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authorJohn Crispin <john@openwrt.org>2015-02-15 19:45:29 +0000
committerJohn Crispin <john@openwrt.org>2015-02-15 19:45:29 +0000
commit7e4b3de2493f024432935e283f5eeb2920957871 (patch)
tree10524efa8132ebe05e93a75a10ef3ca733edea0e /target/linux/ar71xx/patches-3.18/464-spi-ath79-fix-fast-flash-read.patch
parent9b1c7a9de4a2734b701660a9f3720e842626aea3 (diff)
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ar71xx: add v3.18 support
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44456
Diffstat (limited to 'target/linux/ar71xx/patches-3.18/464-spi-ath79-fix-fast-flash-read.patch')
-rw-r--r--target/linux/ar71xx/patches-3.18/464-spi-ath79-fix-fast-flash-read.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.18/464-spi-ath79-fix-fast-flash-read.patch b/target/linux/ar71xx/patches-3.18/464-spi-ath79-fix-fast-flash-read.patch
new file mode 100644
index 0000000000..39f26abc8d
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.18/464-spi-ath79-fix-fast-flash-read.patch
@@ -0,0 +1,35 @@
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -142,6 +142,9 @@
+ 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 @@
+ 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
+@@ -635,6 +635,7 @@
+ u16 delay_usecs;
+ u32 speed_hz;
+ enum spi_transfer_type type;
++ bool dummy;
+
+ struct list_head transfer_list;
+ };