diff options
Diffstat (limited to 'configs/platform-v7a/patches/barebox-2020.01.0/0011-ARM-bcm2835-mbox-Remove-response-valid-check.patch')
| -rw-r--r-- | configs/platform-v7a/patches/barebox-2020.01.0/0011-ARM-bcm2835-mbox-Remove-response-valid-check.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/configs/platform-v7a/patches/barebox-2020.01.0/0011-ARM-bcm2835-mbox-Remove-response-valid-check.patch b/configs/platform-v7a/patches/barebox-2020.01.0/0011-ARM-bcm2835-mbox-Remove-response-valid-check.patch new file mode 100644 index 0000000..3bcf32d --- /dev/null +++ b/configs/platform-v7a/patches/barebox-2020.01.0/0011-ARM-bcm2835-mbox-Remove-response-valid-check.patch @@ -0,0 +1,29 @@ +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 |