linux-kernel - [PATCH 5.15 698/917] rtc: ds1390: Add SPI ID table

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Date:   Mon, 15 Nov 2021 18:03:13 +0100
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>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 698/917] rtc: ds1390: Add SPI ID table

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

[ Upstream commit da87639d6312afb8855717c791768bf2d4ca8ac8 ]

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 an id_table listing the
SPI IDs for everything.

Fixes: 96c8395e2166 ("spi: Revert modalias changes")
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Link: https://lore.kernel.org/r/20210923194922.53386-3-broonie@kernel.org
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/rtc/rtc-ds1390.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index 66fc8617d07ee..93ce72b9ae59e 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -219,12 +219,19 @@ static const struct of_device_id ds1390_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, ds1390_of_match);
 
+static const struct spi_device_id ds1390_spi_ids[] = {
+	{ .name = "ds1390" },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, ds1390_spi_ids);
+
 static struct spi_driver ds1390_driver = {
 	.driver = {
 		.name	= "rtc-ds1390",
 		.of_match_table = of_match_ptr(ds1390_of_match),
 	},
 	.probe	= ds1390_probe,
+	.id_table = ds1390_spi_ids,
 };
 
 module_spi_driver(ds1390_driver);
-- 
2.33.0