48 lines
1.7 KiB
Diff
48 lines
1.7 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, 6 insertions(+), 1 deletion(-)
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diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
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index 1bd73e322..bd4e2c185 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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@@ -750,10 +752,13 @@ 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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WARN(spi->dev.of_node &&
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of_device_is_compatible(spi->dev.of_node, "spidev"),
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- "%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node);
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+ "%pOF: buggy DT: spidev listed directly in DT\n\tUse an alias like spi-dev in DT\n", spi->dev.of_node);
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spidev_probe_acpi(spi);
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--
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2.35.3
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