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Diffstat (limited to 'target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch')
-rw-r--r--target/linux/bcm53xx/patches-3.14/405-mtd-bcm53xxspiflash-try-using-JEDEC-as-one-of-method.patch42
1 files changed, 42 insertions, 0 deletions
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 0000000000..f2bb0542b9
--- /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