Hi! On 10/08/2013 04:54 PM, [email protected] wrote: > > On 10/03/2013 06:20 PM, [email protected] wrote: >> Hi! >>> User-space program determines block device major number using sysfs. >>> User-space program loads/unloads kernel module. >>> acpi_get_object_info external interface updated. >>> ACPI bit register access function renamed. >>> acpi_bus_get_power() changed to acpi_bus_update_power() >>> Added block device queue to fix NULL dereference. >>> Added acpi functions return status checks. >>> >>> Signed-off-by: Alexey Kodanev<[email protected]> >>> --- >>> testcases/kernel/device-drivers/acpi/.gitignore | 8 + >>> testcases/kernel/device-drivers/acpi/LtpAcpi.h | 6 +- >>> testcases/kernel/device-drivers/acpi/LtpAcpiCmds.c | 439 >>> +++++++++----------- >>> testcases/kernel/device-drivers/acpi/LtpAcpiMain.c | 169 +++++--- >>> testcases/kernel/device-drivers/acpi/Makefile | 43 +- >>> testcases/kernel/device-drivers/acpi/ltpacpi.sh | 54 --- >>> 6 files changed, 337 insertions(+), 382 deletions(-) >>> create mode 100644 testcases/kernel/device-drivers/acpi/.gitignore >>> delete mode 100755 testcases/kernel/device-drivers/acpi/ltpacpi.sh >> I've looked at the code closely and the whole point of the device driver >> is the ioclt() handler that is used to start the tests. I guess that we >> can rewrite it to use sysfs interface too. > OK. I'm also didn't find where in the test registered block device > could be used besides ioctl. >> Otherwise the code looks like it tries to poke some of the ACPI >> structures that are expected to be there by the ACPI specification and >> try to register some handlers and LTP test device. The \_SB is root of >> the system bus, then it tries to execute initialization on the system >> bus which, if I'm reading the ACPI specification (free downloadable ~500 >> pages pdf) is noop if device is allready initialized. >> > yes, _INI method is noop and it's not changing _SB. I think it's > better to use it than e.g. _OFF. So, what should we do with the method, leave it as is or change to something else?
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