From 9882b5375df532acb2c2399a90d882461112e612 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Fri, 1 Jun 2018 12:03:25 +0200 Subject: [PATCH] mtd: m25p80: Use SPI_MEM_OP_NO_DUMMY instead of SPI_MEM_OP_DUMMY(0, x) SPI_MEM_OP_DUMMY(0, x) means there's 0 dummy bytes to send, which is similar to SPI_MEM_OP_NO_DUMMY except it's less clear. Use SPI_MEM_OP_NO_DUMMY instead of SPI_MEM_OP_DUMMY(0, x) in m25p80_write(). Also stop updating op.dummy.buswidth since this value is only meaningful if you have dummy bytes. Reported-by: Cyrille Pitchen Signed-off-by: Boris Brezillon Acked-by: Marek Vasut --- drivers/mtd/devices/m25p80.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 3fc5ef4..fe260cc 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -68,7 +68,7 @@ static ssize_t m25p80_write(struct spi_nor *nor, loff_t to, size_t len, struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(nor->program_opcode, 1), SPI_MEM_OP_ADDR(nor->addr_width, to, 1), - SPI_MEM_OP_DUMMY(0, 1), + SPI_MEM_OP_NO_DUMMY, SPI_MEM_OP_DATA_OUT(len, buf, 1)); size_t remaining = len; int ret; @@ -76,7 +76,6 @@ static ssize_t m25p80_write(struct spi_nor *nor, loff_t to, size_t len, /* get transfer protocols. */ op.cmd.buswidth = spi_nor_get_protocol_inst_nbits(nor->write_proto); op.addr.buswidth = spi_nor_get_protocol_addr_nbits(nor->write_proto); - op.dummy.buswidth = op.addr.buswidth; op.data.buswidth = spi_nor_get_protocol_data_nbits(nor->write_proto); if (nor->program_opcode == SPINOR_OP_AAI_WP && nor->sst_write_second) -- 2.7.4