mirror of https://gitee.com/openkylin/linux.git
isicom: bring into coding style
[akpm@linux-foundation.org: fix arm, cleanups] Signed-off-by: Alan Cox <alan@redhat.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
Linus Torvalds
parent
23d22cea85
commit
251b8dd7ee
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@ -126,8 +126,8 @@
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#include <linux/delay.h>
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#include <linux/ioport.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include <linux/uaccess.h>
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#include <linux/io.h>
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#include <asm/system.h>
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#include <linux/pci.h>
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@ -189,7 +189,7 @@ struct isi_board {
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unsigned short status;
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unsigned short port_status; /* each bit for each port */
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unsigned short shift_count;
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struct isi_port * ports;
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struct isi_port *ports;
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signed char count;
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spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */
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unsigned long flags;
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@ -205,11 +205,11 @@ struct isi_port {
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u16 channel;
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u16 status;
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u16 closing_wait;
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struct isi_board * card;
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struct tty_struct * tty;
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struct isi_board *card;
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struct tty_struct *tty;
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wait_queue_head_t close_wait;
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wait_queue_head_t open_wait;
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unsigned char * xmit_buf;
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unsigned char *xmit_buf;
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int xmit_head;
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int xmit_tail;
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int xmit_cnt;
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@ -405,7 +405,7 @@ static void isicom_tx(unsigned long _data)
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/* find next active board */
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card = (prev_card + 1) & 0x0003;
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while(count-- > 0) {
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while (count-- > 0) {
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if (isi_card[card].status & BOARD_ACTIVE)
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break;
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card = (card + 1) & 0x0003;
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@ -428,7 +428,7 @@ static void isicom_tx(unsigned long _data)
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if (retries >= 100)
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goto unlock;
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for (;count > 0;count--, port++) {
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for (; count > 0; count--, port++) {
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/* port not active or tx disabled to force flow control */
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if (!(port->flags & ASYNC_INITIALIZED) ||
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!(port->status & ISI_TXOK))
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@ -471,9 +471,10 @@ static void isicom_tx(unsigned long _data)
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break;
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}
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}
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if (cnt <= 0) break;
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if (cnt <= 0)
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break;
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word_count = cnt >> 1;
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outsw(base, port->xmit_buf+port->xmit_tail,word_count);
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outsw(base, port->xmit_buf+port->xmit_tail, word_count);
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port->xmit_tail = (port->xmit_tail
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+ (word_count << 1)) & (SERIAL_XMIT_SIZE - 1);
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txcount -= (word_count << 1);
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@ -556,7 +557,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
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tty = port->tty;
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if (tty == NULL) {
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word_count = byte_count >> 1;
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while(byte_count > 1) {
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while (byte_count > 1) {
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inw(base);
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byte_count -= 2;
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}
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@ -569,7 +570,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
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if (header & 0x8000) { /* Status Packet */
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header = inw(base);
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switch(header & 0xff) {
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switch (header & 0xff) {
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case 0: /* Change in EIA signals */
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if (port->flags & ASYNC_CHECK_CD) {
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if (port->status & ISI_DCD) {
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@ -656,7 +657,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
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if (byte_count > 0) {
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pr_dbg("Intr(0x%lx:%d): Flip buffer overflow! dropping "
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"bytes...\n", base, channel + 1);
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while(byte_count > 0) { /* drain out unread xtra data */
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/* drain out unread xtra data */
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while (byte_count > 0) {
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inw(base);
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byte_count -= 2;
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}
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@ -679,8 +681,11 @@ static void isicom_config_port(struct isi_port *port)
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shift_count = card->shift_count;
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unsigned char flow_ctrl;
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if (!(tty = port->tty) || !tty->termios)
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tty = port->tty;
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if (tty == NULL)
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return;
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/* FIXME: Switch to new tty baud API */
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baud = C_BAUD(tty);
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if (baud & CBAUDEX) {
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baud &= ~CBAUDEX;
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@ -706,7 +711,7 @@ static void isicom_config_port(struct isi_port *port)
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if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
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baud++; /* 57.6 Kbps */
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if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
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baud +=2; /* 115 Kbps */
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baud += 2; /* 115 Kbps */
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if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
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baud += 3; /* 230 kbps*/
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if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
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@ -716,15 +721,14 @@ static void isicom_config_port(struct isi_port *port)
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/* hang up */
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drop_dtr(port);
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return;
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}
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else
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} else
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raise_dtr(port);
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if (WaitTillCardIsFree(base) == 0) {
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outw(0x8000 | (channel << shift_count) |0x03, base);
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outw(0x8000 | (channel << shift_count) | 0x03, base);
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outw(linuxb_to_isib[baud] << 8 | 0x03, base);
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channel_setup = 0;
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switch(C_CSIZE(tty)) {
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switch (C_CSIZE(tty)) {
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case CS5:
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channel_setup |= ISICOM_CS5;
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break;
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@ -767,7 +771,7 @@ static void isicom_config_port(struct isi_port *port)
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flow_ctrl |= ISICOM_INITIATE_XONXOFF;
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if (WaitTillCardIsFree(base) == 0) {
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outw(0x8000 | (channel << shift_count) |0x04, base);
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outw(0x8000 | (channel << shift_count) | 0x04, base);
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outw(flow_ctrl << 8 | 0x05, base);
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outw((STOP_CHAR(tty)) << 8 | (START_CHAR(tty)), base);
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InterruptTheCard(base);
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@ -805,20 +809,19 @@ static int isicom_setup_port(struct isi_port *port)
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struct isi_board *card = port->card;
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unsigned long flags;
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if (port->flags & ASYNC_INITIALIZED) {
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if (port->flags & ASYNC_INITIALIZED)
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return 0;
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}
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if (!port->xmit_buf) {
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unsigned long page;
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/* Relies on BKL */
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void *xmit_buf = (void *)get_zeroed_page(GFP_KERNEL);
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if (!(page = get_zeroed_page(GFP_KERNEL)))
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if (xmit_buf == NULL)
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return -ENOMEM;
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if (port->xmit_buf) {
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free_page(page);
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free_page((unsigned long)xmit_buf);
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return -ERESTARTSYS;
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}
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port->xmit_buf = (unsigned char *) page;
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port->xmit_buf = xmit_buf;
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}
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spin_lock_irqsave(&card->card_lock, flags);
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@ -949,21 +952,18 @@ static int isicom_open(struct tty_struct *tty, struct file *filp)
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port->count++;
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tty->driver_data = port;
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port->tty = tty;
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if ((error = isicom_setup_port(port))!=0)
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return error;
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if ((error = block_til_ready(tty, filp, port))!=0)
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return error;
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return 0;
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error = isicom_setup_port(port);
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if (error == 0)
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error = block_til_ready(tty, filp, port);
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return error;
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}
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/* close et all */
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static inline void isicom_shutdown_board(struct isi_board *bp)
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{
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if (bp->status & BOARD_ACTIVE) {
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if (bp->status & BOARD_ACTIVE)
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bp->status &= ~BOARD_ACTIVE;
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}
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}
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/* card->lock HAS to be held */
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@ -1119,7 +1119,7 @@ static int isicom_write(struct tty_struct *tty, const unsigned char *buf,
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spin_lock_irqsave(&card->card_lock, flags);
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while(1) {
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while (1) {
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cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt
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- 1, SERIAL_XMIT_SIZE - port->xmit_head));
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if (cnt <= 0)
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@ -1153,15 +1153,15 @@ static void isicom_put_char(struct tty_struct *tty, unsigned char ch)
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return;
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spin_lock_irqsave(&card->card_lock, flags);
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if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1) {
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spin_unlock_irqrestore(&card->card_lock, flags);
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return;
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}
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if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1)
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goto out;
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port->xmit_buf[port->xmit_head++] = ch;
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port->xmit_head &= (SERIAL_XMIT_SIZE - 1);
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port->xmit_cnt++;
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spin_unlock_irqrestore(&card->card_lock, flags);
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out:
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return;
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}
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/* flush_chars et all */
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@ -1286,10 +1286,9 @@ static int isicom_set_serial_info(struct isi_port *port,
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unlock_kernel();
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return -EPERM;
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}
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port->flags = ((port->flags & ~ ASYNC_USR_MASK) |
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port->flags = ((port->flags & ~ASYNC_USR_MASK) |
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(newinfo.flags & ASYNC_USR_MASK));
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}
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else {
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} else {
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port->close_delay = newinfo.close_delay;
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port->closing_wait = newinfo.closing_wait;
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port->flags = ((port->flags & ~ASYNC_FLAGS) |
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@ -1336,7 +1335,7 @@ static int isicom_ioctl(struct tty_struct *tty, struct file *filp,
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if (isicom_paranoia_check(port, tty->name, "isicom_ioctl"))
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return -ENODEV;
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switch(cmd) {
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switch (cmd) {
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case TCSBRK:
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retval = tty_check_change(tty);
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if (retval)
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@ -1585,7 +1584,7 @@ static int __devinit load_firmware(struct pci_dev *pdev,
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default:
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dev_err(&pdev->dev, "Unknown signature.\n");
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goto end;
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}
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}
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retval = request_firmware(&fw, name, &pdev->dev);
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if (retval)
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@ -1613,7 +1612,8 @@ static int __devinit load_firmware(struct pci_dev *pdev,
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if (WaitTillCardIsFree(base))
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goto errrelfw;
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if ((status = inw(base + 0x4)) != 0) {
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status = inw(base + 0x4);
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if (status != 0) {
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dev_warn(&pdev->dev, "Card%d rejected load header:\n"
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KERN_WARNING "Address:0x%x\n"
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KERN_WARNING "Count:0x%x\n"
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@ -1630,12 +1630,13 @@ static int __devinit load_firmware(struct pci_dev *pdev,
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if (WaitTillCardIsFree(base))
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goto errrelfw;
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if ((status = inw(base + 0x4)) != 0) {
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status = inw(base + 0x4);
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if (status != 0) {
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dev_err(&pdev->dev, "Card%d got out of sync.Card "
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"Status:0x%x\n", index + 1, status);
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goto errrelfw;
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}
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}
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}
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/* XXX: should we test it by reading it back and comparing with original like
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* in load firmware package? */
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@ -1659,7 +1660,8 @@ static int __devinit load_firmware(struct pci_dev *pdev,
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if (WaitTillCardIsFree(base))
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goto errrelfw;
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if ((status = inw(base + 0x4)) != 0) {
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status = inw(base + 0x4);
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if (status != 0) {
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dev_warn(&pdev->dev, "Card%d rejected verify header:\n"
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KERN_WARNING "Address:0x%x\n"
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KERN_WARNING "Count:0x%x\n"
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@ -1692,7 +1694,8 @@ static int __devinit load_firmware(struct pci_dev *pdev,
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if (WaitTillCardIsFree(base))
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goto errrelfw;
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if ((status = inw(base + 0x4)) != 0) {
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status = inw(base + 0x4);
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if (status != 0) {
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dev_err(&pdev->dev, "Card%d verify got out of sync. "
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"Card Status:0x%x\n", index + 1, status);
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goto errrelfw;
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@ -1757,7 +1760,7 @@ static int __devinit isicom_probe(struct pci_dev *pdev,
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index + 1);
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retval = -EBUSY;
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goto errdec;
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}
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}
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retval = request_irq(board->irq, isicom_interrupt,
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IRQF_SHARED | IRQF_DISABLED, ISICOM_NAME, board);
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@ -1811,7 +1814,7 @@ static int __init isicom_init(void)
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int retval, idx, channel;
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struct isi_port *port;
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for(idx = 0; idx < BOARD_COUNT; idx++) {
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for (idx = 0; idx < BOARD_COUNT; idx++) {
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port = &isi_ports[idx * 16];
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isi_card[idx].ports = port;
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spin_lock_init(&isi_card[idx].card_lock);
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@ -1825,7 +1828,7 @@ static int __init isicom_init(void)
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init_waitqueue_head(&port->open_wait);
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init_waitqueue_head(&port->close_wait);
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/* . . . */
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}
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}
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isi_card[idx].base = 0;
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isi_card[idx].irq = 0;
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}
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