diff mbox series

[net-next,5/6] tsnep: Support full DMA mask

Message ID 20220803204947.52789-6-gerhard@engleder-embedded.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series tsnep: Various minor driver improvements | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: edumazet@google.com pabeni@redhat.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 13 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Gerhard Engleder Aug. 3, 2022, 8:49 p.m. UTC 
DMA addresses up to 64bit are supported by the device. Configure DMA
mask according to the capabilities of the device.

Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
---
 drivers/net/ethernet/engleder/tsnep_main.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
index 9f8ca6d9a010..415ae6a4b32c 100644
--- a/drivers/net/ethernet/engleder/tsnep_main.c
+++ b/drivers/net/ethernet/engleder/tsnep_main.c
@@ -1239,6 +1239,13 @@  static int tsnep_probe(struct platform_device *pdev)
 	adapter->queue[0].rx = &adapter->rx[0];
 	adapter->queue[0].irq_mask = ECM_INT_TX_0 | ECM_INT_RX_0;
 
+	retval = dma_set_mask_and_coherent(&adapter->pdev->dev,
+					   DMA_BIT_MASK(64));
+	if (retval) {
+		dev_err(&adapter->pdev->dev, "no usable DMA configuration.\n");
+		return retval;
+	}
+
 	tsnep_disable_irq(adapter, ECM_INT_ALL);
 	retval = devm_request_irq(&adapter->pdev->dev, adapter->irq, tsnep_irq,
 				  0, TSNEP, adapter);