--- zzzz-none-000/linux-4.4.60/include/linux/spi/spi.h	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-1750e-727/linux-4.4.60/include/linux/spi/spi.h	2021-02-04 17:41:59.000000000 +0000
@@ -578,6 +578,12 @@
 
 /*---------------------------------------------------------------------------*/
 
+enum spi_transfer_type {
+	SPI_TRANSFER_GENERIC = 0,
+	SPI_TRANSFER_FLASH_READ_CMD,
+	SPI_TRANSFER_FLASH_READ_DATA,
+};
+
 /*
  * I/O INTERFACE between SPI controller and protocol drivers
  *
@@ -690,12 +696,16 @@
 	unsigned	cs_change:1;
 	unsigned	tx_nbits:3;
 	unsigned	rx_nbits:3;
+	unsigned	verify:1;
+	unsigned	fast_write:1;
 #define	SPI_NBITS_SINGLE	0x01 /* 1bit transfer */
 #define	SPI_NBITS_DUAL		0x02 /* 2bits transfer */
 #define	SPI_NBITS_QUAD		0x04 /* 4bits transfer */
 	u8		bits_per_word;
 	u16		delay_usecs;
 	u32		speed_hz;
+	enum spi_transfer_type type;
+	bool dummy;
 
 	struct list_head transfer_list;
 };
@@ -735,6 +745,7 @@
 	struct spi_device	*spi;
 
 	unsigned		is_dma_mapped:1;
+	unsigned		fast_read:1;
 
 	/* REVISIT:  we might want a flag affecting the behavior of the
 	 * last transfer ... allowing things like "read 16 bit length L"