Message ID | 20220203010804.20883-3-quic_amelende@quicinc.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | Extend pm8941-pwrkey driver | expand |
Hi Anjelique, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on dtor-input/next] [also build test WARNING on hid/for-next linux/master linus/master v5.17-rc2 next-20220202] [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] url: https://github.com/0day-ci/linux/commits/Anjelique-Melendez/input-misc-pm8941-pwrkey-fix-error-message/20220203-091113 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220203/202202031020.M3pmrtmN-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/11f3823037831d0412ab1a6895c5bcf204a3c3b1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Anjelique-Melendez/input-misc-pm8941-pwrkey-fix-error-message/20220203-091113 git checkout 11f3823037831d0412ab1a6895c5bcf204a3c3b1 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash drivers/input/misc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> All warnings (new ones prefixed by >>): drivers/input/misc/pm8941-pwrkey.c: In function 'pm8941_pwrkey_probe': >> drivers/input/misc/pm8941-pwrkey.c:221:41: warning: passing argument 1 of '__be32_to_cpup' makes pointer from integer without a cast [-Wint-conversion] 221 | pwrkey->baseaddr = be32_to_cpup(*addr); | ^~~~~ | | | __be32 {aka unsigned int} In file included from include/linux/byteorder/big_endian.h:5, from arch/s390/include/uapi/asm/byteorder.h:5, from include/asm-generic/bitops/le.h:7, from arch/s390/include/asm/bitops.h:393, from include/linux/bitops.h:33, from include/linux/thread_info.h:27, from arch/s390/include/asm/preempt.h:6, from include/linux/preempt.h:78, from arch/s390/include/asm/percpu.h:5, from include/linux/irqflags.h:17, from include/linux/rcupdate.h:26, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/delay.h:23, from drivers/input/misc/pm8941-pwrkey.c:7: include/uapi/linux/byteorder/big_endian.h:81:59: note: expected 'const __be32 *' {aka 'const unsigned int *'} but argument is of type '__be32' {aka 'unsigned int'} 81 | static __always_inline __u32 __be32_to_cpup(const __be32 *p) | ~~~~~~~~~~~~~~^ drivers/input/misc/pm8941-pwrkey.c:227:65: warning: passing argument 1 of '__be32_to_cpup' makes pointer from integer without a cast [-Wint-conversion] 227 | pwrkey->pon_pbs_baseaddr = be32_to_cpup(*addr); | ^~~~~ | | | __be32 {aka unsigned int} In file included from include/linux/byteorder/big_endian.h:5, from arch/s390/include/uapi/asm/byteorder.h:5, from include/asm-generic/bitops/le.h:7, from arch/s390/include/asm/bitops.h:393, from include/linux/bitops.h:33, from include/linux/thread_info.h:27, from arch/s390/include/asm/preempt.h:6, from include/linux/preempt.h:78, from arch/s390/include/asm/percpu.h:5, from include/linux/irqflags.h:17, from include/linux/rcupdate.h:26, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/delay.h:23, from drivers/input/misc/pm8941-pwrkey.c:7: include/uapi/linux/byteorder/big_endian.h:81:59: note: expected 'const __be32 *' {aka 'const unsigned int *'} but argument is of type '__be32' {aka 'unsigned int'} 81 | static __always_inline __u32 __be32_to_cpup(const __be32 *p) | ~~~~~~~~~~~~~~^ vim +/__be32_to_cpup +221 drivers/input/misc/pm8941-pwrkey.c 168 169 static SIMPLE_DEV_PM_OPS(pm8941_pwr_key_pm_ops, 170 pm8941_pwrkey_suspend, pm8941_pwrkey_resume); 171 172 static int pm8941_pwrkey_probe(struct platform_device *pdev) 173 { 174 struct pm8941_pwrkey *pwrkey; 175 bool pull_up; 176 struct device *parent; 177 struct device_node *regmap_node; 178 const __be32 *addr; 179 u32 req_delay; 180 int error; 181 182 if (of_property_read_u32(pdev->dev.of_node, "debounce", &req_delay)) 183 req_delay = 15625; 184 185 if (req_delay > 2000000 || req_delay == 0) { 186 dev_err(&pdev->dev, "invalid debounce time: %u\n", req_delay); 187 return -EINVAL; 188 } 189 190 pull_up = of_property_read_bool(pdev->dev.of_node, "bias-pull-up"); 191 192 pwrkey = devm_kzalloc(&pdev->dev, sizeof(*pwrkey), GFP_KERNEL); 193 if (!pwrkey) 194 return -ENOMEM; 195 196 pwrkey->dev = &pdev->dev; 197 pwrkey->data = of_device_get_match_data(&pdev->dev); 198 199 parent = pdev->dev.parent; 200 regmap_node = pdev->dev.of_node; 201 pwrkey->regmap = dev_get_regmap(parent, NULL); 202 if (!pwrkey->regmap) { 203 regmap_node = parent->of_node; 204 /* 205 * We failed to get regmap for parent. Let's see if we are 206 * a child of pon node and read regmap and reg from its 207 * parent. 208 */ 209 pwrkey->regmap = dev_get_regmap(parent->parent, NULL); 210 if (!pwrkey->regmap) { 211 dev_err(&pdev->dev, "failed to locate regmap\n"); 212 return -ENODEV; 213 } 214 } 215 216 addr = of_get_address(regmap_node, 0, NULL, NULL); 217 if (!addr) { 218 dev_err(&pdev->dev, "reg property missing\n"); 219 return -EINVAL; 220 } > 221 pwrkey->baseaddr = be32_to_cpup(*addr); 222 223 if (pwrkey->data->has_pon_pbs) { 224 /* PON_PBS base address is optional */ 225 addr = of_get_address(regmap_node, 1, NULL, NULL); 226 if (addr) 227 pwrkey->pon_pbs_baseaddr = be32_to_cpup(*addr); 228 } 229 230 pwrkey->irq = platform_get_irq(pdev, 0); 231 if (pwrkey->irq < 0) 232 return pwrkey->irq; 233 234 error = regmap_read(pwrkey->regmap, pwrkey->baseaddr + PON_REV2, 235 &pwrkey->revision); 236 if (error) { 237 dev_err(&pdev->dev, "failed to read revision: %d\n", error); 238 return error; 239 } 240 241 error = of_property_read_u32(pdev->dev.of_node, "linux,code", 242 &pwrkey->code); 243 if (error) { 244 dev_dbg(&pdev->dev, 245 "no linux,code assuming power (%d)\n", error); 246 pwrkey->code = KEY_POWER; 247 } 248 249 pwrkey->input = devm_input_allocate_device(&pdev->dev); 250 if (!pwrkey->input) { 251 dev_dbg(&pdev->dev, "unable to allocate input device\n"); 252 return -ENOMEM; 253 } 254 255 input_set_capability(pwrkey->input, EV_KEY, pwrkey->code); 256 257 pwrkey->input->name = pwrkey->data->name; 258 pwrkey->input->phys = pwrkey->data->phys; 259 260 if (pwrkey->data->supports_debounce_config) { 261 req_delay = (req_delay << 6) / USEC_PER_SEC; 262 req_delay = ilog2(req_delay); 263 264 error = regmap_update_bits(pwrkey->regmap, 265 pwrkey->baseaddr + PON_DBC_CTL, 266 PON_DBC_DELAY_MASK, 267 req_delay); 268 if (error) { 269 dev_err(&pdev->dev, "failed to set debounce: %d\n", 270 error); 271 return error; 272 } 273 } 274 275 if (pwrkey->data->pull_up_bit) { 276 error = regmap_update_bits(pwrkey->regmap, 277 pwrkey->baseaddr + PON_PULL_CTL, 278 pwrkey->data->pull_up_bit, 279 pull_up ? pwrkey->data->pull_up_bit : 280 0); 281 if (error) { 282 dev_err(&pdev->dev, "failed to set pull: %d\n", error); 283 return error; 284 } 285 } 286 287 error = devm_request_threaded_irq(&pdev->dev, pwrkey->irq, 288 NULL, pm8941_pwrkey_irq, 289 IRQF_ONESHOT, 290 pwrkey->data->name, pwrkey); 291 if (error) { 292 dev_err(&pdev->dev, "failed requesting IRQ: %d\n", error); 293 return error; 294 } 295 296 error = input_register_device(pwrkey->input); 297 if (error) { 298 dev_err(&pdev->dev, "failed to register input device: %d\n", 299 error); 300 return error; 301 } 302 303 if (pwrkey->data->supports_ps_hold_poff_config) { 304 pwrkey->reboot_notifier.notifier_call = pm8941_reboot_notify; 305 error = register_reboot_notifier(&pwrkey->reboot_notifier); 306 if (error) { 307 dev_err(&pdev->dev, "failed to register reboot notifier: %d\n", 308 error); 309 return error; 310 } 311 } 312 313 platform_set_drvdata(pdev, pwrkey); 314 device_init_wakeup(&pdev->dev, 1); 315 316 return 0; 317 } 318 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Quoting Anjelique Melendez (2022-02-02 17:08:05) > diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c > index e0240db12d4f..2a42a676b021 100644 > --- a/drivers/input/misc/pm8941-pwrkey.c > +++ b/drivers/input/misc/pm8941-pwrkey.c > @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) > dev_err(&pdev->dev, "failed to locate regmap\n"); > return -ENODEV; > } > + } > > - error = of_property_read_u32(parent->of_node, > - "reg", &pwrkey->baseaddr); > - } else { > - error = of_property_read_u32(pdev->dev.of_node, "reg", > - &pwrkey->baseaddr); > + addr = of_get_address(regmap_node, 0, NULL, NULL); > + if (!addr) { > + dev_err(&pdev->dev, "reg property missing\n"); > + return -EINVAL; > + } > + pwrkey->baseaddr = be32_to_cpup(*addr); > + > + if (pwrkey->data->has_pon_pbs) { > + /* PON_PBS base address is optional */ > + addr = of_get_address(regmap_node, 1, NULL, NULL); > + if (addr) > + pwrkey->pon_pbs_baseaddr = be32_to_cpup(*addr); With the deref dropped. Reviewed-by: Stephen Boyd <swboyd@chromium.org>
On 2/3/2022 1:16 PM, Stephen Boyd wrote: > Quoting Anjelique Melendez (2022-02-02 17:08:05) >> diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c >> index e0240db12d4f..2a42a676b021 100644 >> --- a/drivers/input/misc/pm8941-pwrkey.c >> +++ b/drivers/input/misc/pm8941-pwrkey.c >> @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) >> dev_err(&pdev->dev, "failed to locate regmap\n"); >> return -ENODEV; >> } >> + } >> >> - error = of_property_read_u32(parent->of_node, >> - "reg", &pwrkey->baseaddr); >> - } else { >> - error = of_property_read_u32(pdev->dev.of_node, "reg", >> - &pwrkey->baseaddr); >> + addr = of_get_address(regmap_node, 0, NULL, NULL); >> + if (!addr) { >> + dev_err(&pdev->dev, "reg property missing\n"); >> + return -EINVAL; >> + } >> + pwrkey->baseaddr = be32_to_cpup(*addr); >> + >> + if (pwrkey->data->has_pon_pbs) { >> + /* PON_PBS base address is optional */ >> + addr = of_get_address(regmap_node, 1, NULL, NULL); >> + if (addr) >> + pwrkey->pon_pbs_baseaddr = be32_to_cpup(*addr); > > With the deref dropped. > > Reviewed-by: Stephen Boyd <swboyd@chromium.org> ACK
diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index e0240db12d4f..2a42a676b021 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -12,6 +12,7 @@ #include <linux/log2.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/reboot.h> @@ -44,6 +45,7 @@ struct pm8941_data { unsigned int status_bit; bool supports_ps_hold_poff_config; bool supports_debounce_config; + bool has_pon_pbs; const char *name; const char *phys; }; @@ -52,6 +54,7 @@ struct pm8941_pwrkey { struct device *dev; int irq; u32 baseaddr; + u32 pon_pbs_baseaddr; struct regmap *regmap; struct input_dev *input; @@ -167,6 +170,8 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) struct pm8941_pwrkey *pwrkey; bool pull_up; struct device *parent; + struct device_node *regmap_node; + const __be32 *addr; u32 req_delay; int error; @@ -188,8 +193,10 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) pwrkey->data = of_device_get_match_data(&pdev->dev); parent = pdev->dev.parent; + regmap_node = pdev->dev.of_node; pwrkey->regmap = dev_get_regmap(parent, NULL); if (!pwrkey->regmap) { + regmap_node = parent->of_node; /* * We failed to get regmap for parent. Let's see if we are * a child of pon node and read regmap and reg from its @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to locate regmap\n"); return -ENODEV; } + } - error = of_property_read_u32(parent->of_node, - "reg", &pwrkey->baseaddr); - } else { - error = of_property_read_u32(pdev->dev.of_node, "reg", - &pwrkey->baseaddr); + addr = of_get_address(regmap_node, 0, NULL, NULL); + if (!addr) { + dev_err(&pdev->dev, "reg property missing\n"); + return -EINVAL; + } + pwrkey->baseaddr = be32_to_cpup(*addr); + + if (pwrkey->data->has_pon_pbs) { + /* PON_PBS base address is optional */ + addr = of_get_address(regmap_node, 1, NULL, NULL); + if (addr) + pwrkey->pon_pbs_baseaddr = be32_to_cpup(*addr); } - if (error) - return error; pwrkey->irq = platform_get_irq(pdev, 0); if (pwrkey->irq < 0) @@ -316,6 +329,7 @@ static const struct pm8941_data pwrkey_data = { .phys = "pm8941_pwrkey/input0", .supports_ps_hold_poff_config = true, .supports_debounce_config = true, + .has_pon_pbs = false, }; static const struct pm8941_data resin_data = { @@ -325,6 +339,7 @@ static const struct pm8941_data resin_data = { .phys = "pm8941_resin/input0", .supports_ps_hold_poff_config = true, .supports_debounce_config = true, + .has_pon_pbs = false, }; static const struct pm8941_data pon_gen3_pwrkey_data = { @@ -333,6 +348,7 @@ static const struct pm8941_data pon_gen3_pwrkey_data = { .phys = "pmic_pwrkey/input0", .supports_ps_hold_poff_config = false, .supports_debounce_config = false, + .has_pon_pbs = true, }; static const struct pm8941_data pon_gen3_resin_data = { @@ -341,6 +357,7 @@ static const struct pm8941_data pon_gen3_resin_data = { .phys = "pmic_resin/input0", .supports_ps_hold_poff_config = false, .supports_debounce_config = false, + .has_pon_pbs = true, }; static const struct of_device_id pm8941_pwr_key_id_table[] = {
Currently, PON address is read from the "reg" property. For PON GEN3, which starts with PMK8350, the "reg" property will have both the PON HLOS and PON PBS addesses defined. Add support so that all PON generations can be configured. Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com> --- drivers/input/misc/pm8941-pwrkey.c | 31 +++++++++++++++++++++++------- 1 file changed, 24 insertions(+), 7 deletions(-)