linux-kernel - [PATCH v2 3/3] mfd: sprd: Add SPI device ID table

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Date:   Fri, 24 Sep 2021 15:33:47 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: [PATCH v2 3/3] mfd: sprd: Add SPI device ID table

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>
Cc: Orson Zhai <orsonzhai@...il.com>
Cc: Baolin Wang <baolin.wang7@...il.com>
Cc: Chunyan Zhang <zhang.lyra@...il.com>
---
 drivers/mfd/sprd-sc27xx-spi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/mfd/sprd-sc27xx-spi.c b/drivers/mfd/sprd-sc27xx-spi.c
index 6b7956604a0f..d2d4c4b2087f 100644
--- a/drivers/mfd/sprd-sc27xx-spi.c
+++ b/drivers/mfd/sprd-sc27xx-spi.c
@@ -230,6 +230,12 @@ static int sprd_pmic_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(sprd_pmic_pm_ops, sprd_pmic_suspend, sprd_pmic_resume);
 
+static const struct spi_device_id sprd_pmic_spi_ids[] = {
+	{ .name = "sc2731", .driver_data = (unsigned long)&sc2731_data },
+	{},
+};
+MODULE_DEVICE_TABLE(spi, sprd_pmic_spi_ids);
+
 static const struct of_device_id sprd_pmic_match[] = {
 	{ .compatible = "sprd,sc2731", .data = &sc2731_data },
 	{},
@@ -243,6 +249,7 @@ static struct spi_driver sprd_pmic_driver = {
 		.pm = &sprd_pmic_pm_ops,
 	},
 	.probe = sprd_pmic_probe,
+	.id_table = sprd_pmic_spi_ids,
 };
 
 static int __init sprd_pmic_init(void)
-- 
2.20.1