From 0979ffda12b636fab58228c2b40bab1e2f6b327b Mon Sep 17 00:00:00 2001
From: Nikita Shubin <n.shubin@yadro.com>
Date: Tue, 2 Nov 2021 17:39:11 +0300
Subject: lib: utils/gpio: use list for drivers
Convert static array to sbi_list.
This removes size limitation, makes add/remove more efficient and
saves space.
Signed-off-by: Nikita Shubin <n.shubin@yadro.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
---
include/sbi_utils/gpio/gpio.h | 8 ++++++++
1 file changed, 8 insertions(+)
(limited to 'include')
diff --git a/include/sbi_utils/gpio/gpio.h b/include/sbi_utils/gpio/gpio.h
index 167d11a..7a3d8bb 100644
--- a/include/sbi_utils/gpio/gpio.h
+++ b/include/sbi_utils/gpio/gpio.h
@@ -11,6 +11,7 @@
#define __GPIO_H__
#include <sbi/sbi_types.h>
+#include <sbi/sbi_list.h>
#define GPIO_LINE_DIRECTION_IN 1
#define GPIO_LINE_DIRECTION_OUT 0
@@ -70,8 +71,15 @@ struct gpio_chip {
int (*get)(struct gpio_pin *gp);
/** Set output value for GPIO pin */
void (*set)(struct gpio_pin *gp, int value);
+ /** List */
+ struct sbi_dlist node;
};
+static inline struct gpio_chip *to_gpio_chip(struct sbi_dlist *node)
+{
+ return container_of(node, struct gpio_chip, node);
+}
+
/** Find a registered GPIO chip */
struct gpio_chip *gpio_chip_find(unsigned int id);
--
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