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git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-12 01:44:54 +00:00
40 lines
1004 B
Diff
40 lines
1004 B
Diff
--- a/drivers/mtd/devices/m25p80.c
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+++ b/drivers/mtd/devices/m25p80.c
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@@ -310,11 +310,21 @@ static const struct spi_device_id m25p_i
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};
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MODULE_DEVICE_TABLE(spi, m25p_ids);
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+static const struct of_device_id m25p_of_table[] = {
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+ /*
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+ * Generic compatibility for SPI NOR that can be identified by the
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+ * JEDEC READ ID opcode (0x9F). Use this, if possible.
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+ */
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+ { .compatible = "jedec,spi-nor" },
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+ {}
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+};
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+MODULE_DEVICE_TABLE(of, m25p_of_table);
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static struct spi_driver m25p80_driver = {
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.driver = {
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.name = "m25p80",
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.owner = THIS_MODULE,
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+ .of_match_table = m25p_of_table,
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},
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.id_table = m25p_ids,
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.probe = m25p_probe,
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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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@@ -927,8 +927,11 @@ int spi_nor_scan(struct spi_nor *nor, co
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if (ret)
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return ret;
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- id = spi_nor_match_id(name);
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+ if (name)
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+ id = spi_nor_match_id(name);
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if (!id)
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+ id = nor->read_id(nor);
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+ if (IS_ERR_OR_NULL(id))
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return -ENOENT;
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info = (void *)id->driver_data;
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