[PATCH 01/14] mmc: mmci: fix qcom dma issue during mmci init with new dma_setup callback
From: Ludovic Barre <hidden>
Date: 2018-08-01 09:38:41
Also in:
linux-arm-kernel, linux-mmc, lkml
Subsystem:
arm primecell mmci pl180/1 driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Russell King, Ulf Hansson, Linus Torvalds
From: Ludovic Barre <redacted>
This patch fixes qcom dma issue during mmci init.
Like init callback of qcom variant is not set, the qcom dma
is not correctly initialized and fail while dma transfer
("buggy DMA detected. Taking evasive action").
Signed-off-by: Ludovic Barre <redacted>
---
drivers/mmc/host/mmci.c | 1 +
drivers/mmc/host/mmci.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 71e9336..1841d250 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c@@ -208,6 +208,7 @@ static struct variant_data variant_qcom = { .mmcimask1 = true, .start_err = MCI_STARTBITERR, .opendrain = MCI_ROD, + .init = qcom_variant_init, }; /* Busy detection for the ST Micro variant */
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 517591d..696a066 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h@@ -338,3 +338,4 @@ struct mmci_host { #endif }; +void qcom_variant_init(struct mmci_host *host);
--
2.7.4