blob: 758d23181d49eff6afeb35b1fbbd8f36efa2cfca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -137,6 +137,9 @@ static int m25p80_read(struct spi_nor *n
flash->command[0] = nor->read_opcode;
m25p_addr2cmd(nor, from, flash->command);
+ if (dummy == 1)
+ t[0].dummy = true;
+
t[0].type = SPI_TRANSFER_FLASH_READ_CMD;
t[0].tx_buf = flash->command;
t[0].len = m25p_cmdsz(nor) + dummy;
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -260,6 +260,10 @@ static int ath79_spi_do_read_flash_cmd(s
sp->read_addr = 0;
len = t->len - 1;
+
+ if (t->dummy)
+ len -= 1;
+
p = t->tx_buf;
while (len--) {
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -633,6 +633,7 @@ struct spi_transfer {
u16 delay_usecs;
u32 speed_hz;
enum spi_transfer_type type;
+ bool dummy;
struct list_head transfer_list;
};
|
