openwrt/target/linux/cns3xxx/patches-4.9/075-spi_support.patch
Koen Vandeputte cd54b2d42b kernel: update kernel 4.9 to 4.9.37
- Refreshed all patches
- Removed upstreamed
- Adapted 4 patches:

473-fix-marvell-phy-initialization-issues.patch
-----------------------------------------------
Removed hunk 5 which got upstreamed

403-net-phy-avoid-setting-unsupported-EEE-advertisments.patch
404-net-phy-restart-phy-autonegotiation-after-EEE-advert.patch
--------------------------------------------------------------
Adapted these 2 RFC patches, merging the delta's from an upstream commit
(see below) which made it before these 2.

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-
stable.git/commit/?h=v4.9.36&id=97ace183074d306942b903a148aebd5d061758f0

180-usb-xhci-add-support-for-performing-fake-doorbell.patch
-----------------------------------------------------------
- Moved fake_doorbell bitmask due to new item

Compile tested on: cns3xxx, imx6
Run tested on: cns3xxx, imx6

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2017-07-15 00:13:05 +02:00

52 lines
1.6 KiB
Diff

--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -199,6 +199,13 @@ config SPI_CLPS711X
This enables dedicated general purpose SPI/Microwire1-compatible
master mode interface (SSI1) for CLPS711X-based CPUs.
+config SPI_CNS3XXX
+ tristate "CNS3XXX SPI controller"
+ depends on ARCH_CNS3XXX && SPI_MASTER
+ select SPI_BITBANG
+ help
+ This enables using the CNS3XXX SPI controller in master mode.
+
config SPI_COLDFIRE_QSPI
tristate "Freescale Coldfire QSPI controller"
depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_SPI_BITBANG) += spi-bitban
obj-$(CONFIG_SPI_BUTTERFLY) += spi-butterfly.o
obj-$(CONFIG_SPI_CADENCE) += spi-cadence.o
obj-$(CONFIG_SPI_CLPS711X) += spi-clps711x.o
+obj-$(CONFIG_SPI_CNS3XXX) += spi-cns3xxx.o
obj-$(CONFIG_SPI_COLDFIRE_QSPI) += spi-coldfire-qspi.o
obj-$(CONFIG_SPI_DAVINCI) += spi-davinci.o
obj-$(CONFIG_SPI_DLN2) += spi-dln2.o
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -763,6 +763,10 @@ struct spi_transfer {
u32 speed_hz;
struct list_head transfer_list;
+
+#ifdef CONFIG_ARCH_CNS3XXX
+ unsigned last_in_message_list;
+#endif
};
/**
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -985,6 +985,9 @@ static int spi_transfer_one_message(stru
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
trace_spi_transfer_start(msg, xfer);
+ xfer->last_in_message_list =
+ list_is_last(&xfer->transfer_list, &msg->transfers);
+
spi_statistics_add_transfer_stats(statm, xfer, master);
spi_statistics_add_transfer_stats(stats, xfer, master);