Message ID | 1468971906-6528-4-git-send-email-jarkko.sakkinen@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Wed, Jul 20, 2016 at 02:44:58AM +0300, Jarkko Sakkinen wrote: > Since tpm_gen_interrupt() is only used in tpm_tis_core.c this commit > replaces it with an internal tpm_tis_gen_interrupt(). The semantics > also changed in a way that on a system error the driver initialization > is failed. All the patches look good to me now.. Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Jason ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports.http://sdm.link/zohodev2dev
On Wed, Jul 20, 2016 at 11:06:24AM -0600, Jason Gunthorpe wrote: > On Wed, Jul 20, 2016 at 02:44:58AM +0300, Jarkko Sakkinen wrote: > > Since tpm_gen_interrupt() is only used in tpm_tis_core.c this commit > > replaces it with an internal tpm_tis_gen_interrupt(). The semantics > > also changed in a way that on a system error the driver initialization > > is failed. > > All the patches look good to me now.. > > Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Thanks. /Jarkko ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports.http://sdm.link/zohodev2dev
On Wed, Jul 20, 2016 at 11:54:10PM +0300, Jarkko Sakkinen wrote: > On Wed, Jul 20, 2016 at 11:06:24AM -0600, Jason Gunthorpe wrote: > > On Wed, Jul 20, 2016 at 02:44:58AM +0300, Jarkko Sakkinen wrote: > > > Since tpm_gen_interrupt() is only used in tpm_tis_core.c this commit > > > replaces it with an internal tpm_tis_gen_interrupt(). The semantics > > > also changed in a way that on a system error the driver initialization > > > is failed. > > > > All the patches look good to me now.. > > > > Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> > > Thanks. The patches are applied to the master branch now. /Jarkko ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports.http://sdm.link/zohodev2dev
Hi, [auto build test ERROR on next-20160722] [cannot apply to char-misc/char-misc-testing v4.7-rc7 v4.7-rc6 v4.7-rc5 v4.7-rc7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jarkko-Sakkinen/Use-tpm_transmit_cmd-consistently-across-kernel-call-sites/20160724-131407 config: i386-randconfig-i1-201630 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): >> ERROR: "tpm_getcap" [drivers/char/tpm/tpm_tis_core.ko] undefined! >> ERROR: "tpm2_get_tpm_pt" [drivers/char/tpm/tpm_tis_core.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports.http://sdm.link/zohodev2dev
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 1abe2d7..f43cc3f 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -459,21 +459,6 @@ ssize_t tpm_getcap(struct tpm_chip *chip, __be32 subcap_id, cap_t *cap, return rc; } -void tpm_gen_interrupt(struct tpm_chip *chip) -{ - struct tpm_cmd_t tpm_cmd; - ssize_t rc; - - tpm_cmd.header.in = tpm_getcap_header; - tpm_cmd.params.getcap_in.cap = TPM_CAP_PROP; - tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4); - tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT; - - rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, - "attempting to determine the timeouts"); -} -EXPORT_SYMBOL_GPL(tpm_gen_interrupt); - #define TPM_ORD_STARTUP cpu_to_be32(153) #define TPM_ST_CLEAR cpu_to_be16(1) #define TPM_ST_STATE cpu_to_be16(2) diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 8b864dd..6e002c4 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -483,7 +483,6 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, ssize_t tpm_transmit_cmd(struct tpm_chip *chip, void *cmd, int len, const char *desc); int tpm_get_timeouts(struct tpm_chip *chip); -void tpm_gen_interrupt(struct tpm_chip *chip); int tpm1_auto_startup(struct tpm_chip *chip); int tpm_do_selftest(struct tpm_chip *chip); unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); @@ -530,6 +529,5 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, int tpm2_auto_startup(struct tpm_chip *chip); void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type); unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); -int tpm2_gen_interrupt(struct tpm_chip *chip); int tpm2_probe(struct tpm_chip *chip); #endif diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 08c7e23..1c393ba 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -895,23 +895,6 @@ static int tpm2_do_selftest(struct tpm_chip *chip) } /** - * tpm2_gen_interrupt() - generate an interrupt - * @chip: TPM chip to use - * - * 0 is returned when the operation is successful. If a negative number is - * returned it remarks a POSIX error code. If a positive number is returned - * it remarks a TPM error. - */ -int tpm2_gen_interrupt(struct tpm_chip *chip) -{ - u32 dummy; - - return tpm2_get_tpm_pt(chip, 0x100, &dummy, - "attempting to generate an interrupt"); -} -EXPORT_SYMBOL_GPL(tpm2_gen_interrupt); - -/** * tpm2_probe() - probe TPM 2.0 * @chip: TPM chip to use * diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index d66f51b..f22caf8 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -526,6 +526,18 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id) return IRQ_HANDLED; } +static int tpm_tis_gen_interrupt(struct tpm_chip *chip) +{ + const char *desc = "attempting to generate an interrupt"; + u32 cap2; + cap_t cap; + + if (chip->flags & TPM_CHIP_FLAG_TPM2) + return tpm2_get_tpm_pt(chip, 0x100, &cap2, desc); + else + return tpm_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, desc); +} + /* Register the IRQ and issue a command that will cause an interrupt. If an * irq is seen then leave the chip setup for IRQ operation, otherwise reverse * everything and leave in polling mode. Returns 0 on success. @@ -575,10 +587,9 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, /* Generate an interrupt by having the core call through to * tpm_tis_send */ - if (chip->flags & TPM_CHIP_FLAG_TPM2) - tpm2_gen_interrupt(chip); - else - tpm_gen_interrupt(chip); + rc = tpm_tis_gen_interrupt(chip); + if (rc < 0) + return rc; /* tpm_tis_send will either confirm the interrupt is working or it * will call disable_irq which undoes all of the above.
Since tpm_gen_interrupt() is only used in tpm_tis_core.c this commit replaces it with an internal tpm_tis_gen_interrupt(). The semantics also changed in a way that on a system error the driver initialization is failed. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> --- drivers/char/tpm/tpm-interface.c | 15 --------------- drivers/char/tpm/tpm.h | 2 -- drivers/char/tpm/tpm2-cmd.c | 17 ----------------- drivers/char/tpm/tpm_tis_core.c | 19 +++++++++++++++---- 4 files changed, 15 insertions(+), 38 deletions(-)