linux-kernel - [PATCH AUTOSEL 4.9 24/25] spi: ST ST95HF NFC: declare missing of table

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Message-Id: <20190507054123.32514-24-sashal@kernel.org>
Date:   Tue,  7 May 2019 01:41:21 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Daniel Gomez <dagmcr@...il.com>,
        Javier Martinez Canillas <javier@...hile0.org>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>, linux-wireless@...r.kernel.org
Subject: [PATCH AUTOSEL 4.9 24/25] spi: ST ST95HF NFC: declare missing of table

From: Daniel Gomez <dagmcr@...il.com>

[ Upstream commit d04830531d0c4a99c897a44038e5da3d23331d2f ]

Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.

Before this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias:          spi:st95hf

After this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias:          spi:st95hf
alias:          of:N*T*Cst,st95hfC*
alias:          of:N*T*Cst,st95hf

Reported-by: Javier Martinez Canillas <javier@...hile0.org>
Signed-off-by: Daniel Gomez <dagmcr@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nfc/st95hf/core.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c
index c2840e412962..850e75571c8e 100644
--- a/drivers/nfc/st95hf/core.c
+++ b/drivers/nfc/st95hf/core.c
@@ -1074,6 +1074,12 @@ static const struct spi_device_id st95hf_id[] = {
 };
 MODULE_DEVICE_TABLE(spi, st95hf_id);
 
+static const struct of_device_id st95hf_spi_of_match[] = {
+        { .compatible = "st,st95hf" },
+        { },
+};
+MODULE_DEVICE_TABLE(of, st95hf_spi_of_match);
+
 static int st95hf_probe(struct spi_device *nfc_spi_dev)
 {
 	int ret;
@@ -1260,6 +1266,7 @@ static struct spi_driver st95hf_driver = {
 	.driver = {
 		.name = "st95hf",
 		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(st95hf_spi_of_match),
 	},
 	.id_table = st95hf_id,
 	.probe = st95hf_probe,
-- 
2.20.1