From cc3545d165d835411bda533f702dd833741e92a2 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Thu, 21 Aug 2014 21:11:04 +0000 Subject: bcm53xx: add bcm53xxspiflash driver for SPI flashes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki SVN-Revision: 42260 --- ...spiflash-try-using-JEDEC-as-one-of-method.patch | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch (limited to 'target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch') diff --git a/target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch b/target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch new file mode 100644 index 0000000..f2bb054 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch @@ -0,0 +1,42 @@ +--- a/drivers/mtd/spi-nor/bcm53xxspiflash.c ++++ b/drivers/mtd/spi-nor/bcm53xxspiflash.c +@@ -173,7 +173,8 @@ static const struct spi_device_id *bcm53 + + /* TODO: Try more ID commands */ + +- return ERR_PTR(-ENODEV); ++ /* Some chips used by Broadcom may actually support JEDEC */ ++ return spi_nor_read_id(nor); + + found_name: + id = spi_nor_match_id(name); +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -629,7 +629,7 @@ const struct spi_device_id spi_nor_ids[] + }; + EXPORT_SYMBOL_GPL(spi_nor_ids); + +-static const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor) ++const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor) + { + int tmp; + u8 id[5]; +@@ -660,6 +660,7 @@ static const struct spi_device_id *spi_n + dev_err(nor->dev, "unrecognized JEDEC id %06x\n", jedec); + return ERR_PTR(-ENODEV); + } ++EXPORT_SYMBOL_GPL(spi_nor_read_id); + + static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, u_char *buf) +--- a/include/linux/mtd/spi-nor.h ++++ b/include/linux/mtd/spi-nor.h +@@ -188,6 +188,8 @@ struct spi_nor { + void *priv; + }; + ++const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor); ++ + /** + * spi_nor_scan() - scan the SPI NOR + * @nor: the spi_nor structure -- cgit v1.1