27c9d80f51
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33 lines
1009 B
Diff
33 lines
1009 B
Diff
From 32e719132bbbbe75a380a23423d74fef8c7b83b1 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Mon, 20 Apr 2020 13:41:10 +0100
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Subject: [PATCH 0057/1085] Revert "spi: spidev: Fix CS polarity if GPIO
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descriptors are used"
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This reverts commit 83b2a8fe43bda0c11981ad6afa5dd0104d78be28.
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---
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drivers/spi/spidev.c | 5 -----
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1 file changed, 5 deletions(-)
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--- a/drivers/spi/spidev.c
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+++ b/drivers/spi/spidev.c
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@@ -424,7 +424,6 @@ spidev_ioctl(struct file *filp, unsigned
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else
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retval = get_user(tmp, (u32 __user *)arg);
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if (retval == 0) {
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- struct spi_controller *ctlr = spi->controller;
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u32 save = spi->mode;
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if (tmp & ~SPI_MODE_MASK) {
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@@ -432,10 +431,6 @@ spidev_ioctl(struct file *filp, unsigned
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break;
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}
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- if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
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- ctlr->cs_gpiods[spi_get_chipselect(spi, 0)])
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- tmp |= SPI_CS_HIGH;
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-
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tmp |= spi->mode & ~SPI_MODE_MASK;
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spi->mode = tmp & SPI_MODE_USER_MASK;
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retval = spi_setup(spi);
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