linux-kernel - [PATCH] staging: olpc_dcon_xo_1: add missing 'const' qualifier

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Date:   Mon,  4 Mar 2019 20:42:33 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Jens Frederich <jfrederich@...il.com>,
        Daniel Drake <dsd@...top.org>,
        Jon Nettleton <jon.nettleton@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Nishad Kamdar <nishadkamdar@...il.com>,
        Arkadiusz Lis <areklis909@...il.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: olpc_dcon_xo_1: add missing 'const' qualifier

gcc noticed a mismatch between the type qualifiers after a recent
cleanup:

drivers/staging/olpc_dcon/olpc_dcon_xo_1.c: In function 'dcon_init_xo_1':
drivers/staging/olpc_dcon/olpc_dcon_xo_1.c:48:26: error: initialization discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]

Add the 'const' keyword that should have been there all along.

Fixes: 2159fb372929 ("staging: olpc_dcon: olpc_dcon_xo_1.c: Switch to the gpio descriptor interface")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/staging/olpc_dcon/olpc_dcon_xo_1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
index 80b8d4153414..a54286498a47 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
@@ -45,7 +45,7 @@ static int dcon_init_xo_1(struct dcon_priv *dcon)
 {
 	unsigned char lob;
 	int ret, i;
-	struct dcon_gpio *pin = &gpios_asis[0];
+	const struct dcon_gpio *pin = &gpios_asis[0];
 
 	for (i = 0; i < ARRAY_SIZE(gpios_asis); i++) {
 		gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name,
-- 
2.20.0