From 21f0a239ecab4b6765269af78904512358beb802 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Thu, 6 Jan 2022 22:49:20 +0100 Subject: fpga: dfl: pci: Remove usage of the deprecated "pci-dma-compat.h" API In [1], Christoph Hellwig has proposed to remove the wrappers in include/linux/pci-dma-compat.h. Some reasons why this API should be removed have been given by Julia Lawall in [2]. A coccinelle script has been used to perform the needed transformation. It can be found in [3]. It has been hand modified to use 'dma_set_mask_and_coherent()' instead of 'pci_set_dma_mask()/pci_set_consistent_dma_mask()' when applicable. This is less verbose. The explicit 'ret = -EIO;' has been removed because 'dma_set_mask_and_coherent()' returns 0 or -EIO, so its return code can be used directly. [1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/ [2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/ [3]: https://lore.kernel.org/kernel-janitors/20200716192821.321233-1-christophe.jaillet@wanadoo.fr/ Reviewed-by: Xu Yilun Reviewed-by: Christoph Hellwig Reviewed-by: Arnd Bergmann Signed-off-by: Christophe JAILLET Signed-off-by: Moritz Fischer --- drivers/fpga/dfl-pci.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) (limited to 'drivers/fpga') diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c index 4d68719e608f..717ac9715970 100644 --- a/drivers/fpga/dfl-pci.c +++ b/drivers/fpga/dfl-pci.c @@ -15,6 +15,7 @@ */ #include +#include #include #include #include @@ -354,16 +355,10 @@ int cci_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *pcidevid) pci_set_master(pcidev); - if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) { - ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64)); - if (ret) - goto disable_error_report_exit; - } else if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) { - ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); - if (ret) - goto disable_error_report_exit; - } else { - ret = -EIO; + ret = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64)); + if (ret) + ret = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)); + if (ret) { dev_err(&pcidev->dev, "No suitable DMA support available.\n"); goto disable_error_report_exit; } -- cgit v1.2.3