linux-kernel - [PATCH] pinctrl: aspeed: Fix GPI only function problem.

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Date:   Tue, 27 Oct 2020 16:44:17 +0800
From:   Billy Tsai <billy_tsai@...eedtech.com>
To:     <andrew@...id.au>, <linus.walleij@...aro.org>, <joel@....id.au>,
        <linux-aspeed@...ts.ozlabs.org>, <openbmc@...ts.ozlabs.org>,
        <linux-gpio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <BMC-SW@...eedtech.com>
Subject: [PATCH] pinctrl: aspeed: Fix GPI only function problem.

Some gpio pin at aspeed soc is input only and the prefix name of these
pin is "GPI" only. This patch fine-tune the condition of GPIO check from
"GPIO" to "GPI".

Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
---
 drivers/pinctrl/aspeed/pinctrl-aspeed.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
index 53f3f8aec695..a2f5ede3f897 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
@@ -292,7 +292,7 @@ static bool aspeed_expr_is_gpio(const struct aspeed_sig_expr *expr)
 	 *
 	 * expr->signal might look like "GPIOT3" in the GPIO case.
 	 */
-	return strncmp(expr->signal, "GPIO", 4) == 0;
+	return strncmp(expr->signal, "GPI", 3) == 0;
 }
 
 static bool aspeed_gpio_in_exprs(const struct aspeed_sig_expr **exprs)
-- 
2.17.1