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authorMarek Vasut <marex@denx.de>2016-06-20 15:28:36 +0200
committerZoltan HERPAI <wigyori@uid0.hu>2016-06-20 15:28:36 +0200
commit870678baa7f8b9a65945237704d84d7724f42459 (patch)
tree29dba8a076d9e53752b02f768dcdbe15fa9271cd /target/linux/socfpga/patches-4.4/0009-mtd-spi-nor-drop-flash_node-field.patch
parent8864b97350bde1fffe614df3c0bfc0cb34fb40d4 (diff)
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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-4.4/0009-mtd-spi-nor-drop-flash_node-field.patch')
-rw-r--r--target/linux/socfpga/patches-4.4/0009-mtd-spi-nor-drop-flash_node-field.patch64
1 files changed, 64 insertions, 0 deletions
diff --git a/target/linux/socfpga/patches-4.4/0009-mtd-spi-nor-drop-flash_node-field.patch b/target/linux/socfpga/patches-4.4/0009-mtd-spi-nor-drop-flash_node-field.patch
new file mode 100644
index 0000000000..1da6c949fb
--- /dev/null
+++ b/target/linux/socfpga/patches-4.4/0009-mtd-spi-nor-drop-flash_node-field.patch
@@ -0,0 +1,64 @@
+From 1348b9e2300f66a4ffcb5b467f4c99cfb958ffca Mon Sep 17 00:00:00 2001
+From: Brian Norris <computersforpeace@gmail.com>
+Date: Fri, 30 Oct 2015 20:33:27 -0700
+Subject: [PATCH 09/33] mtd: spi-nor: drop flash_node field
+
+We can just alias to the MTD of_node.
+
+Signed-off-by: Brian Norris <computersforpeace@gmail.com>
+Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
+---
+ drivers/mtd/spi-nor/spi-nor.c | 1 -
+ include/linux/mtd/spi-nor.h | 6 ++----
+ 2 files changed, 2 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
+index b76090e..3e06d5b 100644
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -1256,7 +1256,6 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+ mtd->flags |= MTD_NO_ERASE;
+
+ mtd->dev.parent = dev;
+- mtd_set_of_node(mtd, np);
+ nor->page_size = info->page_size;
+ mtd->writebufsize = nor->page_size;
+
+diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
+index 823c5381..592420b 100644
+--- a/include/linux/mtd/spi-nor.h
++++ b/include/linux/mtd/spi-nor.h
+@@ -123,7 +123,6 @@ enum spi_nor_option_flags {
+ * @mtd: point to a mtd_info structure
+ * @lock: the lock for the read/write/erase/lock/unlock operations
+ * @dev: point to a spi device, or a spi nor controller device.
+- * @flash_node: point to a device node describing this flash instance.
+ * @page_size: the page size of the SPI NOR
+ * @addr_width: number of address bytes
+ * @erase_opcode: the opcode for erasing a sector
+@@ -154,7 +153,6 @@ struct spi_nor {
+ struct mtd_info mtd;
+ struct mutex lock;
+ struct device *dev;
+- struct device_node *flash_node;
+ u32 page_size;
+ u8 addr_width;
+ u8 erase_opcode;
+@@ -187,12 +185,12 @@ struct spi_nor {
+ static inline void spi_nor_set_flash_node(struct spi_nor *nor,
+ struct device_node *np)
+ {
+- nor->flash_node = np;
++ mtd_set_of_node(&nor->mtd, np);
+ }
+
+ static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)
+ {
+- return nor->flash_node;
++ return mtd_get_of_node(&nor->mtd);
+ }
+
+ /**
+--
+2.8.1
+