linux-kernel - [PATCH AUTOSEL 4.4 5/9] mmc: spi: Add device-tree SPI IDs

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Message-Id: <20211130145402.947049-5-sashal@kernel.org>
Date:   Tue, 30 Nov 2021 09:53:58 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jon Hunter <jonathanh@...dia.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>,
        andriy.shevchenko@...ux.intel.com, akpm@...ux-foundation.org,
        linux-mmc@...r.kernel.org
Subject: [PATCH AUTOSEL 4.4 5/9] mmc: spi: Add device-tree SPI IDs

From: Jon Hunter <jonathanh@...dia.com>

[ Upstream commit 5f719948b5d43eb39356e94e8d0b462568915381 ]

Commit 5fa6863ba692 ("spi: Check we have a spi_device_id for each DT
compatible") added a test to check that every SPI driver has a
spi_device_id for each DT compatiable string defined by the driver
and warns if the spi_device_id is missing. The spi_device_id is
missing for the MMC SPI driver and the following warning is now seen.

 WARNING KERN SPI driver mmc_spi has no spi_device_id for mmc-spi-slot

Fix this by adding the necessary spi_device_id.

Signed-off-by: Jon Hunter <jonathanh@...dia.com>
Link: https://lore.kernel.org/r/20211115113813.238044-1-jonathanh@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mmc/host/mmc_spi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index b52489a67097e..a3e049248be8d 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1523,6 +1523,12 @@ static int mmc_spi_remove(struct spi_device *spi)
 	return 0;
 }
 
+static const struct spi_device_id mmc_spi_dev_ids[] = {
+	{ "mmc-spi-slot"},
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, mmc_spi_dev_ids);
+
 static const struct of_device_id mmc_spi_of_match_table[] = {
 	{ .compatible = "mmc-spi-slot", },
 	{},
@@ -1534,6 +1540,7 @@ static struct spi_driver mmc_spi_driver = {
 		.name =		"mmc_spi",
 		.of_match_table = mmc_spi_of_match_table,
 	},
+	.id_table =	mmc_spi_dev_ids,
 	.probe =	mmc_spi_probe,
 	.remove =	mmc_spi_remove,
 };
-- 
2.33.0