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| author | Ricardo Ribalda <ribalda@chromium.org> | 2023-10-27 14:28:20 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-03 09:32:12 +0300 |
| commit | fc7b2fe267697b3e1471660bfd30d8aa4f56dc06 (patch) | |
| tree | 86ac08ffdf41e86b92c4111b789f8921f8f2a296 | |
| parent | 92b9eca53de8d67c9251d04b530ab1797e3e64f8 (diff) | |
| download | linux-fc7b2fe267697b3e1471660bfd30d8aa4f56dc06.tar.xz | |
usb: dwc3: set the dma max_seg_size
commit 8bbae288a85abed6a1cf7d185d8b9dc2f5dcb12c upstream.
Allow devices to have dma operations beyond 4K, and avoid warnings such
as:
DMA-API: dwc3 a600000.usb: mapping sg segment longer than device claims to support [len=86016] [max=65536]
Cc: stable@vger.kernel.org
Fixes: 72246da40f37 ("usb: Introduce DesignWare USB3 DRD Driver")
Reported-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20231026-dwc3-v2-1-1d4fd5c3e067@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/dwc3/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index a811db88eeda..1f23c96fa94f 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -2036,6 +2036,8 @@ static int dwc3_probe(struct platform_device *pdev) pm_runtime_put(dev); + dma_set_max_seg_size(dev, UINT_MAX); + return 0; err5: |