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Message-ID: <201910241435.tD0D2fHU%lkp@intel.com>
Date: Thu, 24 Oct 2019 14:57:44 +0800
From: kbuild test robot <lkp@...el.com>
To: Dilip Kota <eswara.kota@...ux.intel.com>
Cc: kbuild-all@...ts.01.org, jingoohan1@...il.com,
gustavo.pimentel@...opsys.com, lorenzo.pieralisi@....com,
andrew.murray@....com, robh@...nel.org,
martin.blumenstingl@...glemail.com, linux-pci@...r.kernel.org,
hch@...radead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, andriy.shevchenko@...el.com,
cheol.yong.kim@...el.com, chuanhua.lei@...ux.intel.com,
qi-ming.wu@...el.com, Dilip Kota <eswara.kota@...ux.intel.com>
Subject: Re: [PATCH v4 2/3] dwc: PCI: intel: PCIe RC controller driver
Hi Dilip,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on pci/next]
[cannot apply to v5.4-rc4 next-20191023]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Dilip-Kota/PCI-Add-Intel-PCIe-Driver-and-respective-dt-binding-yaml-file/20191024-103204
base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.4.0
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=7.4.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
>> drivers/pci/controller/dwc/pcie-designware-host.c:72:15: error: variable 'dw_pcie_msi_domain_info' has initializer but incomplete type
static struct msi_domain_info dw_pcie_msi_domain_info = {
^~~~~~~~~~~~~~~
>> drivers/pci/controller/dwc/pcie-designware-host.c:73:3: error: 'struct msi_domain_info' has no member named 'flags'
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
^~~~~
>> drivers/pci/controller/dwc/pcie-designware-host.c:73:12: error: 'MSI_FLAG_USE_DEF_DOM_OPS' undeclared here (not in a function); did you mean 'SIMPLE_DEV_PM_OPS'?
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
^~~~~~~~~~~~~~~~~~~~~~~~
SIMPLE_DEV_PM_OPS
>> drivers/pci/controller/dwc/pcie-designware-host.c:73:39: error: 'MSI_FLAG_USE_DEF_CHIP_OPS' undeclared here (not in a function); did you mean 'MSI_FLAG_USE_DEF_DOM_OPS'?
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
^~~~~~~~~~~~~~~~~~~~~~~~~
MSI_FLAG_USE_DEF_DOM_OPS
>> drivers/pci/controller/dwc/pcie-designware-host.c:74:6: error: 'MSI_FLAG_PCI_MSIX' undeclared here (not in a function); did you mean 'CONFIG_PCI_MSI'?
MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI),
^~~~~~~~~~~~~~~~~
CONFIG_PCI_MSI
>> drivers/pci/controller/dwc/pcie-designware-host.c:74:26: error: 'MSI_FLAG_MULTI_PCI_MSI' undeclared here (not in a function); did you mean 'MSI_FLAG_PCI_MSIX'?
MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI),
^~~~~~~~~~~~~~~~~~~~~~
MSI_FLAG_PCI_MSIX
>> drivers/pci/controller/dwc/pcie-designware-host.c:73:11: warning: excess elements in struct initializer
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
^
drivers/pci/controller/dwc/pcie-designware-host.c:73:11: note: (near initialization for 'dw_pcie_msi_domain_info')
>> drivers/pci/controller/dwc/pcie-designware-host.c:75:3: error: 'struct msi_domain_info' has no member named 'chip'
.chip = &dw_pcie_msi_irq_chip,
^~~~
drivers/pci/controller/dwc/pcie-designware-host.c:75:10: warning: excess elements in struct initializer
.chip = &dw_pcie_msi_irq_chip,
^
drivers/pci/controller/dwc/pcie-designware-host.c:75:10: note: (near initialization for 'dw_pcie_msi_domain_info')
drivers/pci/controller/dwc/pcie-designware-host.c: In function 'dw_pcie_allocate_domains':
>> drivers/pci/controller/dwc/pcie-designware-host.c:266:19: error: implicit declaration of function 'pci_msi_create_irq_domain'; did you mean 'pci_msi_get_device_domain'? [-Werror=implicit-function-declaration]
pp->msi_domain = pci_msi_create_irq_domain(fwnode,
^~~~~~~~~~~~~~~~~~~~~~~~~
pci_msi_get_device_domain
>> drivers/pci/controller/dwc/pcie-designware-host.c:266:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
pp->msi_domain = pci_msi_create_irq_domain(fwnode,
^
drivers/pci/controller/dwc/pcie-designware-host.c: At top level:
>> drivers/pci/controller/dwc/pcie-designware-host.c:72:31: error: storage size of 'dw_pcie_msi_domain_info' isn't known
static struct msi_domain_info dw_pcie_msi_domain_info = {
^~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/dw_pcie_msi_domain_info +72 drivers/pci/controller/dwc/pcie-designware-host.c
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 71
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 @72 static struct msi_domain_info dw_pcie_msi_domain_info = {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 @73 .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 @74 MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI),
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 @75 .chip = &dw_pcie_msi_irq_chip,
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 76 };
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 77
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 78 /* MSI int handler */
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 79 irqreturn_t dw_handle_msi_irq(struct pcie_port *pp)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 80 {
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 81 int i, pos, irq;
1f319cb0538a10 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 82 u32 val, num_ctrls;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 83 irqreturn_t ret = IRQ_NONE;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 84
1f319cb0538a10 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 85 num_ctrls = pp->num_vectors / MAX_MSI_IRQS_PER_CTRL;
1f319cb0538a10 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 86
1f319cb0538a10 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 87 for (i = 0; i < num_ctrls; i++) {
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 88 dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_STATUS +
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 89 (i * MSI_REG_CTRL_BLOCK_SIZE),
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 90 4, &val);
dbe4a09e8bbcf8 drivers/pci/dwc/pcie-designware-host.c Bjorn Helgaas 2017-03-16 91 if (!val)
dbe4a09e8bbcf8 drivers/pci/dwc/pcie-designware-host.c Bjorn Helgaas 2017-03-16 92 continue;
dbe4a09e8bbcf8 drivers/pci/dwc/pcie-designware-host.c Bjorn Helgaas 2017-03-16 93
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 94 ret = IRQ_HANDLED;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 95 pos = 0;
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 96 while ((pos = find_next_bit((unsigned long *) &val,
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 97 MAX_MSI_IRQS_PER_CTRL,
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 98 pos)) != MAX_MSI_IRQS_PER_CTRL) {
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 99 irq = irq_find_mapping(pp->irq_domain,
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 100 (i * MAX_MSI_IRQS_PER_CTRL) +
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 101 pos);
8c934095fa2f33 drivers/pci/dwc/pcie-designware-host.c Faiz Abbas 2017-08-10 102 generic_handle_irq(irq);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 103 pos++;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 104 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 105 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 106
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 107 return ret;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 108 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 109
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 110 /* Chained MSI interrupt service routine */
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 111 static void dw_chained_msi_isr(struct irq_desc *desc)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 112 {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 113 struct irq_chip *chip = irq_desc_get_chip(desc);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 114 struct pcie_port *pp;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 115
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 116 chained_irq_enter(chip, desc);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 117
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 118 pp = irq_desc_get_handler_data(desc);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 119 dw_handle_msi_irq(pp);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 120
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 121 chained_irq_exit(chip, desc);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 122 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 123
59ea68b3f17294 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 124 static void dw_pci_setup_msi_msg(struct irq_data *d, struct msi_msg *msg)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 125 {
59ea68b3f17294 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 126 struct pcie_port *pp = irq_data_get_irq_chip_data(d);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 127 struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 128 u64 msi_target;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 129
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 130 msi_target = (u64)pp->msi_data;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 131
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 132 msg->address_lo = lower_32_bits(msi_target);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 133 msg->address_hi = upper_32_bits(msi_target);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 134
59ea68b3f17294 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 135 msg->data = d->hwirq;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 136
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 137 dev_dbg(pci->dev, "msi#%d address_hi %#x address_lo %#x\n",
59ea68b3f17294 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 138 (int)d->hwirq, msg->address_hi, msg->address_lo);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 139 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 140
fd5288a362ab55 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 141 static int dw_pci_msi_set_affinity(struct irq_data *d,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 142 const struct cpumask *mask, bool force)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 143 {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 144 return -EINVAL;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 145 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 146
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 147 static void dw_pci_bottom_mask(struct irq_data *d)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 148 {
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 149 struct pcie_port *pp = irq_data_get_irq_chip_data(d);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 150 unsigned int res, bit, ctrl;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 151 unsigned long flags;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 152
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 153 raw_spin_lock_irqsave(&pp->lock, flags);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 154
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 155 ctrl = d->hwirq / MAX_MSI_IRQS_PER_CTRL;
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 156 res = ctrl * MSI_REG_CTRL_BLOCK_SIZE;
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 157 bit = d->hwirq % MAX_MSI_IRQS_PER_CTRL;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 158
657722570a555c drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 159 pp->irq_mask[ctrl] |= BIT(bit);
830920e065e90d drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 160 dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_MASK + res, 4,
a348d015f0de7a drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 161 pp->irq_mask[ctrl]);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 162
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 163 raw_spin_unlock_irqrestore(&pp->lock, flags);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 164 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 165
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 166 static void dw_pci_bottom_unmask(struct irq_data *d)
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 167 {
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 168 struct pcie_port *pp = irq_data_get_irq_chip_data(d);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 169 unsigned int res, bit, ctrl;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 170 unsigned long flags;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 171
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 172 raw_spin_lock_irqsave(&pp->lock, flags);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 173
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 174 ctrl = d->hwirq / MAX_MSI_IRQS_PER_CTRL;
76cbf066b1ab75 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 175 res = ctrl * MSI_REG_CTRL_BLOCK_SIZE;
40e9892ef94ce8 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 176 bit = d->hwirq % MAX_MSI_IRQS_PER_CTRL;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 177
657722570a555c drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 178 pp->irq_mask[ctrl] &= ~BIT(bit);
830920e065e90d drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 179 dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_MASK + res, 4,
a348d015f0de7a drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 180 pp->irq_mask[ctrl]);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 181
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 182 raw_spin_unlock_irqrestore(&pp->lock, flags);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 183 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 184
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 185 static void dw_pci_bottom_ack(struct irq_data *d)
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 186 {
3f7bb2ec20ce07 drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 187 struct pcie_port *pp = irq_data_get_irq_chip_data(d);
3f7bb2ec20ce07 drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 188 unsigned int res, bit, ctrl;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 189
3f7bb2ec20ce07 drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 190 ctrl = d->hwirq / MAX_MSI_IRQS_PER_CTRL;
3f7bb2ec20ce07 drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 191 res = ctrl * MSI_REG_CTRL_BLOCK_SIZE;
3f7bb2ec20ce07 drivers/pci/controller/dwc/pcie-designware-host.c Marc Zyngier 2018-11-13 192 bit = d->hwirq % MAX_MSI_IRQS_PER_CTRL;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 193
657722570a555c drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 194 dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_STATUS + res, 4, BIT(bit));
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 195 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 196
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 197 static struct irq_chip dw_pci_msi_bottom_irq_chip = {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 198 .name = "DWPCI-MSI",
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 199 .irq_ack = dw_pci_bottom_ack,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 200 .irq_compose_msi_msg = dw_pci_setup_msi_msg,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 201 .irq_set_affinity = dw_pci_msi_set_affinity,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 202 .irq_mask = dw_pci_bottom_mask,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 203 .irq_unmask = dw_pci_bottom_unmask,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 204 };
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 205
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 206 static int dw_pcie_irq_domain_alloc(struct irq_domain *domain,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 207 unsigned int virq, unsigned int nr_irqs,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 208 void *args)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 209 {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 210 struct pcie_port *pp = domain->host_data;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 211 unsigned long flags;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 212 u32 i;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 213 int bit;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 214
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 215 raw_spin_lock_irqsave(&pp->lock, flags);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 216
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 217 bit = bitmap_find_free_region(pp->msi_irq_in_use, pp->num_vectors,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 218 order_base_2(nr_irqs));
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 219
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 220 raw_spin_unlock_irqrestore(&pp->lock, flags);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 221
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 222 if (bit < 0)
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 223 return -ENOSPC;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 224
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 225 for (i = 0; i < nr_irqs; i++)
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 226 irq_domain_set_info(domain, virq + i, bit + i,
9f67437b3a0858 drivers/pci/controller/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2019-03-21 227 pp->msi_irq_chip,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 228 pp, handle_edge_irq,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 229 NULL, NULL);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 230
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 231 return 0;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 232 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 233
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 234 static void dw_pcie_irq_domain_free(struct irq_domain *domain,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 235 unsigned int virq, unsigned int nr_irqs)
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 236 {
4cfae0f1f8ce16 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 237 struct irq_data *d = irq_domain_get_irq_data(domain, virq);
4cfae0f1f8ce16 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 238 struct pcie_port *pp = irq_data_get_irq_chip_data(d);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 239 unsigned long flags;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 240
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 241 raw_spin_lock_irqsave(&pp->lock, flags);
b4a8a51caf7de4 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 242
4cfae0f1f8ce16 drivers/pci/controller/dwc/pcie-designware-host.c Gustavo Pimentel 2019-01-31 243 bitmap_release_region(pp->msi_irq_in_use, d->hwirq,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 244 order_base_2(nr_irqs));
b4a8a51caf7de4 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 245
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 246 raw_spin_unlock_irqrestore(&pp->lock, flags);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 247 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 248
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 249 static const struct irq_domain_ops dw_pcie_msi_domain_ops = {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 250 .alloc = dw_pcie_irq_domain_alloc,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 251 .free = dw_pcie_irq_domain_free,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 252 };
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 253
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 254 int dw_pcie_allocate_domains(struct pcie_port *pp)
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 255 {
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 256 struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 257 struct fwnode_handle *fwnode = of_node_to_fwnode(pci->dev->of_node);
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 258
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 259 pp->irq_domain = irq_domain_create_linear(fwnode, pp->num_vectors,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 260 &dw_pcie_msi_domain_ops, pp);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 261 if (!pp->irq_domain) {
b4a8a51caf7de4 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 262 dev_err(pci->dev, "Failed to create IRQ domain\n");
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 263 return -ENOMEM;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 264 }
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 265
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 @266 pp->msi_domain = pci_msi_create_irq_domain(fwnode,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 267 &dw_pcie_msi_domain_info,
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 268 pp->irq_domain);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 269 if (!pp->msi_domain) {
b4a8a51caf7de4 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-05-14 270 dev_err(pci->dev, "Failed to create MSI domain\n");
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 271 irq_domain_remove(pp->irq_domain);
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 272 return -ENOMEM;
7c5925afbc58c6 drivers/pci/dwc/pcie-designware-host.c Gustavo Pimentel 2018-03-06 273 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 274
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 275 return 0;
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 276 }
feb85d9b1c47ea drivers/pci/dwc/pcie-designware-host.c Kishon Vijay Abraham I 2017-02-15 277
:::::: The code at line 72 was first introduced by commit
:::::: 7c5925afbc58c6d6b384e1dc051bb992969bf787 PCI: dwc: Move MSI IRQs allocation to IRQ domains hierarchical API
:::::: TO: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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