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/host/mmci.c | |
parent | 5a9f10c359e67403e87c48c73eda297d6e5581bf (diff) | |
download | linux-cfccc6ac005425c4fcb44a4c48a183652751812b.tar.bz2 |
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/host/mmci.c')
-rw-r--r-- | drivers/mmc/host/mmci.c | 26 |
1 files changed, 15 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); } |