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Message-ID: <201810171145.mGVw4SgU%fengguang.wu@intel.com>
Date: Wed, 17 Oct 2018 11:35:51 +0800
From: kbuild test robot <lkp@...el.com>
To: Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>
Cc: kbuild-all@...org, lorenzo.pieralisi@....com, robin.murphy@....com,
jean-philippe.brucker@....com, will.deacon@....com,
mark.rutland@....com, guohanjun@...wei.com, john.garry@...wei.com,
pabba@...eaurora.org, vkilari@...eaurora.org,
rruigrok@...eaurora.org, linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linuxarm@...wei.com, neil.m.leeder@...il.com
Subject: Re: [PATCH v4 3/4] perf/smmuv3: Add MSI irq support
Hi Shameer,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linux-sof-driver/master]
[also build test ERROR on v4.19-rc8 next-20181016]
[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/Shameer-Kolothum/arm64-SMMUv3-PMU-driver-with-IORT-support/20181017-063949
base: https://github.com/thesofproject/linux master
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
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=7.2.0 make.cross ARCH=sh
All error/warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:11:0,
from include/linux/list.h:9,
from include/linux/resource_ext.h:17,
from include/linux/acpi.h:26,
from drivers//perf/arm_smmuv3_pmu.c:37:
drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_counter_set_value':
include/linux/bitops.h:7:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
drivers//perf/arm_smmuv3_pmu.c:152:31: note: in expansion of macro 'BIT'
if (smmu_pmu->counter_mask & BIT(32))
^~~
drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_counter_get_value':
include/linux/bitops.h:7:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
drivers//perf/arm_smmuv3_pmu.c:162:31: note: in expansion of macro 'BIT'
if (smmu_pmu->counter_mask & BIT(32))
^~~
drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_free_msis':
>> drivers//perf/arm_smmuv3_pmu.c:601:2: error: implicit declaration of function 'platform_msi_domain_free_irqs'; did you mean 'platform_get_device_id'? [-Werror=implicit-function-declaration]
platform_msi_domain_free_irqs(dev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
platform_get_device_id
drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_setup_msi':
>> drivers//perf/arm_smmuv3_pmu.c:632:8: error: implicit declaration of function 'platform_msi_domain_alloc_irqs'; did you mean 'platform_device_alloc'? [-Werror=implicit-function-declaration]
ret = platform_msi_domain_alloc_irqs(dev, 1, smmu_pmu_write_msi_msg);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
platform_device_alloc
In file included from include/linux/list.h:9:0,
from include/linux/resource_ext.h:17,
from include/linux/acpi.h:26,
from drivers//perf/arm_smmuv3_pmu.c:37:
include/linux/msi.h:114:38: error: 'struct device' has no member named 'msi_list'
#define dev_to_msi_list(dev) (&(dev)->msi_list)
^
include/linux/kernel.h:961:26: note: in definition of macro 'container_of'
void *__mptr = (void *)(ptr); \
^~~
include/linux/list.h:377:2: note: in expansion of macro 'list_entry'
list_entry((ptr)->next, type, member)
^~~~~~~~~~
include/linux/msi.h:116:2: note: in expansion of macro 'list_first_entry'
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
^~~~~~~~~~~~~~~~
include/linux/msi.h:116:19: note: in expansion of macro 'dev_to_msi_list'
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
^~~~~~~~~~~~~~~
>> drivers//perf/arm_smmuv3_pmu.c:638:9: note: in expansion of macro 'first_msi_entry'
desc = first_msi_entry(dev);
^~~~~~~~~~~~~~~
In file included from include/linux/ioport.h:13:0,
from include/linux/acpi.h:25,
from drivers//perf/arm_smmuv3_pmu.c:37:
include/linux/msi.h:114:38: error: 'struct device' has no member named 'msi_list'
#define dev_to_msi_list(dev) (&(dev)->msi_list)
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
include/linux/list.h:377:2: note: in expansion of macro 'list_entry'
list_entry((ptr)->next, type, member)
^~~~~~~~~~
include/linux/msi.h:116:2: note: in expansion of macro 'list_first_entry'
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
^~~~~~~~~~~~~~~~
include/linux/msi.h:116:19: note: in expansion of macro 'dev_to_msi_list'
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
^~~~~~~~~~~~~~~
>> drivers//perf/arm_smmuv3_pmu.c:638:9: note: in expansion of macro 'first_msi_entry'
desc = first_msi_entry(dev);
^~~~~~~~~~~~~~~
include/linux/msi.h:114:38: error: 'struct device' has no member named 'msi_list'
#define dev_to_msi_list(dev) (&(dev)->msi_list)
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:963:6: note: in expansion of macro '__same_type'
!__same_type(*(ptr), void), \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
include/linux/list.h:377:2: note: in expansion of macro 'list_entry'
list_entry((ptr)->next, type, member)
^~~~~~~~~~
include/linux/msi.h:116:2: note: in expansion of macro 'list_first_entry'
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
^~~~~~~~~~~~~~~~
include/linux/msi.h:116:19: note: in expansion of macro 'dev_to_msi_list'
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
^~~~~~~~~~~~~~~
>> drivers//perf/arm_smmuv3_pmu.c:638:9: note: in expansion of macro 'first_msi_entry'
desc = first_msi_entry(dev);
^~~~~~~~~~~~~~~
drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_probe':
drivers//perf/arm_smmuv3_pmu.c:745:64: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t {aka unsigned int}' [-Wformat=]
name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "smmuv3_pmcg_%llx",
~~~^
%x
cc1: some warnings being treated as errors
vim +601 drivers//perf/arm_smmuv3_pmu.c
596
597 static void smmu_pmu_free_msis(void *data)
598 {
599 struct device *dev = data;
600
> 601 platform_msi_domain_free_irqs(dev);
602 }
603
604 static void smmu_pmu_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg)
605 {
606 phys_addr_t doorbell;
607 struct device *dev = msi_desc_to_dev(desc);
608 struct smmu_pmu *pmu = dev_get_drvdata(dev);
609
610 doorbell = (((u64)msg->address_hi) << 32) | msg->address_lo;
611 doorbell &= MSI_CFG0_ADDR_MASK;
612
613 writeq_relaxed(doorbell, pmu->reg_base + SMMU_PMCG_IRQ_CFG0);
614 writel_relaxed(msg->data, pmu->reg_base + SMMU_PMCG_IRQ_CFG1);
615 writel_relaxed(MSI_CFG2_MEMATTR_DEVICE_nGnRE,
616 pmu->reg_base + SMMU_PMCG_IRQ_CFG2);
617 }
618
619 static void smmu_pmu_setup_msi(struct smmu_pmu *pmu)
620 {
621 struct msi_desc *desc;
622 struct device *dev = pmu->dev;
623 int ret;
624
625 /* Clear MSI address reg */
626 writeq_relaxed(0, pmu->reg_base + SMMU_PMCG_IRQ_CFG0);
627
628 /* MSI supported or not */
629 if (!(readl(pmu->reg_base + SMMU_PMCG_CFGR) & SMMU_PMCG_CFGR_MSI))
630 return;
631
> 632 ret = platform_msi_domain_alloc_irqs(dev, 1, smmu_pmu_write_msi_msg);
633 if (ret) {
634 dev_warn(dev, "failed to allocate MSIs\n");
635 return;
636 }
637
> 638 desc = first_msi_entry(dev);
639 if (desc)
640 pmu->irq = desc->irq;
641
642 /* Add callback to free MSIs on teardown */
643 devm_add_action(dev, smmu_pmu_free_msis, dev);
644 }
645
---
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