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From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 7 Jan 2020 10:45:35 +0100
Subject: [PATCH] ARM: bcm2835 mbox: Remove response valid check
Not all messages return a valid response as they do not send a response
at all. This is at least true for the SET_GPIO_STATE and SET_GPIO_CONFIG
messages.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/mach-bcm283x/mbox.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/arm/mach-bcm283x/mbox.c b/arch/arm/mach-bcm283x/mbox.c
index b295993359fa..4405efaffd39 100644
--- a/arch/arm/mach-bcm283x/mbox.c
+++ b/arch/arm/mach-bcm283x/mbox.c
@@ -137,11 +137,6 @@ int bcm2835_mbox_call_prop(u32 chan, struct bcm2835_mbox_hdr *buffer)
tag = (void *)(buffer + 1);
tag_index = 0;
while (tag->tag) {
- if (!(tag->val_len & BCM2835_MBOX_TAG_VAL_LEN_RESPONSE)) {
- printf("mbox: Tag %d missing val_len response bit\n",
- tag_index);
- return -EIO;
- }
/*
* Clear the reponse bit so clients can just look right at the
* length field without extra processing
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