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| author |   Ludovic Barre <ludovic.barre@st.com> | 2018-10-08 14:08:35 +0200 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-09 09:13:03 +0200 |
| commit | ad7b8918dbb2ded346e7f4372e476ab79eefadca (patch) | |
| tree | 7c4817e1f8a1ff8c3a02abb7a328582a674d69a2 /drivers/mmc | |
| parent | mmc: mmci: introduce dma_priv pointer to mmci_host (diff) | |
| download | linux-dev-ad7b8918dbb2ded346e7f4372e476ab79eefadca.tar.xz linux-dev-ad7b8918dbb2ded346e7f4372e476ab79eefadca.zip | |
mmc: mmci: merge prepare data functions
This patch merges the prepare data functions.
This allows to define a single access to prepare data service.
This prepares integration for mmci host ops.
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 | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 922a47b5c7b9..f862a1bba358 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -683,10 +683,14 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data, } static inline int mmci_dma_prep_data(struct mmci_host *host, - struct mmc_data *data) + struct mmc_data *data, + bool next) { struct mmci_dmae_priv *dmae = host->dma_priv; + struct mmci_dmae_next *nd = &dmae->next_data; + if (next) + return __mmci_dma_prep_data(host, data, &nd->chan, &nd->desc); /* Check if next job is already prepared. */ if (dmae->cur && dmae->desc_current) return 0; @@ -696,15 +700,6 @@ static inline int mmci_dma_prep_data(struct mmci_host *host, &dmae->desc_current); } -static inline int mmci_dma_prep_next(struct mmci_host *host, - struct mmc_data *data) -{ - struct mmci_dmae_priv *dmae = host->dma_priv; - struct mmci_dmae_next *nd = &dmae->next_data; - - return __mmci_dma_prep_data(host, data, &nd->chan, &nd->desc); -} - static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) { int ret; @@ -714,7 +709,7 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) if (!host->use_dma) return -EINVAL; - ret = mmci_dma_prep_data(host, host->data); + ret = mmci_dma_prep_data(host, host->data, false); if (ret) return ret; @@ -774,7 +769,7 @@ static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq) if (mmci_validate_data(host, data)) return; - if (!mmci_dma_prep_next(host, data)) + if (!mmci_dma_prep_data(host, data, true)) data->host_cookie = ++host->next_cookie < 0 ? 1 : host->next_cookie; } |