diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 7 | ||||
| -rw-r--r-- | drivers/mmc/host/mmci.h | 1 | ||||
| -rw-r--r-- | drivers/mmc/host/mmci_qcom_dml.c | 18 | ||||
| -rw-r--r-- | drivers/mmc/host/mmci_qcom_dml.h | 5 |
4 files changed, 20 insertions, 11 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index e907a0a866da..1841d250e9e2 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 */ @@ -417,7 +418,6 @@ static void mmci_init_sg(struct mmci_host *host, struct mmc_data *data) static void mmci_dma_setup(struct mmci_host *host) { const char *rxname, *txname; - struct variant_data *variant = host->variant; host->dma_rx_channel = dma_request_slave_channel(mmc_dev(host->mmc), "rx"); host->dma_tx_channel = dma_request_slave_channel(mmc_dev(host->mmc), "tx"); @@ -465,9 +465,8 @@ static void mmci_dma_setup(struct mmci_host *host) host->mmc->max_seg_size = max_seg_size; } - if (variant->qcom_dml && host->dma_rx_channel && host->dma_tx_channel) - if (dml_hw_init(host, host->mmc->parent->of_node)) - variant->qcom_dml = false; + if (host->ops && host->ops->dma_setup) + host->ops->dma_setup(host); } /* diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index f2eff0cc6934..517591d219e9 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -273,6 +273,7 @@ struct variant_data { /* mmci variant callbacks */ struct mmci_host_ops { + void (*dma_setup)(struct mmci_host *host); }; struct mmci_host_next { diff --git a/drivers/mmc/host/mmci_qcom_dml.c b/drivers/mmc/host/mmci_qcom_dml.c index 00750c9d3514..be3fab5db83f 100644 --- a/drivers/mmc/host/mmci_qcom_dml.c +++ b/drivers/mmc/host/mmci_qcom_dml.c @@ -119,17 +119,20 @@ static int of_get_dml_pipe_index(struct device_node *np, const char *name) } /* Initialize the dml hardware connected to SD Card controller */ -int dml_hw_init(struct mmci_host *host, struct device_node *np) +static void qcom_dma_setup(struct mmci_host *host) { u32 config; void __iomem *base; int consumer_id, producer_id; + struct device_node *np = host->mmc->parent->of_node; consumer_id = of_get_dml_pipe_index(np, "tx"); producer_id = of_get_dml_pipe_index(np, "rx"); - if (producer_id < 0 || consumer_id < 0) - return -ENODEV; + if (producer_id < 0 || consumer_id < 0) { + host->variant->qcom_dml = false; + return; + } base = host->base + DML_OFFSET; @@ -172,6 +175,13 @@ int dml_hw_init(struct mmci_host *host, struct device_node *np) /* Make sure dml initialization is finished */ mb(); +} - return 0; +static struct mmci_host_ops qcom_variant_ops = { + .dma_setup = qcom_dma_setup, +}; + +void qcom_variant_init(struct mmci_host *host) +{ + host->ops = &qcom_variant_ops; } diff --git a/drivers/mmc/host/mmci_qcom_dml.h b/drivers/mmc/host/mmci_qcom_dml.h index 6e405d09d534..fa16f6f4d4ad 100644 --- a/drivers/mmc/host/mmci_qcom_dml.h +++ b/drivers/mmc/host/mmci_qcom_dml.h @@ -16,12 +16,11 @@ #define __MMC_QCOM_DML_H__ #ifdef CONFIG_MMC_QCOM_DML -int dml_hw_init(struct mmci_host *host, struct device_node *np); +void qcom_variant_init(struct mmci_host *host); void dml_start_xfer(struct mmci_host *host, struct mmc_data *data); #else -static inline int dml_hw_init(struct mmci_host *host, struct device_node *np) +static inline void qcom_variant_init(struct mmci_host *host) { - return -ENOSYS; } static inline void dml_start_xfer(struct mmci_host *host, struct mmc_data *data) { |
