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 09/23] mmc: mmci: add validate_data callback
Date
From: Ludovic Barre <ludovic.barre@st.com>

This patch adds validate_data callback at mmci_host_ops
to check specific constraints of variant.
Move mmci_validate_data function to regroup mmci_host_ops interfaces.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
---
drivers/mmc/host/mmci.c | 39 +++++++++++++++++++++------------------
drivers/mmc/host/mmci.h | 1 +
2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 3d4431b..91ef2ede 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -239,24 +239,6 @@ static int mmci_card_busy(struct mmc_host *mmc)
return busy;
}

-/*
- * Validate mmc prerequisites
- */
-static int mmci_validate_data(struct mmci_host *host,
- struct mmc_data *data)
-{
- if (!data)
- return 0;
-
- if (!is_power_of_2(data->blksz)) {
- dev_err(mmc_dev(host->mmc),
- "unsupported block size (%d bytes)\n", data->blksz);
- return -EINVAL;
- }
-
- return 0;
-}
-
static void mmci_reg_delay(struct mmci_host *host)
{
/*
@@ -392,6 +374,27 @@ void mmci_dma_setup(struct mmci_host *host)
host->use_dma = true;
}

+/*
+ * Validate mmc prerequisites
+ */
+static int mmci_validate_data(struct mmci_host *host,
+ struct mmc_data *data)
+{
+ if (!data)
+ return 0;
+
+ if (!is_power_of_2(data->blksz)) {
+ dev_err(mmc_dev(host->mmc),
+ "unsupported block size (%d bytes)\n", data->blksz);
+ return -EINVAL;
+ }
+
+ if (host->ops && host->ops->validate_data)
+ return host->ops->validate_data(host, data);
+
+ return 0;
+}
+
int mmci_prep_data(struct mmci_host *host, struct mmc_data *data, bool next)
{
int err;
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index bcf3e8b..ed59baf 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 {
+ int (*validate_data)(struct mmci_host *host, struct mmc_data *data);
int (*prep_data)(struct mmci_host *host, struct mmc_data *data,
bool next);
void (*unprep_data)(struct mmci_host *host, struct mmc_data *data,
--
2.7.4
\
 
 \ /
  Last update: 2018-10-08 14:13    [W:0.171 / U:0.732 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site