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net: stmmac: Restrict warning on disabling DMA store and fwd mode

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commit 05d7623a89 upstream.

When setting 'snps,force_thresh_dma_mode' DT property, the following
warning is always emitted, regardless the status of force_sf_dma_mode:

dwmac-starfive 10020000.ethernet: force_sf_dma_mode is ignored if force_thresh_dma_mode is set.

Do not print the rather misleading message when DMA store and forward
mode is already disabled.

Fixes: e2a240c7d3 ("driver:net:stmmac: Disable DMA store and forward mode if platform data force_thresh_dma_mode is set.")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230210202126.877548-1-cristian.ciocaltea@collabora.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cristian Ciocaltea 2023-02-10 22:21:26 +02:00 • committed by Justin Hammond
parent 44bcebe200
commit 93d0c91f47
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
View file

@ -558,7 +558,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst");
plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
if (plat->force_thresh_dma_mode) {
if (plat->force_thresh_dma_mode && plat->force_sf_dma_mode) {
plat->force_sf_dma_mode = 0;
dev_warn(&pdev->dev,
"force_sf_dma_mode is ignored if force_thresh_dma_mode is set.\n");