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wl1271: Check result code of commands

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Check the result code of all commands, and return an error code if the
firmware reports an error in execution. Previously this error would go
ignored in most cases.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2009-11-02 20:22:10 +02:00 committed by John W. Linville
parent 605351e222
commit 3b775b4b27
2 changed files with 14 additions and 27 deletions
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34
drivers/net/wireless/wl12xx/wl1271_cmd.c
View File

@ -74,6 +74,15 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
intr = wl1271_spi_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
}
/* read back the status code of the command */
wl1271_spi_read(wl, wl->cmd_box_addr, cmd,
sizeof(struct wl1271_cmd_header), false);
if (cmd->status != CMD_STATUS_SUCCESS) {
wl1271_error("command execute failure %d", cmd->status);
ret = -EIO;
}
wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
WL1271_ACX_INTR_CMD_COMPLETE);
@ -306,7 +315,6 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
if (answer) {
struct wl1271_command *cmd_answer;
u16 status;
/*
* The test command got in, we can read the answer.
@ -316,10 +324,6 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
wl1271_spi_read(wl, wl->cmd_box_addr, buf, buf_len, false);
cmd_answer = buf;
status = le16_to_cpu(cmd_answer->header.status);
if (status != CMD_STATUS_SUCCESS)
wl1271_error("TEST command answer error: %d", status);
}
return 0;
@ -354,11 +358,6 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
/* the interrogate command got in, we can read the answer */
wl1271_spi_read(wl, wl->cmd_box_addr, buf, len, false);
acx = buf;
if (le16_to_cpu(acx->cmd.status) != CMD_STATUS_SUCCESS)
wl1271_error("INTERROGATE command error: %d",
le16_to_cpu(acx->cmd.status));
out:
return ret;
}
@ -507,11 +506,6 @@ int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
/* the read command got in, we can now read the answer */
wl1271_spi_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd), false);
if (le16_to_cpu(cmd->header.status) != CMD_STATUS_SUCCESS)
wl1271_error("error in read command result: %d",
le16_to_cpu(cmd->header.status));
memcpy(answer, cmd->value, len);
out:
@ -639,17 +633,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params));
if (ret < 0) {
wl1271_error("SCAN failed");
goto out;
}
wl1271_spi_read(wl, wl->cmd_box_addr, params, sizeof(*params),
false);
if (le16_to_cpu(params->header.status) != CMD_STATUS_SUCCESS) {
wl1271_error("Scan command error: %d",
le16_to_cpu(params->header.status));
wl->scanning = false;
ret = -EIO;
goto out;
}

7
drivers/net/wireless/wl12xx/wl1271_init.c
View File

@ -303,12 +303,15 @@ int wl1271_hw_init(struct wl1271 *wl)
{
int ret;
/* FIXME: the following parameter setting functions return error
* codes - the reason is so far unknown. The -EIO is therefore
* ignored for the time being. */
ret = wl1271_init_general_parms(wl);
if (ret < 0)
if (ret < 0 && ret != -EIO)
return ret;
ret = wl1271_init_radio_parms(wl);
if (ret < 0)
if (ret < 0 && ret != -EIO)
return ret;
/* Template settings */