On Fri, Jun 8, 2018 at 9:48 PM Adam Ford aford173@gmail.com wrote:
When enabling BLOCK_CACHE on devices with limited RAM during SPL, some devices may not boot. This creates an option to enable block caching in SPL by defaults off. It is dependant on BLOCK_CACHE and SPL_BLK
Fixes: 46960ad6d09b ("block: Have BLOCK_CACHE default to y in some cases")
Signed-off-by: Adam Ford aford173@gmail.com
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 0792373cfc..8ef363b3d4 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -37,6 +37,13 @@ config BLOCK_CACHE it will prevent repeated reads from directory structures and other filesystem data structures.
+config SPL_BLOCK_CACHE
bool "Use block device cache in SPL"depends on BLOCK_CACHE && SPL_BLKdefault nhelpThis option enables the disk-block cache in SPLconfig IDE bool "Support IDE controllers" select HAVE_BLOCK_DEVICE diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 5fcafb193e..a9af28a552 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -11,4 +11,9 @@ endif
obj-$(CONFIG_IDE) += ide.o obj-$(CONFIG_SANDBOX) += sandbox.o +ifdef CONFIG_SPL_BUILD +obj-$(SPL_BLOCK_CACHE) += blkcache.o
CONFIG_SPL_BLOCK_CACHE?
+endif +ifndef CONFIG_SPL_BUILD obj-$(CONFIG_BLOCK_CACHE) += blkcache.o +endif
Could this all get replaced by:
obj-$(CONFIG_$(SPL_)BLOCK_CACHE) += blkcache.o
diff --git a/include/blk.h b/include/blk.h index fc0c239e46..c17c5eb047 100644 --- a/include/blk.h +++ b/include/blk.h @@ -111,7 +111,8 @@ struct blk_desc { #define PAD_TO_BLOCKSIZE(size, blk_desc) \ (PAD_SIZE(size, blk_desc->blksz))
-#ifdef CONFIG_BLOCK_CACHE +#if (defined(CONFIG_BLOCK_CACHE) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_BLOCK_CACHE) && defined(CONFIG_SPL_BUILD))/**
Replace with CONFIG_IS_ENABLED?
- blkcache_read() - attempt to read a set of blocks from cache
-- 2.17.1
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