diff options
49 files changed, 321 insertions, 143 deletions
diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt index 9f09557aea3..a12ea3b586e 100644 --- a/Documentation/input/multi-touch-protocol.txt +++ b/Documentation/input/multi-touch-protocol.txt @@ -18,8 +18,12 @@ Usage Anonymous finger details are sent sequentially as separate packets of ABS events. Only the ABS_MT events are recognized as part of a finger packet. The end of a packet is marked by calling the input_mt_sync() -function, which generates a SYN_MT_REPORT event. The end of multi-touch -transfer is marked by calling the usual input_sync() function. +function, which generates a SYN_MT_REPORT event. This instructs the +receiver to accept the data for the current finger and prepare to receive +another. The end of a multi-touch transfer is marked by calling the usual +input_sync() function. This instructs the receiver to act upon events +accumulated since last EV_SYN/SYN_REPORT and prepare to receive a new +set of events/packets. A set of ABS_MT events with the desired properties is defined. The events are divided into categories, to allow for partial implementation. The @@ -27,11 +31,26 @@ minimum set consists of ABS_MT_TOUCH_MAJOR, ABS_MT_POSITION_X and ABS_MT_POSITION_Y, which allows for multiple fingers to be tracked. If the device supports it, the ABS_MT_WIDTH_MAJOR may be used to provide the size of the approaching finger. Anisotropy and direction may be specified with -ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and ABS_MT_ORIENTATION. Devices with -more granular information may specify general shapes as blobs, i.e., as a -sequence of rectangular shapes grouped together by an -ABS_MT_BLOB_ID. Finally, the ABS_MT_TOOL_TYPE may be used to specify -whether the touching tool is a finger or a pen or something else. +ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and ABS_MT_ORIENTATION. The +ABS_MT_TOOL_TYPE may be used to specify whether the touching tool is a +finger or a pen or something else. Devices with more granular information +may specify general shapes as blobs, i.e., as a sequence of rectangular +shapes grouped together by an ABS_MT_BLOB_ID. Finally, for the few devices +that currently support it, the ABS_MT_TRACKING_ID event may be used to +report finger tracking from hardware [5]. + +Here is what a minimal event sequence for a two-finger touch would look +like: + + ABS_MT_TOUCH_MAJOR + ABS_MT_POSITION_X + ABS_MT_POSITION_Y + SYN_MT_REPORT + ABS_MT_TOUCH_MAJOR + ABS_MT_POSITION_X + ABS_MT_POSITION_Y + SYN_MT_REPORT + SYN_REPORT Event Semantics @@ -44,24 +63,24 @@ ABS_MT_TOUCH_MAJOR The length of the major axis of the contact. The length should be given in surface units. If the surface has an X times Y resolution, the largest -possible value of ABS_MT_TOUCH_MAJOR is sqrt(X^2 + Y^2), the diagonal. +possible value of ABS_MT_TOUCH_MAJOR is sqrt(X^2 + Y^2), the diagonal [4]. ABS_MT_TOUCH_MINOR The length, in surface units, of the minor axis of the contact. If the -contact is circular, this event can be omitted. +contact is circular, this event can be omitted [4]. ABS_MT_WIDTH_MAJOR The length, in surface units, of the major axis of the approaching tool. This should be understood as the size of the tool itself. The orientation of the contact and the approaching tool are assumed to be the -same. +same [4]. ABS_MT_WIDTH_MINOR The length, in surface units, of the minor axis of the approaching -tool. Omit if circular. +tool. Omit if circular [4]. The above four values can be used to derive additional information about the contact. The ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR approximates @@ -70,14 +89,17 @@ different characteristic widths [1]. ABS_MT_ORIENTATION -The orientation of the ellipse. The value should describe half a revolution -clockwise around the touch center. The scale of the value is arbitrary, but -zero should be returned for an ellipse aligned along the Y axis of the -surface. As an example, an index finger placed straight onto the axis could -return zero orientation, something negative when twisted to the left, and -something positive when twisted to the right. This value can be omitted if -the touching object is circular, or if the information is not available in -the kernel driver. +The orientation of the ellipse. The value should describe a signed quarter +of a revolution clockwise around the touch center. The signed value range +is arbitrary, but zero should be returned for a finger aligned along the Y +axis of the surface, a negative value when finger is turned to the left, and +a positive value when finger turned to the right. When completely aligned with +the X axis, the range max should be returned. Orientation can be omitted +if the touching object is circular, or if the information is not available +in the kernel driver. Partial orientation support is possible if the device +can distinguish between the two axis, but not (uniquely) any values in +between. In such cases, the range of ABS_MT_ORIENTATION should be [0, 1] +[4]. ABS_MT_POSITION_X @@ -98,8 +120,35 @@ ABS_MT_BLOB_ID The BLOB_ID groups several packets together into one arbitrarily shaped contact. This is a low-level anonymous grouping, and should not be confused -with the high-level contactID, explained below. Most kernel drivers will -not have this capability, and can safely omit the event. +with the high-level trackingID [5]. Most kernel drivers will not have blob +capability, and can safely omit the event. + +ABS_MT_TRACKING_ID + +The TRACKING_ID identifies an initiated contact throughout its life cycle +[5]. There are currently only a few devices that support it, so this event +should normally be omitted. + + +Event Computation +----------------- + +The flora of different hardware unavoidably leads to some devices fitting +better to the MT protocol than others. To simplify and unify the mapping, +this section gives recipes for how to compute certain events. + +For devices reporting contacts as rectangular shapes, signed orientation +cannot be obtained. Assuming X and Y are the lengths of the sides of the +touching rectangle, here is a simple formula that retains the most +information possible: + + ABS_MT_TOUCH_MAJOR := max(X, Y) + ABS_MT_TOUCH_MINOR := min(X, Y) + ABS_MT_ORIENTATION := bool(X > Y) + +The range of ABS_MT_ORIENTATION should be set to [0, 1], to indicate that +the device can distinguish between a finger along the Y axis (0) and a +finger along the X axis (1). Finger Tracking @@ -109,14 +158,18 @@ The kernel driver should generate an arbitrary enumeration of the set of anonymous contacts currently on the surface. The order in which the packets appear in the event stream is not important. -The process of finger tracking, i.e., to assign a unique contactID to each +The process of finger tracking, i.e., to assign a unique trackingID to each initiated contact on the surface, is left to user space; preferably the -multi-touch X driver [3]. In that driver, the contactID stays the same and +multi-touch X driver [3]. In that driver, the trackingID stays the same and unique until the contact vanishes (when the finger leaves the surface). The problem of assigning a set of anonymous fingers to a set of identified fingers is a euclidian bipartite matching problem at each event update, and relies on a sufficiently rapid update rate. +There are a few devices that support trackingID in hardware. User space can +make use of these native identifiers to reduce bandwidth and cpu usage. + + Notes ----- @@ -136,5 +189,7 @@ could be used to derive tilt. time of writing (April 2009), the MT protocol is not yet merged, and the prototype implements finger matching, basic mouse support and two-finger scrolling. The project aims at improving the quality of current multi-touch -functionality available in the synaptics X driver, and in addition +functionality available in the Synaptics X driver, and in addition implement more advanced gestures. +[4] See the section on event computation. +[5] See the section on finger tracking. diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt index bba2dbb79d8..cfac20cf9e3 100644 --- a/Documentation/sound/alsa/Procfile.txt +++ b/Documentation/sound/alsa/Procfile.txt @@ -104,6 +104,11 @@ card*/pcm*/xrun_debug When this value is greater than 1, the driver will show the stack trace additionally. This may help the debugging. + Since 2.6.30, this option also enables the hwptr check using + jiffies. This detects spontaneous invalid pointer callback + values, but can be lead to too much corrections for a (mostly + buggy) hardware that doesn't give smooth pointer updates. + card*/pcm*/sub*/info The general information of this PCM sub-stream. diff --git a/MAINTAINERS b/MAINTAINERS index 5ee166e27b9..41c6605feb0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -434,7 +434,7 @@ F: arch/alpha/ AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER P: Thomas Dahlmann -M: thomas.dahlmann@amd.com +M: dahlmann.thomas@arcor.de L: linux-geode@lists.infradead.org (moderated for non-subscribers) S: Supported F: drivers/usb/gadget/amd5536udc.* @@ -1971,8 +1971,8 @@ F: include/linux/edac.h EDAC-E752X P: Mark Gross -P: Doug Thompson M: mark.gross@intel.com +P: Doug Thompson M: dougthompson@xmission.com L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) W: bluesmoke.sourceforge.net diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h index 1d77e51907f..59426a4595c 100644 --- a/arch/arm/include/asm/flat.h +++ b/arch/arm/include/asm/flat.h @@ -5,9 +5,6 @@ #ifndef __ARM_FLAT_H__ #define __ARM_FLAT_H__ -/* An odd number of words will be pushed after this alignment, so - deliberately misalign the value. */ -#define flat_stack_align(sp) sp = (void *)(((unsigned long)(sp) - 4) | 4) #define flat_argvp_envp_on_stack() 1 #define flat_old_ram_flag(flags) (flags) #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) diff --git a/arch/blackfin/include/asm/flat.h b/arch/blackfin/include/asm/flat.h index e70074e05f4..733a178d782 100644 --- a/arch/blackfin/include/asm/flat.h +++ b/arch/blackfin/include/asm/flat.h @@ -10,7 +10,6 @@ #include <asm/unaligned.h> -#define flat_stack_align(sp) /* nothing needed */ #define flat_argvp_envp_on_stack() 0 #define flat_old_ram_flag(flags) (flags) diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h index 2a873508a9a..bd12b31b90e 100644 --- a/arch/h8300/include/asm/flat.h +++ b/arch/h8300/include/asm/flat.h @@ -5,7 +5,6 @@ #ifndef __H8300_FLAT_H__ #define __H8300_FLAT_H__ -#define flat_stack_align(sp) /* nothing needed */ #define flat_argvp_envp_on_stack() 1 #define flat_old_ram_flag(flags) 1 #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) diff --git a/arch/m32r/include/asm/flat.h b/arch/m32r/include/asm/flat.h index d851cf0c4aa..5d711c4688f 100644 --- a/arch/m32r/include/asm/flat.h +++ b/arch/m32r/include/asm/flat.h @@ -12,7 +12,6 @@ #ifndef __ASM_M32R_FLAT_H #define __ASM_M32R_FLAT_H -#define flat_stack_align(sp) (*sp += (*sp & 3 ? (4 - (*sp & 3)): 0)) #define flat_argvp_envp_on_stack() 0 #define flat_old_ram_flag(flags) (flags) #define flat_set_persistent(relval, p) 0 diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h index 814b5174a8e..a0e29079397 100644 --- a/arch/m68k/include/asm/flat.h +++ b/arch/m68k/include/asm/flat.h @@ -5,7 +5,6 @@ #ifndef __M68KNOMMU_FLAT_H__ #define __M68KNOMMU_FLAT_H__ -#define flat_stack_align(sp) /* nothing needed */ #define flat_argvp_envp_on_stack() 1 #define flat_old_ram_flag(flags) (flags) #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) diff --git a/arch/sh/include/asm/flat.h b/arch/sh/include/asm/flat.h index d3b2b4f109e..5d84df5e27f 100644 --- a/arch/sh/include/asm/flat.h +++ b/arch/sh/include/asm/flat.h @@ -12,7 +12,6 @@ #ifndef __ASM_SH_FLAT_H #define __ASM_SH_FLAT_H -#define flat_stack_align(sp) /* nothing needed */ #define flat_argvp_envp_on_stack() 0 #define flat_old_ram_flag(flags) (flags) #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 8f307d914c2..f46c340727b 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -26,12 +26,16 @@ static unsigned long page_table_shareable(struct vm_area_struct *svma, unsigned long sbase = saddr & PUD_MASK; unsigned long s_end = sbase + PUD_SIZE; + /* Allow segments to share if only one is marked locked */ + unsigned long vm_flags = vma->vm_flags & ~VM_LOCKED; + unsigned long svm_flags = svma->vm_flags & ~VM_LOCKED; + /* * match the virtual addresses, permission and the alignment of the * page table page. */ if (pmd_index(addr) != pmd_index(saddr) || - vma->vm_flags != svma->vm_flags || + vm_flags != svm_flags || sbase < svma->vm_start || svma->vm_end < s_end) return 0; diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index e5f5c5a8ba6..956982f8739 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -192,16 +192,20 @@ config EDAC_PPC4XX config EDAC_AMD8131 tristate "AMD8131 HyperTransport PCI-X Tunnel" - depends on EDAC_MM_EDAC && PCI + depends on EDAC_MM_EDAC && PCI && PPC_MAPLE help Support for error detection and correction on the AMD8131 HyperTransport PCI-X Tunnel chip. + Note, add more Kconfig dependency if it's adopted + on some machine other than Maple. config EDAC_AMD8111 tristate "AMD8111 HyperTransport I/O Hub" - depends on EDAC_MM_EDAC && PCI + depends on EDAC_MM_EDAC && PCI && PPC_MAPLE help Support for error detection and correction on the AMD8111 HyperTransport I/O Hub chip. + Note, add more Kconfig dependency if it's adopted + on some machine other than Maple. endif # EDAC diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index a5fdcf02f59..59076819135 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -35,3 +35,5 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac.o obj-$(CONFIG_EDAC_MV64X60) += mv64x60_edac.o obj-$(CONFIG_EDAC_CELL) += cell_edac.o obj-$(CONFIG_EDAC_PPC4XX) += ppc4xx_edac.o +obj-$(CONFIG_EDAC_AMD8111) += amd8111_edac.o +obj-$(CONFIG_EDAC_AMD8131) += amd8131_edac.o diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c index 61469218112..2cb58ef743e 100644 --- a/drivers/edac/amd8111_edac.c +++ b/drivers/edac/amd8111_edac.c @@ -389,7 +389,7 @@ static int amd8111_dev_probe(struct pci_dev *dev, dev_info->edac_dev->dev = &dev_info->dev->dev; dev_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR; dev_info->edac_dev->ctl_name = dev_info->ctl_name; - dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id; + dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev); if (edac_op_state == EDAC_OPSTATE_POLL) dev_info->edac_dev->edac_check = dev_info->check; @@ -473,7 +473,7 @@ static int amd8111_pci_probe(struct pci_dev *dev, pci_info->edac_dev->dev = &pci_info->dev->dev; pci_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR; pci_info->edac_dev->ctl_name = pci_info->ctl_name; - pci_info->edac_dev->dev_name = pci_info->dev->dev.bus_id; + pci_info->edac_dev->dev_name = dev_name(&pci_info->dev->dev); if (edac_op_state == EDAC_OPSTATE_POLL) pci_info->edac_dev->edac_check = pci_info->check; diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c index c083b31cac5..b432d60c622 100644 --- a/drivers/edac/amd8131_edac.c +++ b/drivers/edac/amd8131_edac.c @@ -287,7 +287,7 @@ static int amd8131_probe(struct pci_dev *dev, const struct pci_device_id *id) dev_info->edac_dev->dev = &dev_info->dev->dev; dev_info->edac_dev->mod_name = AMD8131_EDAC_MOD_STR; dev_info->edac_dev->ctl_name = dev_info->ctl_name; - dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id; + dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev); if (edac_op_state == EDAC_OPSTATE_POLL) dev_info->edac_dev->edac_check = amd8131_chipset.check; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 717b6a854bc..670d1288146 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1145,6 +1145,13 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) mutex_unlock(&dev->struct_mutex); return VM_FAULT_SIGBUS; } + + ret = i915_gem_object_set_to_gtt_domain(obj, write); + if (ret) { + mutex_unlock(&dev->struct_mutex); + return VM_FAULT_SIGBUS; + } + list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list); } @@ -2128,8 +2135,10 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg) return; } - pitch_val = (obj_priv->stride / 128) - 1; - WARN_ON(pitch_val & ~0x0000000f); + pitch_val = obj_priv->stride / 128; + pitch_val = ffs(pitch_val) - 1; + WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL); + val = obj_priv->gtt_offset; if (obj_priv->tiling_mode == I915_TILING_Y) val |= 1 << I830_FENCE_TILING_Y_SHIFT; @@ -2421,6 +2430,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj) if (obj_priv->pages == NULL) return; + /* XXX: The 865 in particular appears to be weird in how it handles + * cache flushing. We haven't figured it out, but the + * clflush+agp_chipset_flush doesn't appear to successfully get the + * data visible to the PGU, while wbinvd + agp_chipset_flush does. + */ + if (IS_I865G(obj->dev)) { + wbinvd(); + return; + } + drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE); } diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 52a059354e8..540dd336e6e 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -213,7 +213,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode) if (tiling_mode == I915_TILING_NONE) return true; - if (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)) + if (!IS_I9XX(dev) || + (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))) tile_width = 128; else tile_width = 512; @@ -225,11 +226,18 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode) if (stride / 128 > I965_FENCE_MAX_PITCH_VAL) return false; } else if (IS_I9XX(dev)) { - if (stride / tile_width > I830_FENCE_MAX_PITCH_VAL || + uint32_t pitch_val = ffs(stride / tile_width) - 1; + + /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB) + * instead of 4 (2KB) on 945s. + */ + if (pitch_val > I915_FENCE_MAX_PITCH_VAL || size > (I830_FENCE_MAX_SIZE_VAL << 20)) return false; } else { - if (stride / 128 > I830_FENCE_MAX_PITCH_VAL || + uint32_t pitch_val = ffs(stride / tile_width) - 1; + + if (pitch_val > I830_FENCE_MAX_PITCH_VAL || size > (I830_FENCE_MAX_SIZE_VAL << 19)) return false; } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9668cc0d7f4..375569d01d0 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -190,7 +190,8 @@ #define I830_FENCE_SIZE_BITS(size) ((ffs((size) >> 19) - 1) << 8) #define I830_FENCE_PITCH_SHIFT 4 #define I830_FENCE_REG_VALID (1<<0) -#define I830_FENCE_MAX_PITCH_VAL 0x10 +#define I915_FENCE_MAX_PITCH_VAL 0x10 +#define I830_FENCE_MAX_PITCH_VAL 6 #define I830_FENCE_MAX_SIZE_VAL (1<<8) #define I915_FENCE_START_MASK 0x0ff00000 diff --git a/drivers/input/input.c b/drivers/input/input.c index e54e002665b..5d445f48789 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -42,6 +42,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = { ABS_MT_POSITION_Y, ABS_MT_TOOL_TYPE, ABS_MT_BLOB_ID, + ABS_MT_TRACKING_ID, 0 }; static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)]; diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c index 67248c31e19..be5bbbb8ae4 100644 --- a/drivers/input/serio/libps2.c +++ b/drivers/input/serio/libps2.c @@ -210,7 +210,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command) timeout = wait_event_timeout(ps2dev->wait, !(ps2dev->flags & PS2_FLAG_CMD1), timeout); - if (ps2dev->cmdcnt && timeout > 0) { + if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) { timeout = ps2_adjust_timeout(ps2dev, command, timeout); wait_event_timeout(ps2dev->wait, diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c index f100c7f4c1d..6954f550010 100644 --- a/drivers/input/touchscreen/ucb1400_ts.c +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -419,7 +419,7 @@ static int ucb1400_ts_remove(struct platform_device *dev) #ifdef CONFIG_PM static int ucb1400_ts_resume(struct platform_device *dev) { - struct ucb1400_ts *ucb = platform_get_drvdata(dev); + struct ucb1400_ts *ucb = dev->dev.platform_data; if (ucb->ts_task) { /* diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c index e6a7e847ee8..ea31a452b15 100644 --- a/drivers/parport/parport_gsc.c +++ b/drivers/parport/parport_gsc.c @@ -352,8 +352,8 @@ static int __devinit parport_init_chip(struct parisc_device *dev) unsigned long port; if (!dev->irq) { - printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n", - dev->hpa.start); + printk(KERN_WARNING "IRQ not found for parallel device at 0x%llx\n", + (unsigned long long)dev->hpa.start); return -ENODEV; } diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index b4b39811b44..a0127e93ade 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -137,6 +137,7 @@ struct uart_8250_port { unsigned char mcr; unsigned char mcr_mask; /* mask of user bits */ unsigned char mcr_force; /* mask of forced bits */ + unsigned char cur_iotype; /* Running I |