From: Jean-Jacques Hiblot <jjhiblot@ti.com>
Date: Fri, 23 Feb 2018 09:40:17 +0000 (+0100)
Subject: mmc: omap_hsmmc: compile out write support if not needed
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-favicon.png?a=commitdiff_plain;h=c7d08d80c3e792bfbd239b5aafccd5134e91251d;p=u-boot.git

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>
---

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);