diff options
author | Ludovic Barre <ludovic.barre@st.com> | 2018-10-08 14:08:40 +0200 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-09 09:13:03 +0200 |
commit | cfccc6ac005425c4fcb44a4c48a183652751812b (patch) | |
tree | 4999c83fe68d347d169551f57fa4bdae5a96c7ed /drivers/mmc | |
parent | 5a9f10c359e67403e87c48c73eda297d6e5581bf (diff) | |
download | linux-stable-cfccc6ac005425c4fcb44a4c48a183652751812b.tar.gz linux-stable-cfccc6ac005425c4fcb44a4c48a183652751812b.tar.bz2 linux-stable-cfccc6ac005425c4fcb44a4c48a183652751812b.zip |
mmc: mmci: add dma_error callback
This patch adds dma_error callback at mmci_host_ops
to allow to call specific variant.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/host/mmci.c | 26 | ||||
-rw-r--r-- | drivers/mmc/host/mmci.h | 2 | ||||
-rw-r--r-- | drivers/mmc/host/mmci_qcom_dml.c | 1 |
3 files changed, 18 insertions, 11 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 4570042319e9..3d4431babc8c 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -469,6 +469,15 @@ void mmci_dma_finalize(struct mmci_host *host, struct mmc_data *data) host->ops->dma_finalize(host, data); } +void mmci_dma_error(struct mmci_host *host) +{ + if (!host->use_dma) + return; + + if (host->ops && host->ops->dma_error) + host->ops->dma_error(host); +} + static void mmci_request_end(struct mmci_host *host, struct mmc_request *mrq) { @@ -633,11 +642,11 @@ static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data) mmc_get_dma_dir(data)); } -static void mmci_dma_data_error(struct mmci_host *host) +void mmci_dmae_error(struct mmci_host *host) { struct mmci_dmae_priv *dmae = host->dma_priv; - if (!host->use_dma || !dma_inprogress(host)) + if (!dma_inprogress(host)) return; dev_err(mmc_dev(host->mmc), "error during DMA transfer!\n"); @@ -674,7 +683,7 @@ void mmci_dmae_finalize(struct mmci_host *host, struct mmc_data *data) * contiguous buffers. On TX, we'll get a FIFO underrun error. */ if (status & MCI_RXDATAAVLBLMASK) { - mmci_dma_data_error(host); + mmci_dma_error(host); if (!data->error) data->error = -EIO; } else if (!data->host_cookie) { @@ -854,18 +863,13 @@ static struct mmci_host_ops mmci_variant_ops = { .dma_release = mmci_dmae_release, .dma_start = mmci_dmae_start, .dma_finalize = mmci_dmae_finalize, + .dma_error = mmci_dmae_error, }; void mmci_variant_init(struct mmci_host *host) { host->ops = &mmci_variant_ops; } -#else -/* Blank functions if the DMA engine is not available */ -static inline void mmci_dma_data_error(struct mmci_host *host) -{ -} - #endif static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq) @@ -1037,7 +1041,7 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data, u32 remain, success; /* Terminate the DMA transfer */ - mmci_dma_data_error(host); + mmci_dma_error(host); /* * Calculate how far we are into the transfer. Note that @@ -1183,7 +1187,7 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, if ((!sbc && !cmd->data) || cmd->error) { if (host->data) { /* Terminate the DMA transfer */ - mmci_dma_data_error(host); + mmci_dma_error(host); mmci_stop_data(host); } diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 8c1493be3cf9..bcf3e8b901d7 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -282,6 +282,7 @@ struct mmci_host_ops { void (*dma_release)(struct mmci_host *host); int (*dma_start)(struct mmci_host *host, unsigned int *datactrl); void (*dma_finalize)(struct mmci_host *host, struct mmc_data *data); + void (*dma_error)(struct mmci_host *host); }; struct mmci_host { @@ -343,3 +344,4 @@ int mmci_dmae_setup(struct mmci_host *host); void mmci_dmae_release(struct mmci_host *host); int mmci_dmae_start(struct mmci_host *host, unsigned int *datactrl); void mmci_dmae_finalize(struct mmci_host *host, struct mmc_data *data); +void mmci_dmae_error(struct mmci_host *host); diff --git a/drivers/mmc/host/mmci_qcom_dml.c b/drivers/mmc/host/mmci_qcom_dml.c index c2ef73f5f0a7..25d0a75533ea 100644 --- a/drivers/mmc/host/mmci_qcom_dml.c +++ b/drivers/mmc/host/mmci_qcom_dml.c @@ -191,6 +191,7 @@ static struct mmci_host_ops qcom_variant_ops = { .dma_release = mmci_dmae_release, .dma_start = mmci_dmae_start, .dma_finalize = mmci_dmae_finalize, + .dma_error = mmci_dmae_error, }; void qcom_variant_init(struct mmci_host *host) |