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Subject[asahilinux:nvme/new 4/9] drivers/mailbox/apple-asc-mailbox.c:79:9: error: implicit declaration of function 'writeq_relaxed'; did you mean 'writel_relaxed'?
tree:   https://github.com/AsahiLinux/linux nvme/new
head: b97dea3822f87d95ed741680a55b0e6b13755194
commit: 306a1be5e6d8932858256eb9230b33155313abad [4/9] mailbox: add driver for Apple ASC mailboxes
config: microblaze-randconfig-r005-20210822 (attached as .config)
compiler: microblaze-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/AsahiLinux/linux/commit/306a1be5e6d8932858256eb9230b33155313abad
git remote add asahilinux https://github.com/AsahiLinux/linux
git fetch --no-tags asahilinux nvme/new
git checkout 306a1be5e6d8932858256eb9230b33155313abad
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=microblaze

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

drivers/mailbox/apple-asc-mailbox.c: In function 'apple_mbox_hw_send':
>> drivers/mailbox/apple-asc-mailbox.c:79:9: error: implicit declaration of function 'writeq_relaxed'; did you mean 'writel_relaxed'? [-Werror=implicit-function-declaration]
79 | writeq_relaxed(msg->msg0, apple_mbox->regs + APPLE_ASC_MBOX_A2I_SEND0);
| ^~~~~~~~~~~~~~
| writel_relaxed
>> drivers/mailbox/apple-asc-mailbox.c:85:9: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
85 | writeq(FIELD_PREP(APPLE_ASC_MBOX_MSG1_MSG, msg->msg1),
| ^~~~~~
| writel
>> drivers/mailbox/apple-asc-mailbox.c:85:16: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
85 | writeq(FIELD_PREP(APPLE_ASC_MBOX_MSG1_MSG, msg->msg1),
| ^~~~~~~~~~
drivers/mailbox/apple-asc-mailbox.c: In function 'apple_mbox_hw_recv':
>> drivers/mailbox/apple-asc-mailbox.c:101:21: error: implicit declaration of function 'readq_relaxed'; did you mean 'readl_relaxed'? [-Werror=implicit-function-declaration]
101 | msg->msg0 = readq_relaxed(apple_mbox->regs + APPLE_ASC_MBOX_I2A_RECV0);
| ^~~~~~~~~~~~~
| readl_relaxed
>> drivers/mailbox/apple-asc-mailbox.c:108:17: error: implicit declaration of function 'FIELD_GET'; did you mean 'FOLL_GET'? [-Werror=implicit-function-declaration]
108 | FIELD_GET(APPLE_ASC_MBOX_MSG1_MSG,
| ^~~~~~~~~
| FOLL_GET
>> drivers/mailbox/apple-asc-mailbox.c:109:27: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
109 | readq(apple_mbox->regs + APPLE_ASC_MBOX_I2A_RECV1));
| ^~~~~
| readl
cc1: some warnings being treated as errors


vim +79 drivers/mailbox/apple-asc-mailbox.c

74
75 static void apple_mbox_hw_send(struct apple_mbox *apple_mbox,
76 struct apple_mbox_msg *msg)
77 {
78 WARN_ON(!apple_mbox_hw_can_send(apple_mbox));
> 79 writeq_relaxed(msg->msg0, apple_mbox->regs + APPLE_ASC_MBOX_A2I_SEND0);
80
81 /*
82 * we need a DMA barrier here since this message might be related to
83 * data stored in a shared memory buffer.
84 */
> 85 writeq(FIELD_PREP(APPLE_ASC_MBOX_MSG1_MSG, msg->msg1),
86 apple_mbox->regs + APPLE_ASC_MBOX_A2I_SEND1);
87 }
88
89 static bool apple_mbox_hw_can_recv(struct apple_mbox *apple_mbox)
90 {
91 u32 mbox_ctrl =
92 readl_relaxed(apple_mbox->regs + APPLE_ASC_MBOX_I2A_CONTROL);
93
94 return !(mbox_ctrl & APPLE_ASC_MBOX_CONTROL_EMPTY);
95 }
96
97 static void apple_mbox_hw_recv(struct apple_mbox *apple_mbox,
98 struct apple_mbox_msg *msg)
99 {
100 WARN_ON(!apple_mbox_hw_can_recv(apple_mbox));
> 101 msg->msg0 = readq_relaxed(apple_mbox->regs + APPLE_ASC_MBOX_I2A_RECV0);
102
103 /*
104 * we need a DMA barrier here since this message might be related to
105 * data stored in a shared memory buffer.
106 */
107 msg->msg1 =
> 108 FIELD_GET(APPLE_ASC_MBOX_MSG1_MSG,
> 109 readq(apple_mbox->regs + APPLE_ASC_MBOX_I2A_RECV1));
110 }
111

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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