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Commit 02769968 authored by Ludovic Barre's avatar Ludovic Barre Committed by Ulf Hansson
Browse files

mmc: mmci: add get_next_data callback 



This patch adds get_next_data callback to mmci_host_ops.
Generic mmci_get_next_data factorizes next_cookie check and
the host ops call.

Signed-off-by: default avatarLudovic Barre <ludovic.barre@st.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 47983510

drivers/mmc/host/mmci.c

+10 −6
Original line number Diff line number Diff line
@@ -417,6 +417,14 @@ void mmci_unprep_data(struct mmci_host *host, struct mmc_data *data, 
	data->host_cookie = 0;

}



void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data)

{

	WARN_ON(data->host_cookie && data->host_cookie != host->next_cookie);



	if (host->ops && host->ops->get_next_data)

		host->ops->get_next_data(host, data);

}



static void

mmci_request_end(struct mmci_host *host, struct mmc_request *mrq)

{
@@ -767,7 +775,7 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) 
	return 0;

}



static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data)

void mmci_dmae_get_next_data(struct mmci_host *host, struct mmc_data *data)

{

	struct mmci_dmae_priv *dmae = host->dma_priv;

	struct mmci_dmae_next *next = &dmae->next_data;
@@ -775,7 +783,6 @@ static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) 
	if (!host->use_dma)

		return;



	WARN_ON(data->host_cookie && data->host_cookie != host->next_cookie);

	WARN_ON(!data->host_cookie && (next->desc || next->chan));



	dmae->desc_current = next->desc;
@@ -820,6 +827,7 @@ void mmci_dmae_unprep_data(struct mmci_host *host, 
static struct mmci_host_ops mmci_variant_ops = {

	.prep_data = mmci_dmae_prep_data,

	.unprep_data = mmci_dmae_unprep_data,

	.get_next_data = mmci_dmae_get_next_data,

	.dma_setup = mmci_dmae_setup,

	.dma_release = mmci_dmae_release,

};
@@ -830,10 +838,6 @@ void mmci_variant_init(struct mmci_host *host) 
}

#else

/* Blank functions if the DMA engine is not available */

static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data)

{

}



static inline void mmci_dma_finalize(struct mmci_host *host,

				     struct mmc_data *data)

{

drivers/mmc/host/mmci.h

+2 −0
Original line number Diff line number Diff line
@@ -277,6 +277,7 @@ struct mmci_host_ops { 
			 bool next);

	void (*unprep_data)(struct mmci_host *host, struct mmc_data *data,

			    int err);

	void (*get_next_data)(struct mmci_host *host, struct mmc_data *data);

	int (*dma_setup)(struct mmci_host *host);

	void (*dma_release)(struct mmci_host *host);

};
@@ -335,6 +336,7 @@ int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data, 
			bool next);

void mmci_dmae_unprep_data(struct mmci_host *host, struct mmc_data *data,

			   int err);

void mmci_dmae_get_next_data(struct mmci_host *host, struct mmc_data *data);

int mmci_dmae_setup(struct mmci_host *host);

void mmci_dmae_release(struct mmci_host *host);

drivers/mmc/host/mmci_qcom_dml.c

+1 −0
Original line number Diff line number Diff line
@@ -186,6 +186,7 @@ static int qcom_dma_setup(struct mmci_host *host) 
static struct mmci_host_ops qcom_variant_ops = {

	.prep_data = mmci_dmae_prep_data,

	.unprep_data = mmci_dmae_unprep_data,

	.get_next_data = mmci_dmae_get_next_data,

	.dma_setup = qcom_dma_setup,

	.dma_release = mmci_dmae_release,

};