diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2018-01-04 15:23:32 +0100 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-12 18:11:24 +0900 |
| commit | d6400c3f8520bb9a203fe397039279c80f093c27 (patch) | |
| tree | 4b6aa1319eefc5fb45162cede548c951902d12f6 /drivers/mmc | |
| parent | 58a6fb7b04963d1bf353b66e27f3084037babd6c (diff) | |
mmc: add a Kconfig option to enable the support for MMC write operations
This allows using CONFIG_IS_ENABLED(MMC_WRITE) to compile out code
needed only if write support is required.
The option is added for u-boot and for SPL
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/mmc/Makefile | 4 | ||||
| -rw-r--r-- | drivers/mmc/mmc-uclass.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/mmc_private.h | 4 |
4 files changed, 11 insertions, 6 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index d196eed540..ab0627a8af 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -10,6 +10,13 @@ config MMC If you want MMC/SD/SDIO support, you should say Y here and also to your specific host controller driver. +config MMC_WRITE + bool "support for MMC/SD write operations" + depends on MMC + default y + help + Enable write access to MMC and SD Cards + config DM_MMC bool "Enable MMC controllers using Driver Model" depends on DM diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 9af375b044..64b6f21c61 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -7,6 +7,7 @@ obj-y += mmc.o obj-$(CONFIG_$(SPL_)DM_MMC) += mmc-uclass.o +obj-$(CONFIG_$(SPL_)MMC_WRITE) += mmc_write.o ifndef CONFIG_$(SPL_)BLK obj-y += mmc_legacy.o @@ -16,9 +17,6 @@ obj-$(CONFIG_SUPPORT_EMMC_BOOT) += mmc_boot.o ifdef CONFIG_SPL_BUILD obj-$(CONFIG_SPL_MMC_BOOT) += fsl_esdhc_spl.o -obj-$(CONFIG_SPL_SAVEENV) += mmc_write.o -else -obj-y += mmc_write.o endif obj-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 793196bfec..26c6ab7ad1 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -370,7 +370,7 @@ static int mmc_blk_probe(struct udevice *dev) static const struct blk_ops mmc_blk_ops = { .read = mmc_bread, -#ifndef CONFIG_SPL_BUILD +#if CONFIG_IS_ENABLED(MMC_WRITE) .write = mmc_bwrite, .erase = mmc_berase, #endif diff --git a/drivers/mmc/mmc_private.h b/drivers/mmc/mmc_private.h index 1290eed590..a9be4b0102 100644 --- a/drivers/mmc/mmc_private.h +++ b/drivers/mmc/mmc_private.h @@ -28,7 +28,7 @@ ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt, void *dst); #endif -#if !(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SAVEENV)) +#if CONFIG_IS_ENABLED(MMC_WRITE) #if CONFIG_IS_ENABLED(BLK) ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, @@ -40,7 +40,7 @@ ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt, ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt); #endif -#else /* CONFIG_SPL_BUILD and CONFIG_SPL_SAVEENV is not defined */ +#else /* CONFIG_SPL_MMC_WRITE is not defined */ /* declare dummies to reduce code size. */ |