staging: ced1401: ced_ioc.c: add blank line after declarations
Fix checkpatch warnings "Missing a blank line after declarations" in file ced_ioc.c Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>hifive-unleashed-5.1
Luca Ellero
Greg Kroah-Hartman
parent
a08259437f
commit
0d9095b3e8
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@ -84,9 +84,11 @@ static int ced_put_chars(struct ced_data *ced, const char *ch,
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unsigned int count)
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{
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int ret;
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spin_lock_irq(&ced->char_out_lock); /* get the output spin lock */
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if ((OUTBUF_SZ - ced->num_output) >= count) {
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unsigned int u;
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for (u = 0; u < count; u++) {
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ced->output_buffer[ced->out_buff_put++] = ch[u];
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if (ced->out_buff_put >= OUTBUF_SZ)
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@ -140,6 +142,7 @@ int ced_send_string(struct ced_data *ced, const char __user *data,
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int ced_send_char(struct ced_data *ced, char c)
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{
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int ret;
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mutex_lock(&ced->io_mutex); /* Protect disconnect from new i/o */
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ret = ced_put_chars(ced, &c, 1);
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dev_dbg(&ced->interface->dev, "ced_send_char >%c< (0x%02x)\n", c, c);
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@ -177,6 +180,7 @@ int ced_send_char(struct ced_data *ced, char c)
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int ced_get_state(struct ced_data *ced, __u32 *state, __u32 *error)
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{
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int got;
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dev_dbg(&ced->interface->dev, "%s: entry\n", __func__);
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*state = 0xFFFFFFFF; /* Start off with invalid state */
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@ -192,6 +196,7 @@ int ced_get_state(struct ced_data *ced, __u32 *state, __u32 *error)
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*error = 0;
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} else {
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int device;
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dev_dbg(&ced->interface->dev,
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"%s: Success, state: 0x%x, 0x%x\n",
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__func__, ced->stat_buf[0], ced->stat_buf[1]);
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@ -249,6 +254,7 @@ int ced_read_write_cancel(struct ced_data *ced)
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bResult = IoCancelIrp(ced->pStagedIrp); /* Actually do the cancel */
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if (bResult) {
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LARGE_INTEGER timeout;
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timeout.QuadPart = -10000000; /* Use a timeout of 1 second */
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dev_info(&ced->interface - dev,
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"%s: about to wait till done\n", __func__);
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@ -283,6 +289,7 @@ static int ced_in_self_test(struct ced_data *ced, unsigned int *stat)
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{
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unsigned int state, error;
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int ret = ced_get_state(ced, &state, &error); /* see if in self-test */
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if (ret == U14ERR_NOERROR) /* if all still OK */
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ret = (state == (unsigned int)-1) || /* TX problem or... */
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((state & 0xff) == 0x80); /* ...self test */
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@ -311,6 +318,7 @@ static int ced_in_self_test(struct ced_data *ced, unsigned int *stat)
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static bool ced_is_1401(struct ced_data *ced)
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{
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int ret;
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dev_dbg(&ced->interface->dev, "%s\n", __func__);
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ced_draw_down(ced); /* wait for, then kill outstanding Urbs */
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@ -334,11 +342,13 @@ static bool ced_is_1401(struct ced_data *ced)
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ced->dma_flag = MODE_CHAR; /* Clear DMA mode flag regardless! */
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if (ret == 0) { /* if all is OK still */
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unsigned int state;
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ret = ced_in_self_test(ced, &state); /* see if likely in */
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/* self test */
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if (ret > 0) { /* do we need to wait for self-test? */
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/* when to give up */
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unsigned long timeout = jiffies + 30 * HZ;
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while ((ret > 0) && time_before(jiffies, timeout)) {
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schedule(); /* let other stuff run */
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@ -396,6 +406,7 @@ static bool ced_quick_check(struct ced_data *ced, bool test_buff,
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if (short_test || !can_reset) { /* Still OK to try the short test? */
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/* Always test if no reset - we want state update */
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unsigned int state, error;
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dev_dbg(&ced->interface->dev, "%s: ced_get_state\n", __func__);
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if (ced_get_state(ced, &state, &error) == U14ERR_NOERROR) { /* Check on the 1401 state */
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if ((state & 0xFF) == 0) /* If call worked, check the status value */
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@ -437,6 +448,7 @@ int ced_reset(struct ced_data *ced)
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int ced_get_char(struct ced_data *ced)
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{
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int ret = U14ERR_NOIN; /* assume we will get nothing */
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mutex_lock(&ced->io_mutex); /* Protect disconnect from new i/o */
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dev_dbg(&ced->interface->dev, "%s\n", __func__);
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@ -475,6 +487,7 @@ int ced_get_string(struct ced_data *ced, char __user *user, int n)
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{
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int available; /* character in the buffer */
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int ret = U14ERR_NOIN;
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if (n <= 0)
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return -ENOMEM;
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@ -492,6 +505,7 @@ int ced_get_string(struct ced_data *ced, char __user *user, int n)
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int got = 0;
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int n_copy_to_user; /* number to copy to user */
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char data;
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do {
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data = ced->input_buffer[ced->in_buff_get++];
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if (data == CR_CHAR) /* replace CR with zero */
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@ -534,6 +548,7 @@ int ced_get_string(struct ced_data *ced, char __user *user, int n)
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int ced_stat_1401(struct ced_data *ced)
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{
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int ret;
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mutex_lock(&ced->io_mutex); /* Protect disconnect from new i/o */
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ced_allowi(ced); /* make sure we allow pending chars */
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ced_send_chars(ced); /* in both directions */
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@ -563,6 +578,7 @@ int ced_line_count(struct ced_data *ced)
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unsigned int index = ced->in_buff_get;
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/* Position for search end */
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unsigned int end = ced->in_buff_put;
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do {
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if (ced->input_buffer[index++] == CR_CHAR)
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++ret; /* inc count if CR */
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@ -618,6 +634,7 @@ int ced_clear_area(struct ced_data *ced, int area)
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} else {
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/* to save typing */
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struct transarea *ta = &ced->trans_def[area];
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if (!ta->used) /* if not used... */
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ret = U14ERR_NOTSET; /* ...nothing to be done */
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else {
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@ -709,6 +726,7 @@ static int ced_set_area(struct ced_data *ced, int area, char __user *buf,
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int n_pages = 0; /* and number of pages */
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int ret = ced_clear_area(ced, area); /* see if OK to use this area */
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if ((ret != U14ERR_NOTSET) && /* if not area unused and... */
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(ret != U14ERR_NOERROR)) /* ...not all OK, then... */
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return ret; /* ...we cannot use this area */
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@ -807,6 +825,7 @@ int ced_set_transfer(struct ced_data *ced,
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int ced_unset_transfer(struct ced_data *ced, int area)
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{
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int ret;
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mutex_lock(&ced->io_mutex);
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ret = ced_clear_area(ced, area);
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mutex_unlock(&ced->io_mutex);
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@ -866,6 +885,7 @@ int ced_set_event(struct ced_data *ced, struct transfer_event __user *ute)
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int ced_wait_event(struct ced_data *ced, int area, int time_out)
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{
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int ret;
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if ((unsigned)area >= MAX_TRANSAREAS)
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return U14ERR_BADAREA;
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else {
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@ -919,6 +939,7 @@ int ced_wait_event(struct ced_data *ced, int area, int time_out)
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int ced_test_event(struct ced_data *ced, int area)
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{
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int ret;
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if ((unsigned)area >= MAX_TRANSAREAS)
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ret = U14ERR_BADAREA;
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else {
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@ -998,6 +1019,7 @@ int ced_kill_io(struct ced_data *ced)
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int ced_state_of_1401(struct ced_data *ced)
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{
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int ret;
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mutex_lock(&ced->io_mutex);
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ced_quick_check(ced, false, false); /* get state up to date, no reset */
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@ -1018,6 +1040,7 @@ int ced_state_of_1401(struct ced_data *ced)
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int ced_start_self_test(struct ced_data *ced)
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{
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int got;
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mutex_lock(&ced->io_mutex);
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dev_dbg(&ced->interface->dev, "%s\n", __func__);
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@ -1050,6 +1073,7 @@ int ced_check_self_test(struct ced_data *ced, TGET_SELFTEST __user *ugst)
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unsigned int state, error;
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int ret;
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TGET_SELFTEST gst; /* local work space */
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memset(&gst, 0, sizeof(gst)); /* clear out the space (sets code 0) */
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mutex_lock(&ced->io_mutex);
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@ -1087,6 +1111,7 @@ int ced_check_self_test(struct ced_data *ced, TGET_SELFTEST __user *ugst)
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"Self-test error code %d\n", gst.code);
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} else { /* No error, check for timeout */
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unsigned long now = jiffies; /* get current time */
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if (time_after(now, ced->self_test_time)) {
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gst.code = -2; /* Flag the timeout */
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dev_dbg(&ced->interface->dev,
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@ -1426,6 +1451,7 @@ int ced_get_circ_block(struct ced_data *ced, TCIRCBLOCK __user *ucb)
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if (area < MAX_TRANSAREAS) { /* The area number must be OK */
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/* Pointer to relevant info */
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struct transarea *ta = &ced->trans_def[area];
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spin_lock_irq(&ced->staged_lock); /* Lock others out */
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if ((ta->used) && (ta->circular) && /* Must be circular area */
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