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mmc: sdhci-of-dwcmshc: Fix DMA 128MB boundary for Eswin EIC7700

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This DWC MSHC has a 128MB limitation where the data buffer size and start
address must not exceed the 128MB boundary. Registering the missing
'adma_write_desc' callback function.

Signed-off-by: Huan He <hehuan1@eswincomputing.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: 32b2633219 ("mmc: sdhci-of-dwcmshc: Add support for Eswin EIC7700")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Huan He
2026-01-14 20:22:56 +08:00
committed by Ulf Hansson
parent fd9809ec67
commit 5cfc828502
1 changed files with 1 additions and 0 deletions
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drivers/mmc/host/sdhci-of-dwcmshc.c
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@@ -1739,6 +1739,7 @@ static const struct sdhci_ops sdhci_dwcmshc_eic7700_ops = {
.set_uhs_signaling = sdhci_eic7700_set_uhs_wrapper,
.set_power = sdhci_set_power_and_bus_voltage,
.irq = dwcmshc_cqe_irq_handler,
.adma_write_desc = dwcmshc_adma_write_desc,
.platform_execute_tuning = sdhci_eic7700_executing_tuning,
};