Re: [RESEND][PATCH 1/7 v4] Kconfig: Allow k3dma driver to be selected for more then HISI3xx platforms

kbuild test robot
2016-08-23T04:17:48Z

[-- Attachment #1: Type: text/plain, Size: 3419 bytes --]

Hi John,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.8-rc3 next-20160822]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url: https://github.com/0day-ci/linux/commits/John-Stultz/K3DMA-fixes-for-HiKey-HDMI-audio/20160823-070749
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

Note: the linux-review/John-Stultz/K3DMA-fixes-for-HiKey-HDMI-audio/20160823-070749 HEAD 1f1a623a69af65b192d7f6e2949d4a2dcf75d137 builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):

drivers/dma/k3dma.c: In function 'k3_dma_prep_memcpy':
>> drivers/dma/k3dma.c:432:20: error: implicit declaration of function '__virt_to_phys' [-Werror=implicit-function-declaration]
ds->desc_hw_lli = __virt_to_phys((unsigned long)&ds->desc_hw[0]);
^~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/__virt_to_phys +432 drivers/dma/k3dma.c

8e6152bc Zhangfei Gao 2013-08-27 416 struct dma_chan *chan, dma_addr_t dst, dma_addr_t src,
8e6152bc Zhangfei Gao 2013-08-27 417 size_t len, unsigned long flags)
8e6152bc Zhangfei Gao 2013-08-27 418 {
8e6152bc Zhangfei Gao 2013-08-27 419 struct k3_dma_chan *c = to_k3_chan(chan);
8e6152bc Zhangfei Gao 2013-08-27 420 struct k3_dma_desc_sw *ds;
8e6152bc Zhangfei Gao 2013-08-27 421 size_t copy = 0;
8e6152bc Zhangfei Gao 2013-08-27 422 int num = 0;
8e6152bc Zhangfei Gao 2013-08-27 423
8e6152bc Zhangfei Gao 2013-08-27 424 if (!len)
8e6152bc Zhangfei Gao 2013-08-27 425 return NULL;
8e6152bc Zhangfei Gao 2013-08-27 426
8e6152bc Zhangfei Gao 2013-08-27 427 num = DIV_ROUND_UP(len, DMA_MAX_SIZE);
8e6152bc Zhangfei Gao 2013-08-27 428 ds = kzalloc(sizeof(*ds) + num * sizeof(ds->desc_hw[0]), GFP_ATOMIC);
aef94fea Peter Griffin 2016-06-07 429 if (!ds)
8e6152bc Zhangfei Gao 2013-08-27 430 return NULL;
aef94fea Peter Griffin 2016-06-07 431
8e6152bc Zhangfei Gao 2013-08-27 @432 ds->desc_hw_lli = __virt_to_phys((unsigned long)&ds->desc_hw[0]);
8e6152bc Zhangfei Gao 2013-08-27 433 ds->size = len;
8e6152bc Zhangfei Gao 2013-08-27 434 ds->desc_num = num;
8e6152bc Zhangfei Gao 2013-08-27 435 num = 0;
8e6152bc Zhangfei Gao 2013-08-27 436
8e6152bc Zhangfei Gao 2013-08-27 437 if (!c->ccfg) {
db08425e Maxime Ripard 2014-11-17 438 /* default is memtomem, without calling device_config */
8e6152bc Zhangfei Gao 2013-08-27 439 c->ccfg = CX_CFG_SRCINCR | CX_CFG_DSTINCR | CX_CFG_EN;
8e6152bc Zhangfei Gao 2013-08-27 440 c->ccfg |= (0xf << 20) | (0xf << 24); /* burst = 16 */

:::::: The code at line 432 was first introduced by commit
:::::: 8e6152bc660e69f526c6bf163ff0ebfdab90f6cf dmaengine: Add hisilicon k3 DMA engine driver

:::::: TO: Zhangfei Gao <zhangfei.gao@linaro.org>
:::::: CC: Vinod Koul <vinod.koul@intel.com>

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

[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 55882 bytes --]