diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0092-mtd-add-a-helper-to-get-the-supported-features-for-O.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0092-mtd-add-a-helper-to-get-the-supported-features-for-O.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0092-mtd-add-a-helper-to-get-the-supported-features-for-O.patch b/target/linux/mvebu/patches-3.10/0092-mtd-add-a-helper-to-get-the-supported-features-for-O.patch new file mode 100644 index 0000000..7579c16 --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0092-mtd-add-a-helper-to-get-the-supported-features-for-O.patch @@ -0,0 +1,43 @@ +From aeeb6ea6eb18c46f5776dd068989686686cda359 Mon Sep 17 00:00:00 2001 +From: Huang Shijie <shijie8@gmail.com> +Date: Fri, 17 May 2013 11:17:28 +0800 +Subject: [PATCH 092/203] mtd: add a helper to get the supported features for + ONFI nand + +add a helper to get the supported features for ONFI nand. +Also add the neccessary macros. + +Signed-off-by: Huang Shijie <b32955@freescale.com> +Reviewed-and-tested-by: Brian Norris <computersforpeace@gmail.com> +Signed-off-by: Brian Norris <computersforpeace@gmail.com> +Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> +--- + include/linux/mtd/nand.h | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +--- a/include/linux/mtd/nand.h ++++ b/include/linux/mtd/nand.h +@@ -202,6 +202,10 @@ typedef enum { + /* Keep gcc happy */ + struct nand_chip; + ++/* ONFI features */ ++#define ONFI_FEATURE_16_BIT_BUS (1 << 0) ++#define ONFI_FEATURE_EXT_PARAM_PAGE (1 << 7) ++ + /* ONFI timing mode, used in both asynchronous and synchronous mode */ + #define ONFI_TIMING_MODE_0 (1 << 0) + #define ONFI_TIMING_MODE_1 (1 << 1) +@@ -754,6 +758,12 @@ struct platform_nand_chip *get_platform_ + return chip->priv; + } + ++/* return the supported features. */ ++static inline int onfi_feature(struct nand_chip *chip) ++{ ++ return chip->onfi_version ? le16_to_cpu(chip->onfi_params.features) : 0; ++} ++ + /* return the supported asynchronous timing mode. */ + static inline int onfi_get_async_timing_mode(struct nand_chip *chip) + { |