msm8916-openwrt/target/linux/bcm27xx/patches-6.6/950-0057-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch
Álvaro Fernández Rojas 8c405cdccc bcm27xx: add 6.6 kernel patches
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.34..rpi-6.1.y

Some patches needed rebasing and, as usual, the applied and reverted, wireless
drivers, Github workflows, READMEs and defconfigs patches were removed.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-06-18 18:52:49 +02:00

33 lines
1009 B
Diff

From 32e719132bbbbe75a380a23423d74fef8c7b83b1 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Mon, 20 Apr 2020 13:41:10 +0100
Subject: [PATCH 0057/1085] 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
@@ -424,7 +424,6 @@ 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) {
@@ -432,10 +431,6 @@ spidev_ioctl(struct file *filp, unsigned
break;
}
- if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
- ctlr->cs_gpiods[spi_get_chipselect(spi, 0)])
- tmp |= SPI_CS_HIGH;
-
tmp |= spi->mode & ~SPI_MODE_MASK;
spi->mode = tmp & SPI_MODE_USER_MASK;
retval = spi_setup(spi);