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Message-ID: <202502120118.27fjrRqt-lkp@intel.com>
Date: Wed, 12 Feb 2025 01:56:27 +0800
From: kernel test robot <lkp@...el.com>
To: patrice.chotard@...s.st.com, Mark Brown <broonie@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
christophe.kerello@...s.st.com, patrice.chotard@...s.st.com
Subject: Re: [PATCH v3 4/8] memory: Add STM32 Octo Memory Manager driver
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on broonie-spi/for-next]
[also build test ERROR on atorgue-stm32/stm32-next krzk-mem-ctrl/for-next linus/master v6.14-rc2 next-20250210]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/patrice-chotard-foss-st-com/dt-bindings-spi-Add-STM32-OSPI-controller/20250210-212554
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
patch link: https://lore.kernel.org/r/20250210131826.220318-5-patrice.chotard%40foss.st.com
patch subject: [PATCH v3 4/8] memory: Add STM32 Octo Memory Manager driver
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20250212/202502120118.27fjrRqt-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 6807164500e9920638e2ab0cdb4bf8321d24f8eb)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250212/202502120118.27fjrRqt-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502120118.27fjrRqt-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
>> drivers/memory/stm32_omm.c:83:5: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
82 | dev_err(dev, "[0x%llx-0x%llx] doesn't fit inside [0x%llx-0x%llx]\n",
| ~~~~
| %x
83 | res.start, res.end,
| ^~~~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:83:16: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
82 | dev_err(dev, "[0x%llx-0x%llx] doesn't fit inside [0x%llx-0x%llx]\n",
| ~~~~
| %x
83 | res.start, res.end,
| ^~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:84:5: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
82 | dev_err(dev, "[0x%llx-0x%llx] doesn't fit inside [0x%llx-0x%llx]\n",
| ~~~~
| %x
83 | res.start, res.end,
84 | omm->mm_res->start, omm->mm_res->end);
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:84:25: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
82 | dev_err(dev, "[0x%llx-0x%llx] doesn't fit inside [0x%llx-0x%llx]\n",
| ~~~~
| %x
83 | res.start, res.end,
84 | omm->mm_res->start, omm->mm_res->end);
| ^~~~~~~~~~~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:97:6: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
96 | dev_err(dev, "[0x%llx-0x%llx] overlaps [0x%llx-0x%llx]\n",
| ~~~~
| %x
97 | res1.start, res1.end, res.start, res.end);
| ^~~~~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:97:18: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
96 | dev_err(dev, "[0x%llx-0x%llx] overlaps [0x%llx-0x%llx]\n",
| ~~~~
| %x
97 | res1.start, res1.end, res.start, res.end);
| ^~~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:97:28: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
96 | dev_err(dev, "[0x%llx-0x%llx] overlaps [0x%llx-0x%llx]\n",
| ~~~~
| %x
97 | res1.start, res1.end, res.start, res.end);
| ^~~~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/memory/stm32_omm.c:97:39: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
96 | dev_err(dev, "[0x%llx-0x%llx] overlaps [0x%llx-0x%llx]\n",
| ~~~~
| %x
97 | res1.start, res1.end, res.start, res.end);
| ^~~~~~~
include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
>> drivers/memory/stm32_omm.c:224:14: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
224 | req2ack = FIELD_PREP(CR_REQ2ACK_MASK, req2ack);
| ^
drivers/memory/stm32_omm.c:239:14: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
239 | omm->cr |= FIELD_PREP(CR_MUXENMODE_MASK, mux);
| ^
drivers/memory/stm32_omm.c:246:14: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
246 | omm->cr |= FIELD_PREP(CR_CSSEL_OVR_MASK, cssel_ovr);
| ^
8 warnings and 3 errors generated.
vim +/FIELD_PREP +224 drivers/memory/stm32_omm.c
44
45 static int stm32_omm_set_amcr(struct device *dev, bool set)
46 {
47 struct stm32_omm *omm = dev_get_drvdata(dev);
48 struct regmap *syscfg_regmap;
49 struct device_node *node;
50 struct resource res, res1;
51 resource_size_t mm_ospi2_size = 0;
52 static const char * const mm_name[] = { "ospi1", "ospi2" };
53 u32 amcr_base, amcr_mask;
54 int ret, i, idx;
55 unsigned int amcr, read_amcr;
56
57 for (i = 0; i < omm->nb_child; i++) {
58 idx = of_property_match_string(dev->of_node,
59 "memory-region-names",
60 mm_name[i]);
61 if (idx < 0)
62 continue;
63
64 /* res1 only used on second loop iteration */
65 res1.start = res.start;
66 res1.end = res.end;
67
68 node = of_parse_phandle(dev->of_node, "memory-region", idx);
69 if (!node)
70 continue;
71
72 ret = of_address_to_resource(node, 0, &res);
73 if (ret) {
74 dev_err(dev, "unable to resolve memory region\n");
75 return ret;
76 }
77
78 /* check that memory region fits inside OMM memory map area */
79 if (!resource_contains(omm->mm_res, &res)) {
80 dev_err(dev, "%s doesn't fit inside OMM memory map area\n",
81 mm_name[i]);
82 dev_err(dev, "[0x%llx-0x%llx] doesn't fit inside [0x%llx-0x%llx]\n",
> 83 res.start, res.end,
84 omm->mm_res->start, omm->mm_res->end);
85
86 return -EFAULT;
87 }
88
89 if (i == 1) {
90 mm_ospi2_size = resource_size(&res);
91
92 /* check that OMM memory region 1 doesn't overlap memory region 2 */
93 if (resource_overlaps(&res, &res1)) {
94 dev_err(dev, "OMM memory-region %s overlaps memory region %s\n",
95 mm_name[0], mm_name[1]);
96 dev_err(dev, "[0x%llx-0x%llx] overlaps [0x%llx-0x%llx]\n",
97 res1.start, res1.end, res.start, res.end);
98
99 return -EFAULT;
100 }
101 }
102 }
103
104 syscfg_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "st,syscfg-amcr");
105 if (IS_ERR(syscfg_regmap)) {
106 dev_err(dev, "Failed to get st,syscfg-amcr property\n");
107 return PTR_ERR(syscfg_regmap);
108 }
109
110 ret = of_property_read_u32_index(dev->of_node, "st,syscfg-amcr", 1,
111 &amcr_base);
112 if (ret)
113 return ret;
114
115 ret = of_property_read_u32_index(dev->of_node, "st,syscfg-amcr", 2,
116 &amcr_mask);
117 if (ret)
118 return ret;
119
120 amcr = mm_ospi2_size / SZ_64M;
121
122 if (set)
123 regmap_update_bits(syscfg_regmap, amcr_base, amcr_mask, amcr);
124
125 /* read AMCR and check coherency with memory-map areas defined in DT */
126 regmap_read(syscfg_regmap, amcr_base, &read_amcr);
127 read_amcr = read_amcr >> (ffs(amcr_mask) - 1);
128
129 if (amcr != read_amcr) {
130 dev_err(dev, "AMCR value not coherent with DT memory-map areas\n");
131 ret = -EINVAL;
132 }
133
134 return ret;
135 }
136
137 static int stm32_omm_enable_child_clock(struct device *dev, bool enable)
138 {
139 /* As there is only 2 children, remember first child in case of error */
140 struct clk *first_child_clk = NULL;
141 struct stm32_omm *omm = dev_get_drvdata(dev);
142 u8 i;
143 int ret;
144
145 for (i = 0; i < omm->nb_child; i++) {
146 if (enable) {
147 ret = clk_prepare_enable(omm->child[i].clk);
148 if (ret) {
149 if (first_child_clk)
150 clk_disable_unprepare(first_child_clk);
151
152 dev_err(dev, "Can not enable clock\n");
153 return ret;
154 }
155 } else {
156 clk_disable_unprepare(omm->child[i].clk);
157 }
158
159 first_child_clk = omm->child[i].clk;
160 }
161
162 return 0;
163 }
164
165 static int stm32_omm_configure(struct device *dev)
166 {
167 struct stm32_omm *omm = dev_get_drvdata(dev);
168 struct reset_control *rstc;
169 unsigned long clk_rate, clk_rate_max = 0;
170 int ret;
171 u8 i;
172 u32 mux = 0;
173 u32 cssel_ovr = 0;
174 u32 req2ack = 0;
175
176 omm->clk = devm_clk_get(dev, NULL);
177 if (IS_ERR(omm->clk)) {
178 dev_err(dev, "Failed to get OMM clock (%ld)\n",
179 PTR_ERR(omm->clk));
180
181 return PTR_ERR(omm->clk);
182 }
183
184 ret = pm_runtime_resume_and_get(dev);
185 if (ret < 0)
186 return ret;
187
188 /* parse children's clock */
189 for (i = 0; i < omm->nb_child; i++) {
190 clk_rate = clk_get_rate(omm->child[i].clk);
191 if (!clk_rate) {
192 dev_err(dev, "Invalid clock rate\n");
193 goto err_clk_disable;
194 }
195
196 if (clk_rate > clk_rate_max)
197 clk_rate_max = clk_rate;
198 }
199
200 rstc = devm_reset_control_get_optional_exclusive(dev, NULL);
201 if (IS_ERR(rstc)) {
202 ret = dev_err_probe(dev, PTR_ERR(rstc), "reset get failed\n");
203 goto err_clk_disable;
204 }
205
206 reset_control_assert(rstc);
207 udelay(2);
208 reset_control_deassert(rstc);
209
210 omm->cr = readl_relaxed(omm->io_base + OMM_CR);
211 /* optional */
212 ret = of_property_read_u32(dev->of_node, "st,omm-mux", &mux);
213 if (!ret) {
214 if (mux & CR_MUXEN) {
215 ret = of_property_read_u32(dev->of_node, "st,omm-req2ack-ns",
216 &req2ack);
217 if (!ret && !req2ack) {
218 req2ack = DIV_ROUND_UP(req2ack, NSEC_PER_SEC / clk_rate_max) - 1;
219
220 if (req2ack > 256)
221 req2ack = 256;
222 }
223
> 224 req2ack = FIELD_PREP(CR_REQ2ACK_MASK, req2ack);
225
226 omm->cr &= ~CR_REQ2ACK_MASK;
227 omm->cr |= FIELD_PREP(CR_REQ2ACK_MASK, req2ack);
228
229 /*
230 * If the mux is enabled, the 2 OSPI clocks have to be
231 * always enabled
232 */
233 ret = stm32_omm_enable_child_clock(dev, true);
234 if (ret)
235 goto err_clk_disable;
236 }
237
238 omm->cr &= ~CR_MUXENMODE_MASK;
239 omm->cr |= FIELD_PREP(CR_MUXENMODE_MASK, mux);
240 }
241
242 /* optional */
243 ret = of_property_read_u32(dev->of_node, "st,omm-cssel-ovr", &cssel_ovr);
244 if (!ret) {
245 omm->cr &= ~CR_CSSEL_OVR_MASK;
246 omm->cr |= FIELD_PREP(CR_CSSEL_OVR_MASK, cssel_ovr);
247 omm->cr |= CR_CSSEL_OVR_EN;
248 }
249
250 omm->restore_omm = true;
251 writel_relaxed(omm->cr, omm->io_base + OMM_CR);
252
253 ret = stm32_omm_set_amcr(dev, true);
254
255 err_clk_disable:
256 pm_runtime_put_sync_suspend(dev);
257
258 return ret;
259 }
260
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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