ExternalVendorCode/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2025-02-20 09:26:28 +00:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

ramips: remove useless cs gpio code for rt2800 SPI driver

Browse Source 
The SPI driver framework can handle it automatically in
spi.c:spi_setup():spi_set_cs():gpiod_set_value_cansleep().

Signed-off-by: Shiji Yang <yangshiji66@qq.com>
Link: https://github.com/openwrt/openwrt/pull/16636
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Shiji Yang 2024-10-07 23:21:16 +08:00 committed by Hauke Mehrtens
parent 6e40f98208
commit 09a6e4747f
1 changed files with 1 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
target/linux/ramips/patches-6.6/821-SPI-ralink-add-Ralink-SoC-spi-driver.patch
View File

@ -41,7 +41,7 @@ Acked-by: John Crispin <blogic@openwrt.org>
obj-$(CONFIG_SPI_SC18IS602) += spi-sc18is602.o
--- /dev/null
+++ b/drivers/spi/spi-rt2880.c
@@ -0,0 +1,535 @@
@@ -0,0 +1,519 @@
+/*
+ * spi-rt2880.c -- Ralink RT288x/RT305x SPI controller driver
+ *
@ -66,7 +66,6 @@ Acked-by: John Crispin <blogic@openwrt.org>
+#include <linux/reset.h>
+#include <linux/spi/spi.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#define DRIVER_NAME "spi-rt2880"
+
@ -333,18 +332,6 @@ Acked-by: John Crispin <blogic@openwrt.org>
+ return err;
+}
+
+/* copy from spi.c */
+static void spi_set_cs(struct spi_device *spi, bool enable)
+{
+ if (spi->mode & SPI_CS_HIGH)
+ enable = !enable;
+
+ if (spi->cs_gpiod)
+ gpiod_set_value(spi->cs_gpiod, !enable);
+ else if (spi->master->set_cs)
+ spi->master->set_cs(spi, !enable);
+}
+
+static int rt2880_spi_setup(struct spi_device *spi)
+{
+ struct spi_master *master = spi->master;
@ -401,9 +388,6 @@ Acked-by: John Crispin <blogic@openwrt.org>
+ if (reg != old_reg)
+ rt2880_spi_write(rs, arbit_off, reg);
+
+ /* deselected the spi device */
+ spi_set_cs(spi, false);
+
+ rt2880_dump_reg(master);
+
+ return 0;