Commit eb4ed8e2 authored by Nicolas Ferre's avatar Nicolas Ferre Committed by David S. Miller

net: macb: disable scatter-gather for macb on sama5d3

Create a new configuration for the sama5d3-macb new compatibility string.
This configuration disables scatter-gather because we experienced lock down
of the macb interface of this particular SoC under very high load.
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 41948ccb
...@@ -3837,6 +3837,13 @@ static const struct macb_config at91sam9260_config = { ...@@ -3837,6 +3837,13 @@ static const struct macb_config at91sam9260_config = {
.init = macb_init, .init = macb_init,
}; };
static const struct macb_config sama5d3macb_config = {
.caps = MACB_CAPS_SG_DISABLED
| MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
.clk_init = macb_clk_init,
.init = macb_init,
};
static const struct macb_config pc302gem_config = { static const struct macb_config pc302gem_config = {
.caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE, .caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
.dma_burst_length = 16, .dma_burst_length = 16,
...@@ -3904,6 +3911,7 @@ static const struct of_device_id macb_dt_ids[] = { ...@@ -3904,6 +3911,7 @@ static const struct of_device_id macb_dt_ids[] = {
{ .compatible = "cdns,gem", .data = &pc302gem_config }, { .compatible = "cdns,gem", .data = &pc302gem_config },
{ .compatible = "atmel,sama5d2-gem", .data = &sama5d2_config }, { .compatible = "atmel,sama5d2-gem", .data = &sama5d2_config },
{ .compatible = "atmel,sama5d3-gem", .data = &sama5d3_config }, { .compatible = "atmel,sama5d3-gem", .data = &sama5d3_config },
{ .compatible = "atmel,sama5d3-macb", .data = &sama5d3macb_config },
{ .compatible = "atmel,sama5d4-gem", .data = &sama5d4_config }, { .compatible = "atmel,sama5d4-gem", .data = &sama5d4_config },
{ .compatible = "cdns,at91rm9200-emac", .data = &emac_config }, { .compatible = "cdns,at91rm9200-emac", .data = &emac_config },
{ .compatible = "cdns,emac", .data = &emac_config }, { .compatible = "cdns,emac", .data = &emac_config },
......
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