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Add per-device dma_mapping_ops support for CONFIG_X86_64 as POWER
architecture does:
This enables us to cleanly fix the Calgary IOMMU issue that some devices
are not behind the IOMMU (http://lkml.org/lkml/2008/5/8/423).
I think that per-device dma_mapping_ops support would be also helpful for
KVM people to support PCI passthrough but Andi thinks that this makes it
difficult to support the PCI passthrough (see the above thread). So I
CC'ed this to KVM camp. Comments are appreciated.
A pointer to dma_mapping_ops to struct dev_archdata is added. If the
pointer is non NULL, DMA operations in asm/dma-mapping.h use it. If it's
NULL, the system-wide dma_ops pointer is used as before.
If it's useful for KVM people, I plan to implement a mechanism to register
a hook called when a new pci (or dma capable) device is created (it works
with hot plugging). It enables IOMMUs to set up an appropriate
dma_mapping_ops per device.
The major obstacle is that dma_mapping_error doesn't take a pointer to the
device unlike other DMA operations. So x86 can't have dma_mapping_ops per
device. Note all the POWER IOMMUs use the same dma_mapping_error function
so this is not a problem for POWER but x86 IOMMUs use different
dma_mapping_error functions.
The first patch adds the device argument to dma_mapping_error. The patch
is trivial but large since it touches lots of drivers and dma-mapping.h in
all the architecture.
This patch:
dma_mapping_error() doesn't take a pointer to the device unlike other DMA
operations. So we can't have dma_mapping_ops per device.
Note that POWER already has dma_mapping_ops per device but all the POWER
IOMMUs use the same dma_mapping_error function. x86 IOMMUs use device
argument.
[akpm@linux-foundation.org: fix sge]
[akpm@linux-foundation.org: fix svc_rdma]
[akpm@linux-foundation.org: build fix]
[akpm@linux-foundation.org: fix bnx2x]
[akpm@linux-foundation.org: fix s2io]
[akpm@linux-foundation.org: fix pasemi_mac]
[akpm@linux-foundation.org: fix sdhci]
[akpm@linux-foundation.org: build fix]
[akpm@linux-foundation.org: fix sparc]
[akpm@linux-foundation.org: fix ibmvscsi]
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Muli Ben-Yehuda <muli@il.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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device_create() is race-prone, so use the race-free
device_create_drvdata() instead as device_create() is going away.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (277 commits)
V4L/DVB (8415): gspca: Infinite loop in i2c_w() of etoms.
V4L/DVB (8414): videodev/cx18: fix get_index bug and error-handling lock-ups
V4L/DVB (8411): videobuf-dma-contig.c: fix 64-bit build for pre-2.6.24 kernels
V4L/DVB (8410): sh_mobile_ceu_camera: fix 64-bit compiler warnings
V4L/DVB (8397): video: convert select VIDEO_ZORAN_ZR36060 into depends on
V4L/DVB (8396): video: Fix Kbuild dependency for VIDEO_IR_I2C
V4L/DVB (8395): saa7134: Fix Kbuild dependency of ir-kbd-i2c
V4L/DVB (8394): ir-common: CodingStyle fix: move EXPORT_SYMBOL_GPL to their proper places
V4L/DVB (8393): media/video: Fix depencencies for VIDEOBUF
V4L/DVB (8392): media/Kconfig: Convert V4L1_COMPAT select into "depends on"
V4L/DVB (8390): videodev: add comment and remove magic number.
V4L/DVB (8389): videodev: simplify get_index()
V4L/DVB (8387): Some cosmetic changes
V4L/DVB (8381): ov7670: fix compile warnings
V4L/DVB (8380): saa7115: use saa7115_auto instead of saa711x as the autodetect driver name.
V4L/DVB (8379): saa7127: Make device detection optional
V4L/DVB (8378): cx18: move cx18_av_vbi_setup to av-core.c and rename to cx18_av_std_setup
V4L/DVB (8377): ivtv/cx18: ensure the default control values are correct
V4L/DVB (8376): cx25840: move cx25840_vbi_setup to core.c and rename to cx25840_std_setup
V4L/DVB (8374): gspca: No conflict of 0c45:6011 with the sn9c102 driver.
...
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Fix build with CONFIG_INPUT_EVDEV=n (Bug #11042).
Thanks to Toralf Förster <toralf.foerster@gmx.de> for reporting.
Thanks-to: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix compiler warning caused by a typo in the tda10023_attach dummy routine.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix the build error:
smscoreapi.c:689: error: 'uintptr_t' undeclared
Thanks to Peter Schlaf for reporting this.
Cc: Peter Schlaf <peter.schlaf@web.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix the following warnings generated by checkpatch.pl:
WARNING: Use #include <linux/io.h> instead of <asm/io.h>
251: FILE: linux/drivers/media/dvb/siano/smscoreapi.c:30:
+#include <asm/io.h>
WARNING: Use #include <linux/scatterlist.h> instead of <asm/scatterlist.h>
1566: FILE: linux/drivers/media/dvb/siano/smscoreapi.h:29:
+#include <asm/scatterlist.h>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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stellar and nova
Assign the following firmware filenames:
sms1xxx-stellar-dvbt-01.fw
sms1xxx-nova-a-dvbt-01.fw
sms1xxx-nova-b-dvbt-01.fw
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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stellar usb1 sticks
Add the capability to define device-specific firmware filenames for the SMS1010,
with a mechanism to fall back to the generic firmware if the device-specific
firmware is not present.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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remove typedef struct mutex kmutex_t
fix one line > 80 columns
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix the following build warning:
smscoreapi.c: In function 'smscore_detect_mode':
smscoreapi.c:689: warning: cast from pointer to integer of different size
smscoreapi.c:689: warning: cast to pointer from integer of different size
smscoreapi.c: In function 'smscore_set_device_mode':
smscoreapi.c:820: warning: cast from pointer to integer of different size
smscoreapi.c:820: warning: cast to pointer from integer of different size
...and fix the following OOPS on 64bit kernels:
[ 717.263667] usb 6-4: new high speed USB device using ehci_hcd and address 2
[ 717.396386] usb 6-4: configuration #1 chosen from 1 choice
[ 717.473650] Unable to handle kernel paging request at 0000000000c02000 RIP:
[ 717.473657] [<ffffffff88db9edc>] :sms1xxx:smscore_set_device_mode+0x22c/0x4a0
[ 717.473669] PGD 3c6f7067 PUD 3d484067 PMD 0
[ 717.473674] Oops: 0002 [1] SMP
[ 717.473678] CPU 0
[Modules linked in snipped]
[ 717.473773] Pid: 8380, comm: modprobe Tainted: P 2.6.24-16-generic #1
[ 717.473776] RIP: 0010:[<ffffffff88db9edc>] [<ffffffff88db9edc>] :sms1xxx:smscore_set_device_mode+0x22c/0x4a0
[ 717.473784] RSP: 0018:ffff81003d495ba8 EFLAGS: 00010206
[ 717.473786] RAX: ffff81003d8cd8d0 RBX: ffff81003d8cd800 RCX: ffff81003d8cd8d0
[ 717.473788] RDX: 0000000000000008 RSI: ffff81003f080070 RDI: ffff81003d8cd800
[ 717.473791] RBP: 0000000000000004 R08: ffff81003ec0104b R09: ffffffffffffffff
[ 717.473793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000c02000
[ 717.473796] R13: 00000000fffffff4 R14: ffff810000c02000 R15: ffff81003d8cd878
[ 717.473799] FS: 00007f70a680f6e0(0000) GS:ffffffff805b0000(0000) knlGS:0000000000000000
[ 717.473801] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 717.473804] CR2: 0000000000c02000 CR3: 000000003c68b000 CR4: 00000000000006e0
[ 717.473806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.473809] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 717.473812] Process modprobe (pid: 8380, threadinfo ffff81003d494000, task ffff81003d2fc000)
[ 717.473814] Stack: ffff81003d8cd800 ffff81003d8cd800 0000000000000000 ffff81003c6d8000
[ 717.473820] ffff81003dcac800 0000000000000008 ffffc20000787bb0 ffffffff88dba16c
[ 717.473825] ffff81003dcac800 000000000000000a 0000000000000000 ffffffff88dbb2fa
[ 717.473829] Call Trace:
[ 717.473866] [<ffffffff88dba16c>] :sms1xxx:smscore_start_device+0x1c/0xb0
[ 717.473885] [<ffffffff88dbb2fa>] :sms1xxx:smsusb_probe+0x29a/0x670
[ 717.473929] [<ffffffff88dbaca0>] :sms1xxx:smsusb_sendrequest+0x0/0x30
[ 717.473965] [<ffffffff804614d9>] mutex_lock+0x9/0x20
[ 717.473998] [<ffffffff8806c42e>] :usbcore:usb_autopm_do_device+0x8e/0x130
[ 717.474040] [<ffffffff8806d33a>] :usbcore:usb_probe_interface+0xda/0x160
[ 717.474067] [<ffffffff803b9f4c>] driver_probe_device+0x9c/0x1b0
[ 717.474091] [<ffffffff803ba219>] __driver_attach+0xc9/0xd0
[ 717.474107] [<ffffffff803ba150>] __driver_attach+0x0/0xd0
[ 717.474115] [<ffffffff803b918d>] bus_for_each_dev+0x4d/0x80
[ 717.474156] [<ffffffff803b959c>] bus_add_driver+0xac/0x220
[ 717.474203] [<ffffffff8806cde9>] :usbcore:usb_register_driver+0xa9/0x120
[ 717.474232] [<ffffffff88dbb00b>] :sms1xxx:smsusb_register+0x1b/0x70
[ 717.474243] [<ffffffff88dba50c>] :sms1xxx:smscore_module_init+0x7c/0xb0
[ 717.474253] [<ffffffff80263b6e>] sys_init_module+0x18e/0x1a90
[ 717.474426] [<ffffffff8020c37e>] system_call+0x7e/0x83
[ 717.474490]
[ 717.474491]
[ 717.474492] Code: 66 41 c7 04 24 9c 02 41 c6 44 24 02 00 4c 89 e6 41 c6 44 24
[ 717.474506] RIP [<ffffffff88db9edc>] :sms1xxx:smscore_set_device_mode+0x22c/0x4a0
[ 717.474513] RSP <ffff81003d495ba8>
[ 717.474515] CR2: 0000000000c02000
[ 717.474521] ---[ end trace 52d9c6f207be106a ]---
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Provide an option to enable / disable support for Siano's default usb ids.
This allows the support for Siano's USB IDs to be disabled, so that Siano's
external driver can be used, instead.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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argument x has type 'size_t'
Fix the following 64bit build warning:
make[2]: Entering directory `/usr/src/linux-headers-2.6.24-16-generic'
CC [M] smscoreapi.o
smscoreapi.c: In function 'smscore_load_firmware_from_file':
smscoreapi.c:604: warning: format '%d' expects type 'int', but argument 4 has type 'size_t'
CC [M] smsusb.o
smsusb.c: In function 'smsusb1_load_firmware':
smsusb.c:216: warning: format '%d' expects type 'int', but argument 3 has type 'size_t'
smsusb.c:223: warning: format '%d' expects type 'int', but argument 4 has type 'size_t'
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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set MODULE_DESCRIPTION to "Driver for the Siano SMS1XXX USB dongle"
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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filenames
Add the capability to define device-specific firmware filenames for the SMS1150,
with a mechanism to fall back to the generic firmware if the device-specific
firmware is not present.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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All dmesg spam turned off by default, for now. Values for debug:
(info=1, adv=2 (or-able)
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Set board ID in the usb_device_id table's driver_info field.
Use board name when registering the dvb adapter.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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fix the following checkpatch.pl warning:
WARNING: unnecessary cast may hide bugs,
see http://c-faq.com/malloc/mallocnocast.html
596: FILE: linux/drivers/media/dvb/siano/smscoreapi.c:540:
+ msg = (struct SmsMsgHdr_ST *) kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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level
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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ERROR: "(foo*)" should be "(foo *)"
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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be "foo *bar"
ERROR: "foo* bar" should be "foo *bar"
ERROR: "foo * bar" should be "foo *bar"
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Also remove some blank lines that were used to split compat code at -devel
tree.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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