[PATCH 1/2] HID: amd_sfh: Set correct DMA mask
flat view
STALE1897d
From: Dylan MacKenzie <hidden>
Date: 2021-06-22 00:15:48
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Subsystem:
amd sensor fusion hub driver, hid core layer, the rest · Maintainers:
Basavaraj Natikar, Jiri Kosina, Benjamin Tissoires, Linus Torvalds
The AMDSFH driver uses coherent DMA allocations, but only sets the streaming DMA mask. As a result, the kernel can't make use of the full address space supported by the device. Signed-off-by: Dylan MacKenzie <redacted> --- drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
index ddecc84fd6f..c2de650cd8e 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c@@ -155,9 +155,9 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i privdata->mmio = pcim_iomap_table(pdev)[2]; pci_set_master(pdev); - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); if (rc) { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); return rc; } rc = devm_add_action_or_reset(&pdev->dev, amd_mp2_pci_remove, privdata);
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2.31.1