lkml.org 
[lkml]   [2018]   [Oct]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V6 03/23] mmc: mmci: merge prepare data functions
Date
From: Ludovic Barre <ludovic.barre@st.com>

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>
---
drivers/mmc/host/mmci.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 922a47b..f862a1b 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;
}
--
2.7.4
\
 
 \ /
  Last update: 2018-10-08 14:13    [W:0.136 / U:3.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site