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Message-ID: <201510210208.Hkd8XMxI%fengguang.wu@intel.com>
Date: Wed, 21 Oct 2015 02:43:09 +0800
From: kbuild test robot <lkp@...el.com>
To: MaJun <majun258@...wei.com>
Cc: kbuild-all@...org, Catalin.Marinas@....com,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Will.Deacon@....com, mark.rutland@....com, marc.zyngier@....com,
jason@...edaemon.net, tglx@...utronix.de, lizefan@...wei.com,
huxinwei@...wei.com, dingtianhong@...wei.com,
zhaojunhua@...ilicon.com, liguozhu@...ilicon.com,
xuwei5@...ilicon.com, wei.chenwei@...ilicon.com,
guohanjun@...wei.com, wuyun.wu@...wei.com, guodong.xu@...aro.org,
haojian.zhuang@...aro.org, zhangfei.gao@...aro.org,
usman.ahmad@...aro.org, klimov.linux@...il.com,
gabriele.paoloni@...wei.com, majun258@...wei.com
Subject: Re: [PATCH RESEND v6 3/4] irqchip:create irq domain for each mbigen
device
Hi Ma,
[auto build test ERROR on tip/irq/core -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/MaJun/irqchip-support-mbigen-interrupt-controller/20151020-202450
config: arm64-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm64
All error/warnings (new ones prefixed by >>):
drivers/irqchip/irq-mbigen.c:84:14: error: 'mbigen_eoi_irq' undeclared here (not in a function)
.irq_eoi = mbigen_eoi_irq,
^
drivers/irqchip/irq-mbigen.c:85:19: error: 'mbigen_set_type' undeclared here (not in a function)
.irq_set_type = mbigen_set_type,
^
drivers/irqchip/irq-mbigen.c: In function 'mbigen_irq_domain_alloc':
>> drivers/irqchip/irq-mbigen.c:150:2: error: implicit declaration of function 'platform_msi_domain_alloc' [-Werror=implicit-function-declaration]
err = platform_msi_domain_alloc(domain, virq, nr_irqs);
^
>> drivers/irqchip/irq-mbigen.c:159:2: error: implicit declaration of function 'platform_msi_get_host_data' [-Werror=implicit-function-declaration]
mgn_chip = platform_msi_get_host_data(domain);
^
>> drivers/irqchip/irq-mbigen.c:159:11: warning: assignment makes pointer from integer without a cast
mgn_chip = platform_msi_get_host_data(domain);
^
drivers/irqchip/irq-mbigen.c: In function 'mbigen_device_probe':
>> drivers/irqchip/irq-mbigen.c:202:2: error: implicit declaration of function 'platform_msi_create_device_domain' [-Werror=implicit-function-declaration]
domain = platform_msi_create_device_domain(&pdev->dev, num_msis,
^
drivers/irqchip/irq-mbigen.c:202:9: warning: assignment makes pointer from integer without a cast
domain = platform_msi_create_device_domain(&pdev->dev, num_msis,
^
cc1: some warnings being treated as errors
vim +/platform_msi_domain_alloc +150 drivers/irqchip/irq-mbigen.c
78
79
80 static struct irq_chip mbigen_irq_chip = {
81 .name = "mbigen-v2",
82 .irq_mask = irq_chip_mask_parent,
83 .irq_unmask = irq_chip_unmask_parent,
> 84 .irq_eoi = mbigen_eoi_irq,
> 85 .irq_set_type = mbigen_set_type,
86 .irq_set_affinity = irq_chip_set_affinity_parent,
87 };
88
89 static void mbigen_write_msg(struct msi_desc *desc, struct msi_msg *msg)
90 {
91 struct mbigen_irq_data *mgn_irq_data = irq_get_chip_data(desc->irq);
92 u32 val;
93
94 val = readl_relaxed(mgn_irq_data->reg_vec + mgn_irq_data->base);
95
96 val &= ~(IRQ_EVENT_ID_MASK << IRQ_EVENT_ID_SHIFT);
97 val |= (msg->data << IRQ_EVENT_ID_SHIFT);
98
99 writel_relaxed(val, mgn_irq_data->reg_vec + mgn_irq_data->base);
100 }
101
102 static struct mbigen_irq_data *set_mbigen_irq_data(int hwirq)
103 {
104 struct mbigen_irq_data *datap;
105 unsigned int nid, pin_offset;
106
107 datap = kzalloc(sizeof(*datap), GFP_KERNEL);
108 if (!datap)
109 return NULL;
110
111 /* get the mbigen node number */
112 nid = (hwirq - RESERVED_IRQ_PER_MBIGEN_CHIP) / IRQS_PER_MBIGEN_NODE + 1;
113
114 pin_offset = (hwirq - RESERVED_IRQ_PER_MBIGEN_CHIP)
115 % IRQS_PER_MBIGEN_NODE;
116
117 datap->reg_vec = get_mbigen_vec_reg(nid, pin_offset);
118
119 return datap;
120 }
121
122 static int mbigen_domain_translate(struct irq_domain *d,
123 struct irq_fwspec *fwspec,
124 unsigned long *hwirq,
125 unsigned int *type)
126 {
127 if (is_of_node(fwspec->fwnode)) {
128 if (fwspec->param_count != 2)
129 return -EINVAL;
130
131 *hwirq = fwspec->param[0];
132 *type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
133
134 return 0;
135 }
136 return -EINVAL;
137 }
138
139 static int mbigen_irq_domain_alloc(struct irq_domain *domain,
140 unsigned int virq,
141 unsigned int nr_irqs,
142 void *args)
143 {
144 struct irq_fwspec *fwspec = args;
145 irq_hw_number_t hwirq = fwspec->param[0];
146 struct mbigen_device *mgn_chip;
147 struct mbigen_irq_data *mgn_irq_data;
148 int i, err;
149
> 150 err = platform_msi_domain_alloc(domain, virq, nr_irqs);
151 if (err)
152 return err;
153
154 /* set related information of this irq */
155 mgn_irq_data = set_mbigen_irq_data(hwirq);
156 if (!mgn_irq_data)
157 return err;
158
> 159 mgn_chip = platform_msi_get_host_data(domain);
160 mgn_irq_data->base = mgn_chip->base;
161
162 for (i = 0; i < nr_irqs; i++)
163 irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i,
164 &mbigen_irq_chip, mgn_irq_data);
165
166 return 0;
167 }
168
169 static void mbigen_domain_free(struct irq_domain *domain, unsigned int virq,
170 unsigned int nr_irqs)
171 {
172 struct irq_data *d = irq_domain_get_irq_data(domain, virq);
173 struct mbigen_irq_data *mgn_irq_data = irq_data_get_irq_chip_data(d);
174
175 kfree(mgn_irq_data);
176 irq_domain_free_irqs_common(domain, virq, nr_irqs);
177 }
178
179 static struct irq_domain_ops mbigen_domain_ops = {
180 .translate = mbigen_domain_translate,
181 .alloc = mbigen_irq_domain_alloc,
182 .free = mbigen_domain_free,
183 };
184
185 static int mbigen_device_probe(struct platform_device *pdev)
186 {
187 struct mbigen_device *mgn_chip;
188 struct irq_domain *domain;
189 u32 num_msis;
190
191 mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL);
192 if (!mgn_chip)
193 return -ENOMEM;
194
195 mgn_chip->pdev = pdev;
196 mgn_chip->base = of_iomap(pdev->dev.of_node, 0);
197
198 /* If there is no "num-msi" property, assume 64... */
199 if (of_property_read_u32(pdev->dev.of_node, "num-msis", &num_msis) < 0)
200 num_msis = 64;
201
> 202 domain = platform_msi_create_device_domain(&pdev->dev, num_msis,
203 mbigen_write_msg,
204 &mbigen_domain_ops,
205 mgn_chip);
---
0-DAY kernel test infrastructure Open Source Technology Center
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