[PATCH 29/51] DMA-API: ata: pata_octeon_cf: convert to use dma_coerce_mask_and_coherent()
From: Russell King <hidden>
Date: 2013-09-19 21:54:02
Also in:
alsa-devel, dri-devel, linux-arm-kernel, linux-crypto, linux-devicetree, linux-fbdev, linux-ide, linux-mmc, linux-nvme, linux-omap, linux-samsung-soc, linux-scsi, linux-tegra, linux-wireless, netdev
Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
Convert this code sequence: pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; to use dma_coerce_mask_and_coherent() to avoid bypassing the architecture check on the DMA mask. Signed-off-by: Russell King <redacted> --- drivers/ata/pata_octeon_cf.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index c51bbb9..6231d43 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c@@ -1014,8 +1014,9 @@ static int octeon_cf_probe(struct platform_device *pdev) } cf_port->c0 = ap->ioaddr.ctl_addr; - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; + rv = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (rv) + return ret; ata_port_desc(ap, "cmd %p ctl %p", base, ap->ioaddr.ctl_addr);
--
1.7.4.4