tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b593b8979eac3f6255401663fa42f3473b8f6cb1 commit: 44bd27c42a1c9a00f1fbcb58301a7f3e6f5cdd0f [3838/5952] ASoC: simple-amplifier: Remove spurious gpiolib select config: s390-randconfig-r032-20220216 (https://download.01.org/0day-ci/archive/20220216/202202161638.Q6uhVami-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0e628a783b935c70c80815db6c061ec84f884af5) 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 # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 44bd27c42a1c9a00f1fbcb58301a7f3e6f5cdd0f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/vc4/ sound/soc/codecs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/vc4/vc4_hdmi.c:34: In file included from include/drm/drm_atomic_helper.h:31: In file included from include/drm/drm_crtc.h:31: In file included from include/linux/fb.h:18: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from drivers/gpu/drm/vc4/vc4_hdmi.c:34: In file included from include/drm/drm_atomic_helper.h:31: In file included from include/drm/drm_crtc.h:31: In file included from include/linux/fb.h:18: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from drivers/gpu/drm/vc4/vc4_hdmi.c:34: In file included from include/drm/drm_atomic_helper.h:31: In file included from include/drm/drm_crtc.h:31: In file included from include/linux/fb.h:18: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ if (gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio)) ^ drivers/gpu/drm/vc4/vc4_hdmi.c:196:7: note: did you mean 'gpio_get_value_cansleep'? include/linux/gpio.h:181:19: note: 'gpio_get_value_cansleep' declared here static inline int gpio_get_value_cansleep(unsigned gpio) ^ vc4_hdmi->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN); ^ drivers/gpu/drm/vc4/vc4_hdmi.c:2529:23: note: did you mean 'devm_clk_get_optional'? include/linux/clk.h:470:13: note: 'devm_clk_get_optional' declared here struct clk *devm_clk_get_optional(struct device *dev, const char *id); ^ vc4_hdmi->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN); ^ 12 warnings and 3 errors generated. -- In file included from sound/soc/codecs/tlv320adc3xxx.c:19: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from sound/soc/codecs/tlv320adc3xxx.c:19: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from sound/soc/codecs/tlv320adc3xxx.c:19: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ adc3xxx->rst_pin = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); ^ sound/soc/codecs/tlv320adc3xxx.c:1209:21: note: did you mean 'devm_gpio_free'? include/linux/gpio.h:243:20: note: 'devm_gpio_free' declared here static inline void devm_gpio_free(struct device *dev, unsigned int gpio) ^ adc3xxx->rst_pin = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); ^ gpiod_set_value_cansleep(adc3xxx->rst_pin, 1); ^ sound/soc/codecs/tlv320adc3xxx.c:1257:2: note: did you mean 'gpio_set_value_cansleep'? include/linux/gpio.h:188:20: note: 'gpio_set_value_cansleep' declared here static inline void gpio_set_value_cansleep(unsigned gpio, int value) ^ 12 warnings and 3 errors generated. vim +/gpiod_get_value_cansleep +196 drivers/gpu/drm/vc4/vc4_hdmi.c b7551457c5d0b3 Maxime Ripard 2021-10-25 184 c8b75bca92cbf0 Eric Anholt 2015-03-02 185 static enum drm_connector_status c8b75bca92cbf0 Eric Anholt 2015-03-02 186 vc4_hdmi_connector_detect(struct drm_connector *connector, bool force) c8b75bca92cbf0 Eric Anholt 2015-03-02 187 { 5dfbcae63f1098 Maxime Ripard 2020-09-03 188 struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector); 4d8602b8ec16f5 Dom Cobley 2021-01-11 189 bool connected = false; c8b75bca92cbf0 Eric Anholt 2015-03-02 190 82cb88af12d29e Maxime Ripard 2021-10-25 191 mutex_lock(&vc4_hdmi->mutex); 82cb88af12d29e Maxime Ripard 2021-10-25 192 0f5251339eda7f Maxime Ripard 2021-09-22 193 WARN_ON(pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev)); 0f5251339eda7f Maxime Ripard 2021-09-22 194 e32e5723256a99 Maxime Ripard 2021-10-25 195 if (vc4_hdmi->hpd_gpio) { e32e5723256a99 Maxime Ripard 2021-10-25 @196 if (gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio)) 4d8602b8ec16f5 Dom Cobley 2021-01-11 197 connected = true; 81fb55e500a82a Maxime Ripard 2021-10-25 198 } else { 81fb55e500a82a Maxime Ripard 2021-10-25 199 unsigned long flags; 81fb55e500a82a Maxime Ripard 2021-10-25 200 u32 hotplug; 81fb55e500a82a Maxime Ripard 2021-10-25 201 81fb55e500a82a Maxime Ripard 2021-10-25 202 spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); 81fb55e500a82a Maxime Ripard 2021-10-25 203 hotplug = HDMI_READ(HDMI_HOTPLUG); 81fb55e500a82a Maxime Ripard 2021-10-25 204 spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); 81fb55e500a82a Maxime Ripard 2021-10-25 205 81fb55e500a82a Maxime Ripard 2021-10-25 206 if (hotplug & VC4_HDMI_HOTPLUG_CONNECTED) 4d8602b8ec16f5 Dom Cobley 2021-01-11 207 connected = true; c8b75bca92cbf0 Eric Anholt 2015-03-02 208 } c8b75bca92cbf0 Eric Anholt 2015-03-02 209 4d8602b8ec16f5 Dom Cobley 2021-01-11 210 if (connected) { 4d8602b8ec16f5 Dom Cobley 2021-01-11 211 if (connector->status != connector_status_connected) { 4d8602b8ec16f5 Dom Cobley 2021-01-11 212 struct edid *edid = drm_get_edid(connector, vc4_hdmi->ddc); 4d8602b8ec16f5 Dom Cobley 2021-01-11 213 4d8602b8ec16f5 Dom Cobley 2021-01-11 214 if (edid) { 4d8602b8ec16f5 Dom Cobley 2021-01-11 215 cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid); 4d8602b8ec16f5 Dom Cobley 2021-01-11 216 vc4_hdmi->encoder.hdmi_monitor = drm_detect_hdmi_monitor(edid); 4d8602b8ec16f5 Dom Cobley 2021-01-11 217 kfree(edid); 4d8602b8ec16f5 Dom Cobley 2021-01-11 218 } 4d8602b8ec16f5 Dom Cobley 2021-01-11 219 } 9d44abbbb8d530 Eric Anholt 2016-09-14 220 b7551457c5d0b3 Maxime Ripard 2021-10-25 221 vc4_hdmi_enable_scrambling(&vc4_hdmi->encoder.base.base); 0f5251339eda7f Maxime Ripard 2021-09-22 222 pm_runtime_put(&vc4_hdmi->pdev->dev); 82cb88af12d29e Maxime Ripard 2021-10-25 223 mutex_unlock(&vc4_hdmi->mutex); c8b75bca92cbf0 Eric Anholt 2015-03-02 224 return connector_status_connected; 4d8602b8ec16f5 Dom Cobley 2021-01-11 225 } 4d8602b8ec16f5 Dom Cobley 2021-01-11 226 b10db9a4242bd5 Maxime Ripard 2020-09-03 227 cec_phys_addr_invalidate(vc4_hdmi->cec_adap); 0f5251339eda7f Maxime Ripard 2021-09-22 228 pm_runtime_put(&vc4_hdmi->pdev->dev); 82cb88af12d29e Maxime Ripard 2021-10-25 229 mutex_unlock(&vc4_hdmi->mutex); c8b75bca92cbf0 Eric Anholt 2015-03-02 230 return connector_status_disconnected; c8b75bca92cbf0 Eric Anholt 2015-03-02 231 } c8b75bca92cbf0 Eric Anholt 2015-03-02 232 :::::: The code at line 196 was first introduced by commit :::::: e32e5723256a99c5324824503572f743377dd0fe drm/vc4: hdmi: Fix HPD GPIO detection :::::: TO: Maxime Ripard <maxime(a)cerno.tech&gt; :::::: CC: Maxime Ripard <maxime(a)cerno.tech&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org