mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/gpio/gpio-twl6040.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * Access to GPOs on TWL6040 chip
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  *
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@@ -6,28 +7,15 @@
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  * Authors:
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  *	Sergio Aguirre <saaguirre@ti.com>
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  *	Peter Ujfalusi <peter.ujfalusi@ti.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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  */
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11
 
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 #include <linux/module.h>
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 #include <linux/init.h>
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 #include <linux/kthread.h>
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 #include <linux/irq.h>
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-#include <linux/gpio.h>
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+#include <linux/gpio/driver.h>
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 #include <linux/platform_device.h>
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+#include <linux/bitops.h>
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 #include <linux/of.h>
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 #include <linux/mfd/twl6040.h>
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@@ -41,7 +29,12 @@
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 	if (ret < 0)
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 		return ret;
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-	return (ret >> offset) & 1;
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+	return !!(ret & BIT(offset));
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+}
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+
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+static int twl6040gpo_get_direction(struct gpio_chip *chip, unsigned offset)
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+{
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+	return GPIO_LINE_DIRECTION_OUT;
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 }
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 static int twl6040gpo_direction_out(struct gpio_chip *chip, unsigned offset,
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@@ -62,9 +55,9 @@
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 		return;
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 	if (value)
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-		gpoctl = ret | (1 << offset);
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+		gpoctl = ret | BIT(offset);
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 	else
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-		gpoctl = ret & ~(1 << offset);
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+		gpoctl = ret & ~BIT(offset);
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 	twl6040_reg_write(twl6040, TWL6040_REG_GPOCTL, gpoctl);
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 }
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@@ -74,6 +67,7 @@
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 	.owner			= THIS_MODULE,
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 	.get			= twl6040gpo_get,
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 	.direction_output	= twl6040gpo_direction_out,
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+	.get_direction		= twl6040gpo_get_direction,
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 	.set			= twl6040gpo_set,
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 	.can_sleep		= true,
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 };