Re: [PATCH resend] staging: gasket: remove X86 Kconfig restriction

From: kbuild test robot
Date: Wed Jul 18 2018 - 21:19:44 EST


Hi Todd,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on next-20180718]
[cannot apply to v4.18-rc5]
[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/Todd-Poynor/staging-gasket-remove-X86-Kconfig-restriction/20180716-031056
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 8.1.0
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=8.1.0 make.cross ARCH=xtensa

All errors (new ones prefixed by >>):

In file included from drivers/staging/gasket/gasket_page_table.h:19,
from drivers/staging/gasket/gasket_page_table.c:34:
drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_read_64':
>> drivers/staging/gasket/gasket_core.h:651:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
return readq(&gasket_dev->bar_data[bar].virt_base[location]);
^~~~~
readl
drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_write_64':
>> drivers/staging/gasket/gasket_core.h:657:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
writeq(value, &dev->bar_data[bar].virt_base[location]);
^~~~~~
writel
drivers/staging/gasket/gasket_page_table.c: In function 'gasket_is_extended_dev_addr_bad':
drivers/staging/gasket/gasket_page_table.c:1373:11: warning: right shift count >= width of type [-Wshift-count-overflow]
if (addr >> (GASKET_EXTENDED_LVL0_WIDTH + GASKET_EXTENDED_LVL0_SHIFT)) {
^~
drivers/staging/gasket/gasket_page_table.c: In function 'gasket_alloc_coherent_memory':
drivers/staging/gasket/gasket_page_table.c:1679:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
(u64)mem + j * PAGE_SIZE;
^
cc1: some warnings being treated as errors
--
In file included from drivers/staging/gasket/gasket_sysfs.h:21,
from drivers/staging/gasket/gasket_sysfs.c:3:
drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_read_64':
>> drivers/staging/gasket/gasket_core.h:651:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
return readq(&gasket_dev->bar_data[bar].virt_base[location]);
^~~~~
readl
drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_write_64':
>> drivers/staging/gasket/gasket_core.h:657:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
writeq(value, &dev->bar_data[bar].virt_base[location]);
^~~~~~
writel
cc1: some warnings being treated as errors
--
In file included from drivers/staging/gasket/gasket_ioctl.h:6,
from drivers/staging/gasket/gasket_ioctl.c:4:
drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_read_64':
>> drivers/staging/gasket/gasket_core.h:651:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
return readq(&gasket_dev->bar_data[bar].virt_base[location]);
^~~~~
readl
drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_write_64':
>> drivers/staging/gasket/gasket_core.h:657:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
writeq(value, &dev->bar_data[bar].virt_base[location]);
^~~~~~
writel
drivers/staging/gasket/gasket_ioctl.c: In function 'gasket_config_coherent_allocator':
>> drivers/staging/gasket/gasket_ioctl.c:434:27: error: passing argument 3 of 'gasket_alloc_coherent_memory' from incompatible pointer type [-Werror=incompatible-pointer-types]
gasket_dev, ibuf.size, &ibuf.dma_address,
^~~~~~~~~~~~~~~~~
In file included from drivers/staging/gasket/gasket_ioctl.c:9:
drivers/staging/gasket/gasket_page_table.h:227:18: note: expected 'dma_addr_t *' {aka 'unsigned int *'} but argument is of type 'u64 *' {aka 'long long unsigned int *'}
dma_addr_t *dma_address, uint64_t index);
~~~~~~~~~~~~^~~~~~~~~~~
cc1: some warnings being treated as errors

vim +651 drivers/staging/gasket/gasket_core.h

9a69f508 Simon Que 2018-06-29 620
9a69f508 Simon Que 2018-06-29 621 /*
9a69f508 Simon Que 2018-06-29 622 * Memory management functions. These will likely be spun off into their own
9a69f508 Simon Que 2018-06-29 623 * file in the future.
9a69f508 Simon Que 2018-06-29 624 */
9a69f508 Simon Que 2018-06-29 625
9a69f508 Simon Que 2018-06-29 626 /* Unmaps the specified mappable region from a VMA. */
9a69f508 Simon Que 2018-06-29 627 int gasket_mm_unmap_region(
9a69f508 Simon Que 2018-06-29 628 const struct gasket_dev *gasket_dev, struct vm_area_struct *vma,
9a69f508 Simon Que 2018-06-29 629 const struct gasket_mappable_region *map_region);
9a69f508 Simon Que 2018-06-29 630
9a69f508 Simon Que 2018-06-29 631 /*
9a69f508 Simon Que 2018-06-29 632 * Get the ioctl permissions callback.
9a69f508 Simon Que 2018-06-29 633 * @gasket_dev: Gasket device structure.
9a69f508 Simon Que 2018-06-29 634 */
9a69f508 Simon Que 2018-06-29 635 gasket_ioctl_permissions_cb_t gasket_get_ioctl_permissions_cb(
9a69f508 Simon Que 2018-06-29 636 struct gasket_dev *gasket_dev);
9a69f508 Simon Que 2018-06-29 637
9a69f508 Simon Que 2018-06-29 638 /**
9a69f508 Simon Que 2018-06-29 639 * Lookup a name by number in a num_name table.
9a69f508 Simon Que 2018-06-29 640 * @num: Number to lookup.
9a69f508 Simon Que 2018-06-29 641 * @table: Array of num_name structures, the table for the lookup.
9a69f508 Simon Que 2018-06-29 642 *
9a69f508 Simon Que 2018-06-29 643 */
9a69f508 Simon Que 2018-06-29 644 const char *gasket_num_name_lookup(
9a69f508 Simon Que 2018-06-29 645 uint num, const struct gasket_num_name *table);
9a69f508 Simon Que 2018-06-29 646
9a69f508 Simon Que 2018-06-29 647 /* Handy inlines */
9a69f508 Simon Que 2018-06-29 648 static inline ulong gasket_dev_read_64(
9a69f508 Simon Que 2018-06-29 649 struct gasket_dev *gasket_dev, int bar, ulong location)
9a69f508 Simon Que 2018-06-29 650 {
9a69f508 Simon Que 2018-06-29 @651 return readq(&gasket_dev->bar_data[bar].virt_base[location]);
9a69f508 Simon Que 2018-06-29 652 }
9a69f508 Simon Que 2018-06-29 653
9a69f508 Simon Que 2018-06-29 654 static inline void gasket_dev_write_64(
9a69f508 Simon Que 2018-06-29 655 struct gasket_dev *dev, u64 value, int bar, ulong location)
9a69f508 Simon Que 2018-06-29 656 {
9a69f508 Simon Que 2018-06-29 @657 writeq(value, &dev->bar_data[bar].virt_base[location]);
9a69f508 Simon Que 2018-06-29 658 }
9a69f508 Simon Que 2018-06-29 659

:::::: The code at line 651 was first introduced by commit
:::::: 9a69f5087ccc20bb411025decab455836df04168 drivers/staging: Gasket driver framework + Apex driver

:::::: TO: Simon Que <sque@xxxxxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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