diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.14/009-add_of_mtd_ecc_helpers.patch')
-rw-r--r-- | target/linux/mvebu/patches-3.14/009-add_of_mtd_ecc_helpers.patch | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/target/linux/mvebu/patches-3.14/009-add_of_mtd_ecc_helpers.patch b/target/linux/mvebu/patches-3.14/009-add_of_mtd_ecc_helpers.patch deleted file mode 100644 index dd2dc9427d..0000000000 --- a/target/linux/mvebu/patches-3.14/009-add_of_mtd_ecc_helpers.patch +++ /dev/null @@ -1,84 +0,0 @@ -From 6d9434ebb76157071164b32ad03fbed165c74382 Mon Sep 17 00:00:00 2001 -From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Date: Mon, 24 Feb 2014 19:24:48 -0300 -Subject: of_mtd: Add helpers to get ECC strength and ECC step size - -This commit adds simple helpers to obtain the devicetree properties -that specify the ECC strength and ECC step size to use on a given -NAND controller. - -Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com> -Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> - ---- a/drivers/of/of_mtd.c -+++ b/drivers/of/of_mtd.c -@@ -50,6 +50,40 @@ int of_get_nand_ecc_mode(struct device_n - EXPORT_SYMBOL_GPL(of_get_nand_ecc_mode); - - /** -+ * of_get_nand_ecc_step_size - Get ECC step size associated to -+ * the required ECC strength (see below). -+ * @np: Pointer to the given device_node -+ * -+ * return the ECC step size, or errno in error case. -+ */ -+int of_get_nand_ecc_step_size(struct device_node *np) -+{ -+ int ret; -+ u32 val; -+ -+ ret = of_property_read_u32(np, "nand-ecc-step-size", &val); -+ return ret ? ret : val; -+} -+EXPORT_SYMBOL_GPL(of_get_nand_ecc_step_size); -+ -+/** -+ * of_get_nand_ecc_strength - Get required ECC strength over the -+ * correspnding step size as defined by 'nand-ecc-size' -+ * @np: Pointer to the given device_node -+ * -+ * return the ECC strength, or errno in error case. -+ */ -+int of_get_nand_ecc_strength(struct device_node *np) -+{ -+ int ret; -+ u32 val; -+ -+ ret = of_property_read_u32(np, "nand-ecc-strength", &val); -+ return ret ? ret : val; -+} -+EXPORT_SYMBOL_GPL(of_get_nand_ecc_strength); -+ -+/** - * of_get_nand_bus_width - Get nand bus witdh for given device_node - * @np: Pointer to the given device_node - * ---- a/include/linux/of_mtd.h -+++ b/include/linux/of_mtd.h -@@ -13,6 +13,8 @@ - - #include <linux/of.h> - int of_get_nand_ecc_mode(struct device_node *np); -+int of_get_nand_ecc_step_size(struct device_node *np); -+int of_get_nand_ecc_strength(struct device_node *np); - int of_get_nand_bus_width(struct device_node *np); - bool of_get_nand_on_flash_bbt(struct device_node *np); - -@@ -23,6 +25,16 @@ static inline int of_get_nand_ecc_mode(s - return -ENOSYS; - } - -+static inline int of_get_nand_ecc_step_size(struct device_node *np) -+{ -+ return -ENOSYS; -+} -+ -+static inline int of_get_nand_ecc_strength(struct device_node *np) -+{ -+ return -ENOSYS; -+} -+ - static inline int of_get_nand_bus_width(struct device_node *np) - { - return -ENOSYS; |