This reverts commits d104fc0ee38a and af9f4057a591.
Henrik says in
https://groups.google.com/forum/#!msg/linux-sunxi/nSKH4IcTaX8/YBVQLMrzfKwJ:
GPIO_OSCILLATE is a hack in our u-boot used for measuring PIO performance.
Should likely be removed.
This is one less thing to worry about for upstreaming, or at least removes
something from the diff...
Signed-off-by: Ian Campbell <i...@hellion.org.uk>
Cc: Henrik Nordstrom <hen...@henriknordstrom.net>
---
common/cmd_gpio.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/common/cmd_gpio.c b/common/cmd_gpio.c
index 0aa9ab0..778aa5f 100644
--- a/common/cmd_gpio.c
+++ b/common/cmd_gpio.c
@@ -20,7 +20,6 @@ enum gpio_cmd {
GPIO_SET,
GPIO_CLEAR,
GPIO_TOGGLE,
- GPIO_OSCILLATE,
};
#if defined(CONFIG_DM_GPIO) && !defined(gpio_status)
@@ -139,7 +138,6 @@ static int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
case 's': sub_cmd = GPIO_SET; break;
case 'c': sub_cmd = GPIO_CLEAR; break;
case 't': sub_cmd = GPIO_TOGGLE; break;
- case 'o': sub_cmd = GPIO_OSCILLATE; break;
default: goto show_usage;
}
@@ -170,14 +168,6 @@ static int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
if (sub_cmd == GPIO_INPUT) {
gpio_direction_input(gpio);
value = gpio_get_value(gpio);
- } else if (sub_cmd == GPIO_OSCILLATE) {
- int i;
- gpio_direction_output(gpio, 0);
- for (i = 0; i < 100000000; i++) {
- gpio_set_value(gpio, i&1);
- }
- gpio_direction_input(gpio);
- value = 0;
} else {
switch (sub_cmd) {
case GPIO_SET: value = 1; break;
--
1.9.0
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