McSPI driver probe will abort for DT case because of failed platform_get_resource_byname() lookup. Fix it by skipping resource byname lookup for device tree build.
Issue comes out when dma entries are removed from the hwmod data. Signed-off-by: Sricharan R <[email protected]> --- drivers/spi/spi-omap2-mcspi.c | 36 +++++++++++++++++++++--------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index e4829aa..99172d2 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1275,25 +1275,31 @@ static int omap2_mcspi_probe(struct platform_device *pdev) struct resource *dma_res; sprintf(dma_rx_ch_name, "rx%d", i); - dma_res = platform_get_resource_byname(pdev, IORESOURCE_DMA, - dma_rx_ch_name); - if (!dma_res) { - dev_dbg(&pdev->dev, "cannot get DMA RX channel\n"); - status = -ENODEV; - break; + + if (!pdev->dev.of_node) { + dma_res = platform_get_resource_byname(pdev, + IORESOURCE_DMA, dma_rx_ch_name); + if (!dma_res) { + dev_dbg(&pdev->dev, "cannot get DMA RX channel\n"); + status = -ENODEV; + break; + } + mcspi->dma_channels[i].dma_rx_sync_dev = dma_res->start; } - mcspi->dma_channels[i].dma_rx_sync_dev = dma_res->start; sprintf(dma_tx_ch_name, "tx%d", i); - dma_res = platform_get_resource_byname(pdev, IORESOURCE_DMA, - dma_tx_ch_name); - if (!dma_res) { - dev_dbg(&pdev->dev, "cannot get DMA TX channel\n"); - status = -ENODEV; - break; - } - mcspi->dma_channels[i].dma_tx_sync_dev = dma_res->start; + if (!pdev->dev.of_node) { + dma_res = platform_get_resource_byname(pdev, + IORESOURCE_DMA, dma_tx_ch_name); + + if (!dma_res) { + dev_dbg(&pdev->dev, "cannot get DMA TX channel\n"); + status = -ENODEV; + break; + } + mcspi->dma_channels[i].dma_tx_sync_dev = dma_res->start; + } } if (status < 0) -- 1.7.9.5 ------------------------------------------------------------------------------ How ServiceNow helps IT people transform IT departments: 1. A cloud service to automate IT design, transition and operations 2. Dashboards that offer high-level views of enterprise services 3. A single system of record for all IT processes http://p.sf.net/sfu/servicenow-d2d-j _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
