diff options
| author | Alex Dubov <oakad@yahoo.com> | 2007-05-01 20:14:55 -0700 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-05-08 22:41:47 +0200 |
| commit | 055b8224140e7a7515bf8113ce675d58abffedf1 (patch) | |
| tree | 32528d9920e9819079fce8e0d43f06d75c28da01 /drivers/misc/tifm_7xx1.c | |
| parent | 36f021b579d195cdc5fa6f3e2bab198b4bf70643 (diff) | |
| download | linux-055b8224140e7a7515bf8113ce675d58abffedf1.tar.bz2 | |
disable socket power in adapter driver instead of media one
Socket power must be fully controlled by adapter driver. This also prevents
unnecessary power-off of the socket when media driver is unloaded, yet
media remains in the socket.
Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/misc/tifm_7xx1.c')
| -rw-r--r-- | drivers/misc/tifm_7xx1.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c index 1ba6c085419a..c08ad8f823d2 100644 --- a/drivers/misc/tifm_7xx1.c +++ b/drivers/misc/tifm_7xx1.c @@ -105,7 +105,8 @@ static unsigned char tifm_7xx1_toggle_sock_power(char __iomem *sock_addr) == TIFM_TYPE_XD) msleep(40); - writel((s_state & 7) | 0x0c00, sock_addr + SOCK_CONTROL); + writel((s_state & TIFM_CTRL_POWER_MASK) | 0x0c00, + sock_addr + SOCK_CONTROL); /* wait for power to stabilize */ msleep(20); for (cnt = 16; cnt <= 256; cnt <<= 1) { @@ -122,6 +123,12 @@ static unsigned char tifm_7xx1_toggle_sock_power(char __iomem *sock_addr) return (readl(sock_addr + SOCK_PRESENT_STATE) >> 4) & 7; } +inline static void tifm_7xx1_sock_power_off(char __iomem *sock_addr) +{ + writel((~TIFM_CTRL_POWER_MASK) & readl(sock_addr + SOCK_CONTROL), + sock_addr + SOCK_CONTROL); +} + inline static char __iomem * tifm_7xx1_sock_addr(char __iomem *base_addr, unsigned int sock_num) { @@ -133,6 +140,7 @@ static void tifm_7xx1_switch_media(struct work_struct *work) struct tifm_adapter *fm = container_of(work, struct tifm_adapter, media_switcher); struct tifm_dev *sock; + char __iomem *sock_addr; unsigned long flags; unsigned char media_id; unsigned int socket_change_set, cnt; @@ -158,11 +166,12 @@ static void tifm_7xx1_switch_media(struct work_struct *work) "%s : demand removing card from socket %u:%u\n", fm->cdev.class_id, fm->id, cnt); fm->sockets[cnt] = NULL; + sock_addr = sock->addr; spin_unlock_irqrestore(&fm->lock, flags); device_unregister(&sock->dev); spin_lock_irqsave(&fm->lock, flags); - writel(0x0e00, tifm_7xx1_sock_addr(fm->addr, cnt) - + SOCK_CONTROL); + tifm_7xx1_sock_power_off(sock_addr); + writel(0x0e00, sock_addr + SOCK_CONTROL); } spin_unlock_irqrestore(&fm->lock, flags); @@ -205,8 +214,16 @@ static void tifm_7xx1_switch_media(struct work_struct *work) static int tifm_7xx1_suspend(struct pci_dev *dev, pm_message_t state) { + struct tifm_adapter *fm = pci_get_drvdata(dev); + int cnt; + dev_dbg(&dev->dev, "suspending host\n"); + for (cnt = 0; cnt < fm->num_sockets; cnt++) { + if (fm->sockets[cnt]) + tifm_7xx1_sock_power_off(fm->sockets[cnt]->addr); + } + pci_save_state(dev); pci_enable_wake(dev, pci_choose_state(dev, state), 0); pci_disable_device(dev); @@ -357,6 +374,7 @@ err_out: static void tifm_7xx1_remove(struct pci_dev *dev) { struct tifm_adapter *fm = pci_get_drvdata(dev); + int cnt; fm->eject = tifm_7xx1_dummy_eject; writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); @@ -365,6 +383,9 @@ static void tifm_7xx1_remove(struct pci_dev *dev) tifm_remove_adapter(fm); + for (cnt = 0; cnt < fm->num_sockets; cnt++) + tifm_7xx1_sock_power_off(tifm_7xx1_sock_addr(fm->addr, cnt)); + pci_set_drvdata(dev, NULL); iounmap(fm->addr); |