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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-16 23:40:32 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-17 15:11:22 +0200 |
| commit | 20ea6adbf199097c4f5f591ffee088340630dae4 (patch) | |
| tree | d6719d95e136611a1c25bbf7789652d6d402779d /target/linux/bcm27xx/patches-5.15/950-0028-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch | |
| parent | bca05bd072180dc38ef740b37ded9572a6db1981 (diff) | |
| download | upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.gz upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.bz2 upstream-20ea6adbf199097c4f5f591ffee088340630dae4.zip | |
bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0028-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0028-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0028-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch b/target/linux/bcm27xx/patches-5.15/950-0028-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch new file mode 100644 index 0000000000..c66bb9d621 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0028-Revert-spi-spidev-Fix-CS-polarity-if-GPIO-descriptor.patch @@ -0,0 +1,32 @@ +From 7b6b90b399056144655b7651e44c46466044709b 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 +@@ -402,7 +402,6 @@ 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) { +@@ -410,10 +409,6 @@ 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 = (u16)tmp; + retval = spi_setup(spi); |