diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4')
| -rw-r--r-- | target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch index e4c8bc36e5..8caa8e2f4f 100644 --- a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch +++ b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch @@ -5416,3 +5416,65 @@ Signed-off-by: John Crispin <blogic@openwrt.org> /* Initialise write buffer */ init_rwsem(&c->wbuf_sem); +--- a/include/linux/mtd/spi-nor.h ++++ b/include/linux/mtd/spi-nor.h +@@ -85,6 +85,7 @@ + #define SR_BP0 BIT(2) /* Block protect 0 */ + #define SR_BP1 BIT(3) /* Block protect 1 */ + #define SR_BP2 BIT(4) /* Block protect 2 */ ++#define SR_TB BIT(5) /* Top/Bottom protect */ + #define SR_SRWD BIT(7) /* SR write protect */ + + #define SR_QUAD_EN_MX BIT(6) /* Macronix Quad I/O */ +@@ -116,6 +117,7 @@ + + enum spi_nor_option_flags { + SNOR_F_USE_FSR = BIT(0), ++ SNOR_F_HAS_SR_TB = BIT(1), + }; + + /** +@@ -123,7 +125,6 @@ + * @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 +@@ -143,7 +144,8 @@ + * @read: [DRIVER-SPECIFIC] read data from the SPI NOR + * @write: [DRIVER-SPECIFIC] write data to the SPI NOR + * @erase: [DRIVER-SPECIFIC] erase a sector of the SPI NOR +- * at the offset @offs ++ * at the offset @offs; if not provided by the driver, ++ * spi-nor will send the erase opcode via write_reg() + * @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR + * @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR + * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is +@@ -154,7 +156,6 @@ + struct mtd_info mtd; + struct mutex lock; + struct device *dev; +- struct device_node *flash_node; + u32 page_size; + u8 addr_width; + u8 erase_opcode; +@@ -184,6 +185,17 @@ + void *priv; + }; + ++static inline void spi_nor_set_flash_node(struct spi_nor *nor, ++ struct device_node *np) ++{ ++ mtd_set_of_node(&nor->mtd, np); ++} ++ ++static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor) ++{ ++ return mtd_get_of_node(&nor->mtd); ++} ++ + /** + * spi_nor_scan() - scan the SPI NOR + * @nor: the spi_nor structure |