diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-05 12:01:30 +0900 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-05 12:01:30 +0900 |
commit | 578f1ef91aa92beb571bfb9af8f4d18f405f3b9e (patch) | |
tree | 8ff59e772d09180b7e7f952a8c90a1bcf25e1d19 /drivers/mfd/lpc_ich.c | |
parent | ecefbd94b834fa32559d854646d777c56749ef1c (diff) | |
parent | 74d8378159de16a0a1d1975d4778120d263d6000 (diff) |
Merge tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD changes from Samuel Ortiz:
"MFD bits for the 3.7 merge window.
As usual we have a few new drivers:
- TI LP8788
- TI OMAP USB TLL
- Maxim MAX8907
- SMSC ECE1099
- Dialog Semiconductor DA9055
- A simpler syscon driver that allow us to get rid of the anatop one.
Drivers are also gradually getting Device Tree and IRQ domain support.
The following drivers got DT support:
- palmas, 88pm860x, tc3589x and twl4030-audio
And those ones now use the IRQ domain APIs:
- 88pm860x, tc3589x, db8500_prcmu
Also some other interesting changes:
- Intel's ICH LPC now supports Lynx Point
- TI's twl4030-audio added a GPO child
- tps6527 enabled its backlight subdevice
- The twl6030 pwm driver moved to the new PWM subsystem
And finally a bunch of cleanup and casual fixes for mc13xxx, 88pm860x,
palmas, ab8500, wm8994, wm5110, max8907 and the tps65xxx family."
Fix up various annoying conflicts: the DT and IRQ domain support came in
twice and was already in 3.6. And then it was apparently rebased.
Guys, DON'T REBASE!
* tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (89 commits)
ARM: dts: Enable 88pm860x pmic
mfd: 88pm860x: Move gpadc init into touch
mfd: 88pm860x: Device tree support
mfd: 88pm860x: Use irqdomain
mfd: smsc: Add support for smsc gpio io/keypad driver
backlight: tps65217_bl: Add missing platform_set_drvdata in tps65217_bl_probe
mfd: DA9055 core driver
mfd: tps65910: Add alarm interrupt of TPS65910 RTC to mfd device list
mfd: wm5110: Add register patches for revision B
mfd: wm5110: Disable control interface error report for WM5110 rev B
mfd: max8907: Remove regulator-compatible from DT docs
backlight: Add TPS65217 WLED driver
mfd: Add backlight as subdevice to the tps65217
mfd: Provide the PRCMU with its own IRQ domain
mfd: Fix max8907 sparse warning
mfd: Add lp8788 mfd driver
mfd: dbx500: Provide a more accurate smp_twd clock
mfd: rc5t583: Fix warning messages
regulator: palmas: Add DT support
mfd: palmas: Change regulator defns to better suite DT
...
Diffstat (limited to 'drivers/mfd/lpc_ich.c')
-rw-r--r-- | drivers/mfd/lpc_ich.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index 092ad4b44b6d..a22544fe5319 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -49,6 +49,7 @@ * document number TBD : DH89xxCC * document number TBD : Panther Point * document number TBD : Lynx Point + * document number TBD : Lynx Point-LP */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -192,6 +193,7 @@ enum lpc_chipsets { LPC_DH89XXCC, /* DH89xxCC */ LPC_PPT, /* Panther Point */ LPC_LPT, /* Lynx Point */ + LPC_LPT_LP, /* Lynx Point-LP */ }; struct lpc_ich_info lpc_chipset_info[] __devinitdata = { @@ -468,6 +470,10 @@ struct lpc_ich_info lpc_chipset_info[] __devinitdata = { .name = "Lynx Point", .iTCO_version = 2, }, + [LPC_LPT_LP] = { + .name = "Lynx Point_LP", + .iTCO_version = 2, + }, }; /* @@ -641,6 +647,14 @@ static DEFINE_PCI_DEVICE_TABLE(lpc_ich_ids) = { { PCI_VDEVICE(INTEL, 0x8c5d), LPC_LPT}, { PCI_VDEVICE(INTEL, 0x8c5e), LPC_LPT}, { PCI_VDEVICE(INTEL, 0x8c5f), LPC_LPT}, + { PCI_VDEVICE(INTEL, 0x9c40), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c41), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c42), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c43), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c44), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c45), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c46), LPC_LPT_LP}, + { PCI_VDEVICE(INTEL, 0x9c47), LPC_LPT_LP}, { 0, }, /* End of list */ }; MODULE_DEVICE_TABLE(pci, lpc_ich_ids); @@ -683,6 +697,30 @@ static void __devinit lpc_ich_finalize_cell(struct mfd_cell *cell, cell->pdata_size = sizeof(struct lpc_ich_info); } +/* + * We don't check for resource conflict globally. There are 2 or 3 independent + * GPIO groups and it's enough to have access to one of these to instantiate + * the device. + */ +static int __devinit lpc_ich_check_conflict_gpio(struct resource *res) +{ + int ret; + u8 use_gpio = 0; + + if (resource_size(res) >= 0x50 && + !acpi_check_region(res->start + 0x40, 0x10, "LPC ICH GPIO3")) + use_gpio |= 1 << 2; + + if (!acpi_check_region(res->start + 0x30, 0x10, "LPC ICH GPIO2")) + use_gpio |= 1 << 1; + + ret = acpi_check_region(res->start + 0x00, 0x30, "LPC ICH GPIO1"); + if (!ret) + use_gpio |= 1 << 0; + + return use_gpio ? use_gpio : ret; +} + static int __devinit lpc_ich_init_gpio(struct pci_dev *dev, const struct pci_device_id *id) { @@ -740,12 +778,13 @@ gpe0_done: break; } - ret = acpi_check_resource_conflict(res); - if (ret) { + ret = lpc_ich_check_conflict_gpio(res); + if (ret < 0) { /* this isn't necessarily fatal for the GPIO */ acpi_conflict = true; goto gpio_done; } + lpc_chipset_info[id->driver_data].use_gpio = ret; lpc_ich_enable_gpio_space(dev); lpc_ich_finalize_cell(&lpc_ich_cells[LPC_GPIO], id); |