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43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
--- a/drivers/mtd/spi-nor/bcm53xxspiflash.c
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+++ b/drivers/mtd/spi-nor/bcm53xxspiflash.c
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@@ -173,7 +173,8 @@ static const struct spi_device_id *bcm53
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/* TODO: Try more ID commands */
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- return ERR_PTR(-ENODEV);
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+ /* Some chips used by Broadcom may actually support JEDEC */
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+ return spi_nor_read_id(nor);
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found_name:
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id = spi_nor_match_id(name);
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--- a/drivers/mtd/spi-nor/spi-nor.c
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+++ b/drivers/mtd/spi-nor/spi-nor.c
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@@ -629,7 +629,7 @@ const struct spi_device_id spi_nor_ids[]
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};
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EXPORT_SYMBOL_GPL(spi_nor_ids);
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-static const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor)
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+const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor)
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{
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int tmp;
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u8 id[5];
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@@ -660,6 +660,7 @@ static const struct spi_device_id *spi_n
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dev_err(nor->dev, "unrecognized JEDEC id %06x\n", jedec);
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return ERR_PTR(-ENODEV);
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}
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+EXPORT_SYMBOL_GPL(spi_nor_read_id);
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static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
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size_t *retlen, u_char *buf)
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--- a/include/linux/mtd/spi-nor.h
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+++ b/include/linux/mtd/spi-nor.h
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@@ -188,6 +188,8 @@ struct spi_nor {
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void *priv;
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};
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+const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor);
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+
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/**
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* spi_nor_scan() - scan the SPI NOR
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* @nor: the spi_nor structure
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