From 7637e402549217edd9b383aaf4c252d890b61ebc Mon Sep 17 00:00:00 2001 From: Yang Xiwen Date: Fri, 19 Jan 2024 20:49:17 +0800 Subject: reset: reset-hisilicon: also handle #reset-cells = <2> It's also valid to have #reset-cells = <2> while the third arg defaults to ASSERT_SET. Signed-off-by: Yang Xiwen --- drivers/reset/reset-hisilicon.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/reset/reset-hisilicon.c b/drivers/reset/reset-hisilicon.c index 8152cec..85e02b2 100644 --- a/drivers/reset/reset-hisilicon.c +++ b/drivers/reset/reset-hisilicon.c @@ -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; } -- cgit v1.1