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45baa1d1fa
linux/drivers/char
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Stefan Berger 45baa1d1fa tpm_tis: Re-enable interrupts upon (S3) resume 
This patch makes sure that if the TPM TIS interface is run in interrupt mode
(rather than polling mode) that all interrupts are enabled in the TPM's
interrupt enable register after a resume from ACPI S3 suspend. The registers
may either have been cleared by the TPM loosing its state during device sleep
or by the BIOS leaving the TPM in polling mode (after sending a command to
the TPM for starting it up again)

You may want to check if your TPM runs with interrupts by doing

cat /proc/interrupts | grep -i tpm

and see whether there is an entry or otherwise for it to use interrupts:

modprobe tpm_tis interrupts=1 [add 'itpm=1' for Intel TPM ]

v2:
  - the patch was adapted to work with the pnp and platform driver
    implementations in tpm_tis.c

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
2011-07-12 18:53:08 -03:00
..
agp agp/uninorth: Fix lockups with radeon KMS and >1x. 2011-05-22 20:23:09 +10:00
hw_random Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2011-05-20 17:24:14 -07:00
ipmi ipmi: convert to seq_file interface 2011-05-26 17:12:37 -07:00
mwave Fix common misspellings 2011-03-31 11:26:23 -03:00
pcmcia pcmcia: Convert pcmcia_device_id declarations to const 2011-05-06 07:46:22 +02:00
tpm tpm_tis: Re-enable interrupts upon (S3) resume 2011-07-12 18:53:08 -03:00
xilinx_hwicap drivercore: revert addition of of_match to struct device 2011-05-18 12:32:23 -06:00
apm-emulation.c apm-emulation: apm_mutex breaks ACK; remove it 2011-05-23 12:50:43 +02:00
applicom.c drivers/char/applicom.c: fix information leak to userland 2010-10-27 18:03:14 -07:00
applicom.h
bfin-otp.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
briq_panel.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
bsr.c powerpc/pseries/bsr: Remove redundant initialization of bsr dev_t declaration. 2011-05-04 16:02:40 +10:00
ds1302.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
ds1620.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
dsp56k.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
dtlk.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
efirtc.c efirtc: explicitly set llseek to no_llseek 2009-12-16 07:19:59 -08:00
generic_nvram.c drivers: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:04 +02:00
genrtc.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
hangcheck-timer.c Input: sysrq - drop tty argument form handle_sysrq() 2010-08-21 00:34:45 -07:00
hpet.c drivers/char/hpet.c: fix periodic-emulation for delayed interrupts 2011-06-15 20:04:02 -07:00
i8k.c i8k: Integrate with the hwmon subsystem 2011-05-25 20:43:33 +02:00
Kconfig Allow setting of number of raw devices as a module parameter 2011-05-06 17:52:31 -07:00
lp.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
Makefile drivers/char: add MSM smd_pkt driver 2011-03-23 19:46:38 -07:00
mbcs.c drivers: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:04 +02:00
mbcs.h Fix common misspellings 2011-03-31 11:26:23 -03:00
mem.c kmsg: properly support writev to avoid interleaved printk lines fix 2011-04-19 17:00:48 -07:00
misc.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
mmtimer.c posix-timers: Cleanup namespace 2011-02-02 15:28:19 +01:00
msm_smd_pkt.c drivers/char: add MSM smd_pkt driver 2011-03-23 19:46:38 -07:00
mspec.c drivers/char/mspec.c: use {k,v}zalloc to allocate memory 2011-05-26 17:12:37 -07:00
nsc_gpio.c
nvram.c drivers: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:04 +02:00
nwbutton.c Fix common misspellings 2011-03-31 11:26:23 -03:00
nwbutton.h
nwflash.c drivers: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:04 +02:00
pc8736x_gpio.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
ppdev.c drivers/char/ppdev.c: put gotten port value 2011-05-26 17:12:37 -07:00
ps3flash.c drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
ramoops.c ramoops: fix types, remove typecasts 2011-01-13 08:03:23 -08:00
random.c Fix common misspellings 2011-03-31 11:26:23 -03:00
raw.c RAW driver: Remove call to kobject_put(). 2011-05-06 17:52:32 -07:00
rtc.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
scc.h
scx200_gpio.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
snsc_event.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
snsc.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
snsc.h headers: kobject.h redux 2011-01-10 08:51:44 -08:00
sonypi.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tb0219.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
tlclk.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
toshiba.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
ttyprintk.c tty: now phase out the ioctl file pointer for good 2011-02-17 11:59:56 -08:00
uv_mmtimer.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
viotape.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
virtio_console.c virtio console: don't manually set or finalize VIRTIO_CONSOLE_F_MULTIPORT. 2011-05-30 11:14:13 +09:30