Messages in this thread |  | | Date | Wed, 13 Nov 2013 11:31:36 -0800 | From | David Cohen <> | Subject | Re: [PATCH] x86: intel-mid: add test module for sfi_device() |
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On 11/13/2013 11:29 AM, David Cohen wrote: > This patch adds a test module to validate sfi_device() when used from a > driver module. > > Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> > --- > > Hi Ingo and Christoph, > > Does this test module make sense to you? > This could be the 4th patch of this series. > > Br, David > > --- > arch/x86/Kconfig | 9 +++++ > arch/x86/platform/intel-mid/device_libs/Makefile | 2 ++ > .../intel-mid/device_libs/platform_sfi_test.c | 42 ++++++++++++++++++++++ > 3 files changed, 53 insertions(+) > create mode 100644 arch/x86/platform/intel-mid/device_libs/platform_sfi_test.c > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index c5f3414e453d..0b55a7742b65 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -457,6 +457,15 @@ config X86_INTEL_MID > systems which do not have the PCI legacy interfaces (Moorestown, > Medfield). If you are building for a PC class system say N here. > > +config SFI_TEST_MODULE > + tristate "Intel MID sfi test module" > + depends on SFI && X86_INTEL_MID && m > + ---help--- > + Select to build a test module to validate SFI devices on Intel MID > + platforms from driver modules. > + > + This module will be called platform_sfi_test.ko > + > config X86_INTEL_LPSS > bool "Intel Low Power Subsystem Support" > depends on ACPI > diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile > index 097e7a7940d8..b4e858e5c6e9 100644 > --- a/arch/x86/platform/intel-mid/device_libs/Makefile > +++ b/arch/x86/platform/intel-mid/device_libs/Makefile > @@ -20,3 +20,5 @@ obj-$(subst m,y,$(CONFIG_DRM_MEDFIELD)) += platform_tc35876x.o > obj-$(subst m,y,$(CONFIG_SERIAL_MRST_MAX3110)) += platform_max3111.o > # MISC Devices > obj-$(subst m,y,$(CONFIG_KEYBOARD_GPIO)) += platform_gpio_keys.o > +# Test > +obj-$(CONFIG_SFI_TEST_MODULE) += platform_sfi_test.o > diff --git a/arch/x86/platform/intel-mid/device_libs/platform_sfi_test.c b/arch/x86/platform/intel-mid/device_libs/platform_sfi_test.c > new file mode 100644 > index 000000000000..79cc18461eba > --- /dev/null > +++ b/arch/x86/platform/intel-mid/device_libs/platform_sfi_test.c > @@ -0,0 +1,42 @@ > +/* > + * platform_sfi_test.c: test module for sfi_device() > + * > + * (C) Copyright 2013 Intel Corporation > + * Author: David Cohen <david.a.cohen@linux.intel.com> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; version 2 > + * of the License. > + */ > + > +#include <linux/module.h> > +#include <asm/intel-mid.h> > + > +/* > + * Even though we're implementing this device_handler callback, it should > + * never be called when loading the module because the sfi device name > + * "I'm_not_here" won't match to any entry on sfi table. > + * > + * This test validates compilation of sfi_device() in modules and validates > + * that the attempt to enumerate an sfi device as module doesn't goes bad > + * (despite the sfi module won't be found, the code to do the match it will be > + * used).
I missed few typos on this comment but I can fix it if this code is fine.
Br, David
> + */ > +static void > +sfi_test_dev_handler(struct sfi_device_table_entry *pentry, struct devs_id *dev) > +{ > + pr_info("%s: This is a test for sfi_device() as module\n", __func__); > +} > + > +static const struct devs_id sfi_test_dev_id __initconst = { > + .name = "I'm_not_here", > + .type = SFI_DEV_TYPE_UART, > + .device_handler = sfi_test_dev_handler, > +}; > + > +sfi_device(sfi_test_dev_id); > + > +MODULE_AUTHOR("David Cohen <david.a.cohen@linux.intel.com>"); > +MODULE_LICENSE("GPL v2"); > +MODULE_DESCRIPTION("This module provides test for sfi_device() macro"); >
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