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Commit 71e1b4ab authored by Jan Engelhardt's avatar Jan Engelhardt Committed by Greg Kroah-Hartman
Browse files

nozomi: constify driver 



nozomi: constify structures and annotate vars

Signed-off-by: default avatarJan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: default avatarFrank Seidel <fseidel@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent e9ed537a

drivers/char/nozomi.c

+18 −20
Original line number Original line Diff line number Diff line
@@ -395,7 +395,7 @@ struct buffer { 
} __attribute__ ((packed));

} __attribute__ ((packed));





/*    Global variables */

/*    Global variables */

static struct pci_device_id nozomi_pci_tbl[] = {

static struct pci_device_id nozomi_pci_tbl[] __devinitdata = {

	{PCI_DEVICE(VENDOR1, DEVICE1)},

	{PCI_DEVICE(VENDOR1, DEVICE1)},

	{},

	{},

};

};
@@ -471,12 +471,12 @@ out: 
 * -Optimize

 * -Optimize

 * -Rewrite cleaner

 * -Rewrite cleaner

 */

 */

static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf,

static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf,

			u32 size_bytes)

			u32 size_bytes)

{

{

	u32 i = 0;

	u32 i = 0;

	u32 *ptr = (__force u32 *) mem_addr_start;

	u32 *ptr = (__force u32 *) mem_addr_start;

	u16 *buf16;

	const u16 *buf16;





	if (unlikely(!ptr || !buf))

	if (unlikely(!ptr || !buf))

		return 0;

		return 0;
@@ -484,7 +484,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, 
	/* shortcut for extremely often used cases */

	/* shortcut for extremely often used cases */

	switch (size_bytes) {

	switch (size_bytes) {

	case 2:	/* 2 bytes */

	case 2:	/* 2 bytes */

		buf16 = (u16 *) buf;

		buf16 = (const u16 *)buf;

		writew(__cpu_to_le16(*buf16), (void __iomem *)ptr);

		writew(__cpu_to_le16(*buf16), (void __iomem *)ptr);

		return 2;

		return 2;

		break;

		break;
@@ -501,7 +501,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, 
	while (i < size_bytes) {

	while (i < size_bytes) {

		if (size_bytes - i == 2) {

		if (size_bytes - i == 2) {

			/* 2 bytes */

			/* 2 bytes */

			buf16 = (u16 *) buf;

			buf16 = (const u16 *)buf;

			writew(__cpu_to_le16(*buf16), (void __iomem *)ptr);

			writew(__cpu_to_le16(*buf16), (void __iomem *)ptr);

			i += 2;

			i += 2;

		} else {

		} else {
@@ -723,8 +723,7 @@ static int nozomi_read_config_table(struct nozomi *dc) 
/* Enable uplink interrupts  */

/* Enable uplink interrupts  */

static void enable_transmit_ul(enum port_type port, struct nozomi *dc)

static void enable_transmit_ul(enum port_type port, struct nozomi *dc)

{

{

	u16 mask[NOZOMI_MAX_PORTS] = \

	static const u16 mask[] = {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL};

			{MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL};





	if (port < NOZOMI_MAX_PORTS) {

	if (port < NOZOMI_MAX_PORTS) {

		dc->last_ier |= mask[port];

		dc->last_ier |= mask[port];
@@ -737,7 +736,7 @@ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) 
/* Disable uplink interrupts  */

/* Disable uplink interrupts  */

static void disable_transmit_ul(enum port_type port, struct nozomi *dc)

static void disable_transmit_ul(enum port_type port, struct nozomi *dc)

{

{

	u16 mask[NOZOMI_MAX_PORTS] = \

	static const u16 mask[] =

		{~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL};

		{~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL};





	if (port < NOZOMI_MAX_PORTS) {

	if (port < NOZOMI_MAX_PORTS) {
@@ -751,8 +750,7 @@ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) 
/* Enable downlink interrupts */

/* Enable downlink interrupts */

static void enable_transmit_dl(enum port_type port, struct nozomi *dc)

static void enable_transmit_dl(enum port_type port, struct nozomi *dc)

{

{

	u16 mask[NOZOMI_MAX_PORTS] = \

	static const u16 mask[] = {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL};

			{MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL};





	if (port < NOZOMI_MAX_PORTS) {

	if (port < NOZOMI_MAX_PORTS) {

		dc->last_ier |= mask[port];

		dc->last_ier |= mask[port];
@@ -765,7 +763,7 @@ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) 
/* Disable downlink interrupts */

/* Disable downlink interrupts */

static void disable_transmit_dl(enum port_type port, struct nozomi *dc)

static void disable_transmit_dl(enum port_type port, struct nozomi *dc)

{

{

	u16 mask[NOZOMI_MAX_PORTS] = \

	static const u16 mask[] =

		{~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL};

		{~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL};





	if (port < NOZOMI_MAX_PORTS) {

	if (port < NOZOMI_MAX_PORTS) {
@@ -783,7 +781,7 @@ static void disable_transmit_dl(enum port_type port, struct nozomi *dc) 
static int send_data(enum port_type index, struct nozomi *dc)

static int send_data(enum port_type index, struct nozomi *dc)

{

{

	u32 size = 0;

	u32 size = 0;

	struct port *port = &dc->port[index];

	const struct port *port = &dc->port[index];

	u8 toggle = port->toggle_ul;

	u8 toggle = port->toggle_ul;

	void __iomem *addr = port->ul_addr[toggle];

	void __iomem *addr = port->ul_addr[toggle];

	u32 ul_size = port->ul_size[toggle];

	u32 ul_size = port->ul_size[toggle];
@@ -1306,7 +1304,7 @@ static void nozomi_setup_private_data(struct nozomi *dc) 
static ssize_t card_type_show(struct device *dev, struct device_attribute *attr,

static ssize_t card_type_show(struct device *dev, struct device_attribute *attr,

			  char *buf)

			  char *buf)

{

{

	struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev));

	const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev));





	return sprintf(buf, "%d\n", dc->card_type);

	return sprintf(buf, "%d\n", dc->card_type);

}

}
@@ -1315,7 +1313,7 @@ static DEVICE_ATTR(card_type, S_IRUGO, card_type_show, NULL); 
static ssize_t open_ttys_show(struct device *dev, struct device_attribute *attr,

static ssize_t open_ttys_show(struct device *dev, struct device_attribute *attr,

			  char *buf)

			  char *buf)

{

{

	struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev));

	const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev));





	return sprintf(buf, "%u\n", dc->open_ttys);

	return sprintf(buf, "%u\n", dc->open_ttys);

}

}
@@ -1682,7 +1680,7 @@ static int ntty_write_room(struct tty_struct *tty) 
{

{

	struct port *port = tty->driver_data;

	struct port *port = tty->driver_data;

	int room = 0;

	int room = 0;

	struct nozomi *dc = get_dc_by_tty(tty);

	const struct nozomi *dc = get_dc_by_tty(tty);





	if (!dc || !port)

	if (!dc || !port)

		return 0;

		return 0;
@@ -1702,9 +1700,9 @@ exit: 
/* Gets io control parameters */

/* Gets io control parameters */

static int ntty_tiocmget(struct tty_struct *tty, struct file *file)

static int ntty_tiocmget(struct tty_struct *tty, struct file *file)

{

{

	struct port *port = tty->driver_data;

	const struct port *port = tty->driver_data;

	struct ctrl_dl *ctrl_dl = &port->ctrl_dl;

	const struct ctrl_dl *ctrl_dl = &port->ctrl_dl;

	struct ctrl_ul *ctrl_ul = &port->ctrl_ul;

	const struct ctrl_ul *ctrl_ul = &port->ctrl_ul;





	return	(ctrl_ul->RTS ? TIOCM_RTS : 0) |

	return	(ctrl_ul->RTS ? TIOCM_RTS : 0) |

		(ctrl_ul->DTR ? TIOCM_DTR : 0) |

		(ctrl_ul->DTR ? TIOCM_DTR : 0) |