This reduces the size of the binary by about 196 bytes.

Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
---

Changes in v2: None

 drivers/mmc/omap_hsmmc.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index e0b679a..8b57edc 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -1181,8 +1181,9 @@ static int mmc_read_data(struct hsmmc *mmc_base, char 
*buf, unsigned int size)
        return 0;
 }
 
+#if CONFIG_IS_ENABLED(MMC_WRITE)
 static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
-                               unsigned int size)
+                         unsigned int size)
 {
        unsigned int *input_buf = (unsigned int *)buf;
        unsigned int mmc_stat;
@@ -1235,7 +1236,13 @@ static int mmc_write_data(struct hsmmc *mmc_base, const 
char *buf,
        }
        return 0;
 }
-
+#else
+static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
+                         unsigned int size)
+{
+       return -ENOTSUPP;
+}
+#endif
 static void omap_hsmmc_stop_clock(struct hsmmc *mmc_base)
 {
        writel(readl(&mmc_base->sysctl) & ~CEN_ENABLE, &mmc_base->sysctl);
-- 
1.9.1

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