[U-Boot] [PATCH v2 2/4] mmc: omap_hsmmc: compile out write support if not needed
Jean-Jacques Hiblot
jjhiblot at ti.com
Fri Feb 23 09:40:17 UTC 2018
This reduces the size of the binary by about 196 bytes.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot at 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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