mmc: don't support write & erase for SPL builds
For SPL builds this is just dead code since we'll only need to read.
Eliminating it results in a significant size reduction for the SPL
binary, which may be critical for certain platforms where the binary
size is highly constrained.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index bedf833..06280d1 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -34,6 +34,8 @@
COBJS-$(CONFIG_ZYNQ_SDHCI) += zynq_sdhci.o
ifdef CONFIG_SPL_BUILD
COBJS-$(CONFIG_SPL_MMC_BOOT) += fsl_esdhc_spl.o
+else
+COBJS-$(CONFIG_GENERIC_MMC) += mmc_write.o
endif
COBJS := $(COBJS-y)