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https://github.com/openwrt/openwrt.git
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36 lines
831 B
Diff
36 lines
831 B
Diff
--- a/drivers/mtd/devices/m25p80.c
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+++ b/drivers/mtd/devices/m25p80.c
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@@ -142,6 +142,9 @@ static int m25p80_read(struct spi_nor *n
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flash->command[0] = nor->read_opcode;
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m25p_addr2cmd(nor, from, flash->command);
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+ if (dummy == 1)
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+ t[0].dummy = true;
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+
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t[0].type = SPI_TRANSFER_FLASH_READ_CMD;
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t[0].tx_buf = flash->command;
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t[0].len = m25p_cmdsz(nor) + dummy;
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--- a/drivers/spi/spi-ath79.c
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+++ b/drivers/spi/spi-ath79.c
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@@ -260,6 +260,10 @@ static int ath79_spi_do_read_flash_cmd(s
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sp->read_addr = 0;
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len = t->len - 1;
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+
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+ if (t->dummy)
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+ len -= 1;
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+
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p = t->tx_buf;
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while (len--) {
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--- a/include/linux/spi/spi.h
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+++ b/include/linux/spi/spi.h
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@@ -635,6 +635,7 @@ struct spi_transfer {
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u16 delay_usecs;
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u32 speed_hz;
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enum spi_transfer_type type;
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+ bool dummy;
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struct list_head transfer_list;
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};
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