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| author | Marek Vasut <marex@denx.de> | 2016-06-20 15:28:36 +0200 |
|---|---|---|
| committer | Zoltan HERPAI <wigyori@uid0.hu> | 2016-06-20 15:28:36 +0200 |
| commit | 870678baa7f8b9a65945237704d84d7724f42459 (patch) | |
| tree | 29dba8a076d9e53752b02f768dcdbe15fa9271cd /target/linux/socfpga/patches-4.4/0006-mtd-add-get-set-of_node-flash_node-helpers.patch | |
| parent | 8864b97350bde1fffe614df3c0bfc0cb34fb40d4 (diff) | |
| download | master-187ad058-870678baa7f8b9a65945237704d84d7724f42459.tar.gz master-187ad058-870678baa7f8b9a65945237704d84d7724f42459.tar.bz2 master-187ad058-870678baa7f8b9a65945237704d84d7724f42459.zip | |
target: socfpga: Add support for QSPI NOR boot
Add necessary kernel backports to support the Cadence QSPI controller
present on the Altera SoCFPGA SoC.
Signed-off-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'target/linux/socfpga/patches-4.4/0006-mtd-add-get-set-of_node-flash_node-helpers.patch')
| -rw-r--r-- | target/linux/socfpga/patches-4.4/0006-mtd-add-get-set-of_node-flash_node-helpers.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/target/linux/socfpga/patches-4.4/0006-mtd-add-get-set-of_node-flash_node-helpers.patch b/target/linux/socfpga/patches-4.4/0006-mtd-add-get-set-of_node-flash_node-helpers.patch new file mode 100644 index 0000000000..c3415d316c --- /dev/null +++ b/target/linux/socfpga/patches-4.4/0006-mtd-add-get-set-of_node-flash_node-helpers.patch @@ -0,0 +1,87 @@ +From cb0416f4be60979f3fd3e99a9baff17ac9b8381f Mon Sep 17 00:00:00 2001 +From: Brian Norris <computersforpeace@gmail.com> +Date: Fri, 30 Oct 2015 20:33:20 -0700 +Subject: [PATCH 06/33] mtd: add get/set of_node/flash_node helpers + +We are going to begin using the mtd->dev.of_node field for MTD device +nodes, so let's add helpers for it. Also, we'll be making some +conversions on spi_nor (and nand_chip eventually) too, so get that ready +with their own helpers. + +Signed-off-by: Brian Norris <computersforpeace@gmail.com> +Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> +--- + include/linux/mtd/mtd.h | 11 +++++++++++ + include/linux/mtd/nand.h | 11 +++++++++++ + include/linux/mtd/spi-nor.h | 11 +++++++++++ + 3 files changed, 33 insertions(+) + +diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h +index f17fa75..cc84923 100644 +--- a/include/linux/mtd/mtd.h ++++ b/include/linux/mtd/mtd.h +@@ -254,6 +254,17 @@ struct mtd_info { + int usecount; + }; + ++static inline void mtd_set_of_node(struct mtd_info *mtd, ++ struct device_node *np) ++{ ++ mtd->dev.of_node = np; ++} ++ ++static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd) ++{ ++ return mtd->dev.of_node; ++} ++ + int mtd_erase(struct mtd_info *mtd, struct erase_info *instr); + int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, + void **virt, resource_size_t *phys); +diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h +index 5a9d1d4..4f7c9b9 100644 +--- a/include/linux/mtd/nand.h ++++ b/include/linux/mtd/nand.h +@@ -719,6 +719,17 @@ struct nand_chip { + void *priv; + }; + ++static inline void nand_set_flash_node(struct nand_chip *chip, ++ struct device_node *np) ++{ ++ chip->flash_node = np; ++} ++ ++static inline struct device_node *nand_get_flash_node(struct nand_chip *chip) ++{ ++ return chip->flash_node; ++} ++ + /* + * NAND Flash Manufacturer ID Codes + */ +diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h +index 12a4611..823c5381 100644 +--- a/include/linux/mtd/spi-nor.h ++++ b/include/linux/mtd/spi-nor.h +@@ -184,6 +184,17 @@ struct spi_nor { + void *priv; + }; + ++static inline void spi_nor_set_flash_node(struct spi_nor *nor, ++ struct device_node *np) ++{ ++ nor->flash_node = np; ++} ++ ++static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor) ++{ ++ return nor->flash_node; ++} ++ + /** + * spi_nor_scan() - scan the SPI NOR + * @nor: the spi_nor structure +-- +2.8.1 + |