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ca478cc4e5
* sunxi-5.17: Fix include uapi spi spidev module * add a compatible string alias "spi-dev" for spidev module * overlay: Change the string compatible "spidev" to "spi-dev" * remove unused patches * drv: spi: spidev: fix header uapi * Add alias "spi-dev" for module spidev Add the armbian alias "spi-dev" to load and initialize the spidev module from the device tree. * Move patches for orangepi3-lts to series * Remove unused patches
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
From 2653defc5e22ba86bd1d455eb01fc7edd2958473 Mon Sep 17 00:00:00 2001
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From: The-going <48602507+The-going@users.noreply.github.com>
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Date: Wed, 2 Feb 2022 11:56:51 +0300
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Subject: [PATCH 08/50] drv:spi:spidev remove warnings
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---
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drivers/spi/spidev.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
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index a5cceca8b..b8ac14a53 100644
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--- a/drivers/spi/spidev.c
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+++ b/drivers/spi/spidev.c
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@@ -674,6 +674,7 @@ static const struct file_operations spidev_fops = {
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static struct class *spidev_class;
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static const struct spi_device_id spidev_spi_ids[] = {
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+ { .name = "spi-dev" },
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{ .name = "dh2228fv" },
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{ .name = "ltc2488" },
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{ .name = "sx1301" },
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@@ -688,6 +689,7 @@ MODULE_DEVICE_TABLE(spi, spidev_spi_ids);
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#ifdef CONFIG_OF
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static const struct of_device_id spidev_dt_ids[] = {
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+ { .compatible = "armbian,spi-dev" },
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{ .compatible = "rohm,dh2228fv" },
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{ .compatible = "lineartechnology,ltc2488" },
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{ .compatible = "semtech,sx1301" },
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@@ -750,9 +752,14 @@ static int spidev_probe(struct spi_device *spi)
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* spidev should never be referenced in DT without a specific
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* compatible string, it is a Linux implementation thing
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* rather than a description of the hardware.
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+ * But people don't care and use DT overlays to activate SPIdev
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+ * on demand. Armbian has added a compatible string alias "spi-dev"
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+ * for this module.
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*/
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+
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if (spi->dev.of_node && of_device_is_compatible(spi->dev.of_node, "spidev")) {
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dev_err(&spi->dev, "spidev listed directly in DT is not supported\n");
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+ dev_info(&spi->dev, "Use a compatible alias string like spi-dev in DT\n");
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return -EINVAL;
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}
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--
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2.34.1
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