diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/nozomi.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 86ded7e..7979eb1 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -395,7 +395,7 @@ struct buffer { } __attribute__ ((packed)); /* Global variables */ -static struct pci_device_id nozomi_pci_tbl[] = { +static struct pci_device_id nozomi_pci_tbl[] __devinitdata = { {PCI_DEVICE(VENDOR1, DEVICE1)}, {}, }; @@ -471,12 +471,12 @@ out: * -Optimize * -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 i = 0; u32 *ptr = (__force u32 *) mem_addr_start; - u16 *buf16; + const u16 *buf16; if (unlikely(!ptr || !buf)) return 0; @@ -484,7 +484,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, /* shortcut for extremely often used cases */ switch (size_bytes) { case 2: /* 2 bytes */ - buf16 = (u16 *) buf; + buf16 = (const u16 *)buf; writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); return 2; break; @@ -501,7 +501,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, while (i < size_bytes) { if (size_bytes - i == 2) { /* 2 bytes */ - buf16 = (u16 *) buf; + buf16 = (const u16 *)buf; writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); i += 2; } else { @@ -723,8 +723,7 @@ static int nozomi_read_config_table(struct nozomi *dc) /* Enable uplink interrupts */ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL}; + static const u16 mask[] = {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier |= mask[port]; @@ -737,8 +736,8 @@ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) /* Disable uplink interrupts */ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL}; + static const u16 mask[] = + {~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier &= mask[port]; @@ -751,8 +750,7 @@ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) /* Enable downlink interrupts */ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL}; + static const u16 mask[] = {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier |= mask[port]; @@ -765,8 +763,8 @@ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) /* Disable downlink interrupts */ static void disable_transmit_dl(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL}; + static const u16 mask[] = + {~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier &= mask[port]; @@ -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) { u32 size = 0; - struct port *port = &dc->port[index]; + const struct port *port = &dc->port[index]; u8 toggle = port->toggle_ul; void __iomem *addr = port->ul_addr[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, 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); } @@ -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, 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); } @@ -1682,7 +1680,7 @@ static int ntty_write_room(struct tty_struct *tty) { struct port *port = tty->driver_data; int room = 0; - struct nozomi *dc = get_dc_by_tty(tty); + const struct nozomi *dc = get_dc_by_tty(tty); if (!dc || !port) return 0; @@ -1702,9 +1700,9 @@ exit: /* Gets io control parameters */ static int ntty_tiocmget(struct tty_struct *tty, struct file *file) { - struct port *port = tty->driver_data; - struct ctrl_dl *ctrl_dl = &port->ctrl_dl; - struct ctrl_ul *ctrl_ul = &port->ctrl_ul; + const struct port *port = tty->driver_data; + const struct ctrl_dl *ctrl_dl = &port->ctrl_dl; + const struct ctrl_ul *ctrl_ul = &port->ctrl_ul; return (ctrl_ul->RTS ? TIOCM_RTS : 0) | (ctrl_ul->DTR ? TIOCM_DTR : 0) | |