linux-kernel - [PATCH 5.14 082/151] eeprom: 93xx46: Add SPI device ID table

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Date:   Mon, 18 Oct 2021 15:24:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: [PATCH 5.14 082/151] eeprom: 93xx46: Add SPI device ID table

From: Mark Brown <broonie@...nel.org>

commit 137879f7ff23c635d2c6b2e43f4b39e2d305c3e2 upstream.

Currently autoloading for SPI devices does not use the DT ID table, it uses
SPI modalises. Supporting OF modalises is going to be difficult if not
impractical, an attempt was made but has been reverted, so ensure that
module autoloading works for this driver by adding a SPI device ID table.

Fixes: 96c8395e2166 ("spi: Revert modalias changes")
Signed-off-by: Mark Brown <broonie@...nel.org>
Link: https://lore.kernel.org/r/20210922184048.34770-1-broonie@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/misc/eeprom/eeprom_93xx46.c |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -406,6 +406,23 @@ static const struct of_device_id eeprom_
 };
 MODULE_DEVICE_TABLE(of, eeprom_93xx46_of_table);
 
+static const struct spi_device_id eeprom_93xx46_spi_ids[] = {
+	{ .name = "eeprom-93xx46",
+	  .driver_data = (kernel_ulong_t)&at93c46_data, },
+	{ .name = "at93c46",
+	  .driver_data = (kernel_ulong_t)&at93c46_data, },
+	{ .name = "at93c46d",
+	  .driver_data = (kernel_ulong_t)&atmel_at93c46d_data, },
+	{ .name = "at93c56",
+	  .driver_data = (kernel_ulong_t)&at93c56_data, },
+	{ .name = "at93c66",
+	  .driver_data = (kernel_ulong_t)&at93c66_data, },
+	{ .name = "93lc46b",
+	  .driver_data = (kernel_ulong_t)&microchip_93lc46b_data, },
+	{}
+};
+MODULE_DEVICE_TABLE(of, eeprom_93xx46_of_table);
+
 static int eeprom_93xx46_probe_dt(struct spi_device *spi)
 {
 	const struct of_device_id *of_id =
@@ -555,6 +572,7 @@ static struct spi_driver eeprom_93xx46_d
 	},
 	.probe		= eeprom_93xx46_probe,
 	.remove		= eeprom_93xx46_remove,
+	.id_table	= eeprom_93xx46_spi_ids,
 };
 
 module_spi_driver(eeprom_93xx46_driver);