From c7d08d80c3e792bfbd239b5aafccd5134e91251d Mon Sep 17 00:00:00 2001
From: Jean-Jacques Hiblot <jjhiblot@ti.com>
Date: Fri, 23 Feb 2018 10:40:17 +0100
Subject: [PATCH] mmc: omap_hsmmc: compile out write support if not needed
This reduces the size of the binary by about 196 bytes.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Tested-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---
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 e0b679aa2c..8b57edc14a 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);
--
2.39.5