From bf6634339afa3dfcd2c00c183a04f7f1f09bc337 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 23 May 2016 12:16:29 +0200 Subject: [PATCH] ramips: fix timing issues when using MT7621 spi Signed-off-by: John Crispin --- .../ramips/patches-4.4/0043-spi-add-mt7621-support.patch | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/target/linux/ramips/patches-4.4/0043-spi-add-mt7621-support.patch b/target/linux/ramips/patches-4.4/0043-spi-add-mt7621-support.patch index 7b264b61f8..e0b63901ee 100644 --- a/target/linux/ramips/patches-4.4/0043-spi-add-mt7621-support.patch +++ b/target/linux/ramips/patches-4.4/0043-spi-add-mt7621-support.patch @@ -13,7 +13,7 @@ Signed-off-by: John Crispin --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig -@@ -483,6 +483,12 @@ config SPI_RT2880 +@@ -483,6 +483,12 @@ help This selects a driver for the Ralink RT288x/RT305x SPI Controller. @@ -28,7 +28,7 @@ Signed-off-by: John Crispin depends on ARCH_S3C24XX --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile -@@ -51,6 +51,7 @@ obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mp +@@ -51,6 +51,7 @@ obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o obj-$(CONFIG_SPI_MT65XX) += spi-mt65xx.o @@ -38,7 +38,7 @@ Signed-off-by: John Crispin obj-$(CONFIG_SPI_OC_TINY) += spi-oc-tiny.o --- /dev/null +++ b/drivers/spi/spi-mt7621.c -@@ -0,0 +1,480 @@ +@@ -0,0 +1,483 @@ +/* + * spi-mt7621.c -- MediaTek MT7621 SPI controller driver + * @@ -240,6 +240,9 @@ Signed-off-by: John Crispin + if (!buf) + continue; + ++ if (t->speed_hz < speed) ++ speed = t->speed_hz; ++ + if (WARN_ON(len + t->len > 36)) { + status = -EIO; + goto msg_done;