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reset: reset-hisilicon: also handle #reset-cells = <2>

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It's also valid to have #reset-cells = <2> while the third arg defaults
to ASSERT_SET.

Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
This commit is contained in:
Yang Xiwen 2024-01-19 20:49:17 +08:00 committed by Tom Rini
parent aeba385e41
commit 53c3e38606
1 changed files with 13 additions and 2 deletions
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15
drivers/reset/reset-hisilicon.c
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@ -49,7 +49,18 @@ static int hisi_reset_assert(struct reset_ctl *rst)
static int hisi_reset_of_xlate(struct reset_ctl *rst,
struct ofnode_phandle_args *args)
{
if (args->args_count != 3) {
unsigned long polarity;
switch (args->args_count) {
case 2:
polarity = ASSERT_SET;
break;
case 3:
polarity = args->args[2];
break;
default:
debug("Invalid args_count: %d\n", args->args_count);
return -EINVAL;
}
@ -57,7 +68,7 @@ static int hisi_reset_of_xlate(struct reset_ctl *rst,
/* Use .data field as register offset and .id field as bit shift */
rst->data = args->args[0];
rst->id = args->args[1];
rst->polarity = args->args[2];
rst->polarity = polarity;
return 0;
}