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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org,
        Richard Gong <richard.gong@linux.intel.com>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 05/10] firmware: arm_scpi: convert platform driver to use dev_groups
Date:   Wed, 31 Jul 2019 14:43:44 +0200
Message-Id: <20190731124349.4474-6-gregkh@linuxfoundation.org>
In-Reply-To: <20190731124349.4474-1-gregkh@linuxfoundation.org>
References: <20190731124349.4474-1-gregkh@linuxfoundation.org>
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Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files.  So take advantage of that
and do not register "by hand" a sysfs group of attributes.

Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/firmware/arm_scpi.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c
index 725164b83242..a80c331c3a6e 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -1011,10 +1011,6 @@ static int scpi_probe(struct platform_device *pdev)
 				   scpi_info->firmware_version));
 	scpi_info->scpi_ops = &scpi_ops;
 
-	ret = devm_device_add_groups(dev, versions_groups);
-	if (ret)
-		dev_err(dev, "unable to create sysfs version group\n");
-
 	return devm_of_platform_populate(dev);
 }
 
@@ -1030,6 +1026,7 @@ static struct platform_driver scpi_driver = {
 	.driver = {
 		.name = "scpi_protocol",
 		.of_match_table = scpi_of_match,
+		.dev_groups = versions_groups,
 	},
 	.probe = scpi_probe,
 	.remove = scpi_remove,
-- 
2.22.0