mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-03-09 15:40:20 +00:00
32 lines
989 B
Diff
32 lines
989 B
Diff
From 3f93e06e535477cdb96d8056f8309288744a3a8d Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.com>
|
|
Date: Mon, 20 Apr 2020 13:41:10 +0100
|
|
Subject: [PATCH] Revert "spi: spidev: Fix CS polarity if GPIO descriptors are
|
|
used"
|
|
|
|
This reverts commit 83b2a8fe43bda0c11981ad6afa5dd0104d78be28.
|
|
---
|
|
drivers/spi/spidev.c | 5 -----
|
|
1 file changed, 5 deletions(-)
|
|
|
|
--- a/drivers/spi/spidev.c
|
|
+++ b/drivers/spi/spidev.c
|
|
@@ -414,7 +414,6 @@ spidev_ioctl(struct file *filp, unsigned
|
|
else
|
|
retval = get_user(tmp, (u32 __user *)arg);
|
|
if (retval == 0) {
|
|
- struct spi_controller *ctlr = spi->controller;
|
|
u32 save = spi->mode;
|
|
|
|
if (tmp & ~SPI_MODE_MASK) {
|
|
@@ -422,10 +421,6 @@ spidev_ioctl(struct file *filp, unsigned
|
|
break;
|
|
}
|
|
|
|
- if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
|
|
- ctlr->cs_gpiods[spi->chip_select])
|
|
- tmp |= SPI_CS_HIGH;
|
|
-
|
|
tmp |= spi->mode & ~SPI_MODE_MASK;
|
|
spi->mode = tmp & SPI_MODE_USER_MASK;
|
|
retval = spi_setup(spi);
|