dev_err(&pdev->dev,
@@ -642,6 +651,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
				}
			}
		}
	}

	return 0;

+22 −6
Original line number Diff line number Diff line
@@ -1171,19 +1171,31 @@ static int pl022_dma_probe(struct pl022 *pl022)
static int pl022_dma_autoprobe(struct pl022 *pl022)
{
	struct device *dev = &pl022->adev->dev;
	struct dma_chan *chan;
	int err;

	/* automatically configure DMA channels from platform, normally using DT */
	pl022->dma_rx_channel = dma_request_slave_channel(dev, "rx");
	if (!pl022->dma_rx_channel)
	chan = dma_request_slave_channel_reason(dev, "rx");
	if (IS_ERR(chan)) {
		err = PTR_ERR(chan);
		goto err_no_rxchan;
	}

	pl022->dma_rx_channel = chan;

	pl022->dma_tx_channel = dma_request_slave_channel(dev, "tx");
	if (!pl022->dma_tx_channel)
	chan = dma_request_slave_channel_reason(dev, "tx");
	if (IS_ERR(chan)) {
		err = PTR_ERR(chan);
		goto err_no_txchan;
	}

	pl022->dma_tx_channel = chan;

	pl022->dummypage = kmalloc(PAGE_SIZE, GFP_KERNEL);
	if (!pl022->dummypage)
	if (!pl022->dummypage) {
		err = -ENOMEM;
		goto err_no_dummypage;
	}

	return 0;

@@ -1194,7 +1206,7 @@ static int pl022_dma_autoprobe(struct pl022 *pl022)
	dma_release_channel(pl022->dma_rx_channel);
	pl022->dma_rx_channel = NULL;
err_no_rxchan:
	return -ENODEV;
	return err;
}
		
static void terminate_dma(struct pl022 *pl022)
@@ -2236,6 +2248,10 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)

	/* Get DMA channels, try autoconfiguration first */
	status = pl022_dma_autoprobe(pl022);
	if (status == -EPROBE_DEFER) {
		dev_dbg(dev, "deferring probe to get DMA channel\n");
		goto err_no_irq;
	}

	/* If that failed, use channels from platform_info */
	if (status == 0)
+1 −0
Original line number Diff line number Diff line
@@ -376,6 +376,7 @@ static void spi_drv_shutdown(struct device *dev)

/**
 * __spi_register_driver - register a SPI driver
 * @owner: owner module of the driver to register
 * @sdrv: the driver to register
 * Context: can sleep
 *