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path: root/drivers/net/wireless/ti/wlcore/spi.c
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore/spi.c')
-rw-r--r--drivers/net/wireless/ti/wlcore/spi.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c
index 553cd3c..6420aba 100644
--- a/drivers/net/wireless/ti/wlcore/spi.c
+++ b/drivers/net/wireless/ti/wlcore/spi.c
@@ -193,8 +193,8 @@ static int wl12xx_spi_read_busy(struct device *child)
return -ETIMEDOUT;
}
-static void wl12xx_spi_raw_read(struct device *child, int addr, void *buf,
- size_t len, bool fixed)
+static int __must_check wl12xx_spi_raw_read(struct device *child, int addr,
+ void *buf, size_t len, bool fixed)
{
struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent);
struct wl1271 *wl = dev_get_drvdata(child);
@@ -238,7 +238,7 @@ static void wl12xx_spi_raw_read(struct device *child, int addr, void *buf,
if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1) &&
wl12xx_spi_read_busy(child)) {
memset(buf, 0, chunk_len);
- return;
+ return 0;
}
spi_message_init(&m);
@@ -256,10 +256,12 @@ static void wl12xx_spi_raw_read(struct device *child, int addr, void *buf,
buf += chunk_len;
len -= chunk_len;
}
+
+ return 0;
}
-static void wl12xx_spi_raw_write(struct device *child, int addr, void *buf,
- size_t len, bool fixed)
+static int __must_check wl12xx_spi_raw_write(struct device *child, int addr,
+ void *buf, size_t len, bool fixed)
{
struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent);
struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS];
@@ -304,6 +306,8 @@ static void wl12xx_spi_raw_write(struct device *child, int addr, void *buf,
}
spi_sync(to_spi_device(glue->dev), &m);
+
+ return 0;
}
static struct wl1271_if_operations spi_ops = {
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