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SubjectRe: [PATCH 2/2] Input: add Apple SPI keyboard and trackpad driver.
Hi Ronald,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on input/next]
[also build test ERROR on v5.0-rc4]
[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/Ronald-Tschal-r/drm-bridge-sil_sii8620-depend-on-INPUT-instead-of-selecting-it/20190205-003319
base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=8.2.0 make.cross ARCH=sh

All error/warnings (new ones prefixed by >>):

drivers/input/keyboard/applespi.c: In function 'applespi_enable_spi':
>> drivers/input/keyboard/applespi.c:692:11: error: implicit declaration of function 'acpi_evaluate_integer'; did you mean 'acpi_evaluate_object'? [-Werror=implicit-function-declaration]
result = acpi_evaluate_integer(applespi->sist, NULL, NULL, &spi_status);
^~~~~~~~~~~~~~~~~~~~~
acpi_evaluate_object
>> drivers/input/keyboard/applespi.c:697:11: error: implicit declaration of function 'acpi_execute_simple_method'; did you mean 'acpi_install_method'? [-Werror=implicit-function-declaration]
result = acpi_execute_simple_method(applespi->sien, NULL, 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~
acpi_install_method
At top level:
drivers/input/keyboard/applespi.c:1851:12: warning: 'applespi_resume' defined but not used [-Wunused-function]
static int applespi_resume(struct device *dev)
^~~~~~~~~~~~~~~
drivers/input/keyboard/applespi.c:1808:12: warning: 'applespi_suspend' defined but not used [-Wunused-function]
static int applespi_suspend(struct device *dev)
^~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
drivers/spi/spi-pxa2xx-pci.c: In function 'pxa2xx_spi_pci_probe':
>> drivers/spi/spi-pxa2xx-pci.c:205:8: error: implicit declaration of function 'pcim_enable_device'; did you mean 'pci_enable_device'? [-Werror=implicit-function-declaration]
ret = pcim_enable_device(dev);
^~~~~~~~~~~~~~~~~~
pci_enable_device
>> drivers/spi/spi-pxa2xx-pci.c:235:8: error: implicit declaration of function 'pci_alloc_irq_vectors'; did you mean 'pci_alloc_consistent'? [-Werror=implicit-function-declaration]
ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES);
^~~~~~~~~~~~~~~~~~~~~
pci_alloc_consistent
drivers/spi/spi-pxa2xx-pci.c:235:41: error: 'PCI_IRQ_ALL_TYPES' undeclared (first use in this function); did you mean 'PCI_PRI_ALLOC_REQ'?
ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES);
^~~~~~~~~~~~~~~~~
PCI_PRI_ALLOC_REQ
drivers/spi/spi-pxa2xx-pci.c:235:41: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/spi/spi-pxa2xx-pci.c:238:13: error: implicit declaration of function 'pci_irq_vector'; did you mean 'rcu_irq_enter'? [-Werror=implicit-function-declaration]
ssp->irq = pci_irq_vector(dev, 0);
^~~~~~~~~~~~~~
rcu_irq_enter
drivers/spi/spi-pxa2xx-pci.c: At top level:
>> drivers/spi/spi-pxa2xx-pci.c:296:1: warning: data definition has no type or storage class
module_pci_driver(pxa2xx_spi_pci_driver);
^~~~~~~~~~~~~~~~~
>> drivers/spi/spi-pxa2xx-pci.c:296:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int]
>> drivers/spi/spi-pxa2xx-pci.c:296:1: warning: parameter names (without types) in function declaration
drivers/spi/spi-pxa2xx-pci.c:289:26: warning: 'pxa2xx_spi_pci_driver' defined but not used [-Wunused-variable]
static struct pci_driver pxa2xx_spi_pci_driver = {
^~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +692 drivers/input/keyboard/applespi.c

685
686 static int applespi_enable_spi(struct applespi_data *applespi)
687 {
688 int result;
689 unsigned long long spi_status;
690
691 /* check if SPI is already enabled, so we can skip the delay below */
> 692 result = acpi_evaluate_integer(applespi->sist, NULL, NULL, &spi_status);
693 if (ACPI_SUCCESS(result) && spi_status)
694 return 0;
695
696 /* SIEN(1) will enable SPI communication */
> 697 result = acpi_execute_simple_method(applespi->sien, NULL, 1);
698 if (ACPI_FAILURE(result)) {
699 pr_err("SIEN failed: %s\n", acpi_format_exception(result));
700 return -ENODEV;
701 }
702
703 /*
704 * Allow the SPI interface to come up before returning. Without this
705 * delay, the SPI commands to enable multitouch mode may not reach
706 * the trackpad controller, causing pointer movement to break upon
707 * resume from sleep.
708 */
709 msleep(50);
710
711 return 0;
712 }
713

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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