diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch new file mode 100644 index 0000000..85c7407 --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch @@ -0,0 +1,125 @@ +From 3dd59ce6ef2bb0470e325be1fc5fb79b50842e31 Mon Sep 17 00:00:00 2001 +From: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +Date: Tue, 13 Dec 2016 19:21:00 +0300 +Subject: [PATCH] Improve debug output + +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +--- + uim.c | 51 +++++++++++++++++++++++++++++---------------------- + 1 file changed, 29 insertions(+), 22 deletions(-) + +diff --git a/uim.c b/uim.c +index 89bafd8..9a58eab 100644 +--- a/uim.c ++++ b/uim.c +@@ -86,9 +86,10 @@ int read_hci_event(int fd, unsigned char *buf, int size) + + UIM_START_FUNC(); + +- UIM_VER(" read_hci_event"); +- if (size <= 0) +- return -1; ++ if (size <= 0) { ++ UIM_VER(" invalid size: %d", size); ++ return -EINVAL; ++ } + + /* The first byte identifies the packet type. For HCI event packets, it + * should be 0x04, so we read until we get to the 0x04. */ +@@ -98,7 +99,8 @@ int read_hci_event(int fd, unsigned char *buf, int size) + nanosleep(&tm, NULL); + continue; + } else if (rd_retry_count >= 4) { +- return -1; ++ UIM_VER(" no retry left. nothing readed"); ++ return -EBUSY; + } + + if (buf[0] == RESP_PREFIX) { +@@ -110,8 +112,10 @@ int read_hci_event(int fd, unsigned char *buf, int size) + /* The next two bytes are the event code and parameter total length. */ + while (count < 3) { + rd = read(fd, buf + count, 3 - count); +- if (rd <= 0) +- return -1; ++ if (rd <= 0) { ++ UIM_VER(" read failed: %d", rd); ++ return -EINVAL; ++ } + count += rd; + } + +@@ -123,8 +127,10 @@ int read_hci_event(int fd, unsigned char *buf, int size) + + while ((count - 3) < remain) { + rd = read(fd, buf + count, remain - (count - 3)); +- if (rd <= 0) +- return -1; ++ if (rd <= 0) { ++ UIM_VER(" failed to read buffer tail: %d", rd); ++ return -EINVAL; ++ } + count += rd; + } + +@@ -139,42 +145,43 @@ int read_hci_event(int fd, unsigned char *buf, int size) + */ + static int read_command_complete(int fd, unsigned short opcode) + { ++ int ret = 0; + command_complete_t resp; + + UIM_START_FUNC(); + +- UIM_VER(" Command complete started"); +- if (read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0) { +- UIM_ERR("Invalid response"); +- return -1; ++ ret = read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)); ++ if (ret < 0) { ++ UIM_ERR("Failed to read response: %d", ret); ++ return ret; + } + + /* Response should be an event packet */ + if (resp.uart_prefix != HCI_EVENT_PKT) { +- UIM_ERR ("Error in response: not an event packet, 0x%02x!", +- resp.uart_prefix); +- return -1; ++ UIM_ERR ("Error in response: not an event packet, 0x%02x != 0x%02x!", ++ resp.uart_prefix, HCI_EVENT_PKT); ++ return -EINVAL; + } + + /* Response should be a command complete event */ + if (resp.hci_hdr.evt != EVT_CMD_COMPLETE) { + /* event must be event-complete */ +- UIM_ERR("Error in response: not a cmd-complete event,0x%02x!", +- resp.hci_hdr.evt); +- return -1; ++ UIM_ERR("Error in response: not a cmd-complete event,0x%02x != 0x%02x!", ++ resp.hci_hdr.evt, EVT_CMD_COMPLETE); ++ return -EINVAL; + } + + if (resp.hci_hdr.plen < 4) { + /* plen >= 4 for EVT_CMD_COMPLETE */ +- UIM_ERR("Error in response: plen is not >= 4, but 0x%02x!", ++ UIM_ERR("Error in response: length < 4, but 0x%02x!", + resp.hci_hdr.plen); +- return -1; ++ return -EINVAL; + } + + if (resp.cmd_complete.opcode != (unsigned short)opcode) { +- UIM_ERR("Error in response: opcode is 0x%04x, not 0x%04x!", ++ UIM_ERR("Error in response: opcode is 0x%04x != 0x%04x!", + resp.cmd_complete.opcode, opcode); +- return -1; ++ return -EINVAL; + } + + UIM_DBG("Command complete done"); +-- +1.8.3.1 + |