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SubjectRe: [PATCH 2/6] hpet: remove unused writeq/readq function definitions
Hi Corentin,

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on v4.11-rc4 next-20170324]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Corentin-Labbe/hpet-misc-fix/20170327-070101
config: i386-randconfig-x017-201713 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers//char/hpet.c: In function 'hpet_timer_set_irq':
>> drivers//char/hpet.c:207:7: error: implicit declaration of function 'readq' [-Werror=implicit-function-declaration]
v = (readq(&timer->hpet_config) & Tn_INT_ROUTE_CAP_MASK) >>
^~~~~
drivers//char/hpet.c: In function 'hpet_release':
>> drivers//char/hpet.c:413:2: error: implicit declaration of function 'writeq' [-Werror=implicit-function-declaration]
writeq((readq(&timer->hpet_config) & ~Tn_INT_ENB_CNF_MASK),
^~~~~~
cc1: some warnings being treated as errors

vim +/readq +207 drivers//char/hpet.c

70ef6d59 Kevin Hao 2008-05-29 191 spin_lock_irq(&hpet_lock);
70ef6d59 Kevin Hao 2008-05-29 192 if (devp->hd_hdwirq) {
70ef6d59 Kevin Hao 2008-05-29 193 spin_unlock_irq(&hpet_lock);
70ef6d59 Kevin Hao 2008-05-29 194 return;
70ef6d59 Kevin Hao 2008-05-29 195 }
70ef6d59 Kevin Hao 2008-05-29 196
70ef6d59 Kevin Hao 2008-05-29 197 timer = devp->hd_timer;
70ef6d59 Kevin Hao 2008-05-29 198
70ef6d59 Kevin Hao 2008-05-29 199 /* we prefer level triggered mode */
70ef6d59 Kevin Hao 2008-05-29 200 v = readl(&timer->hpet_config);
70ef6d59 Kevin Hao 2008-05-29 201 if (!(v & Tn_INT_TYPE_CNF_MASK)) {
70ef6d59 Kevin Hao 2008-05-29 202 v |= Tn_INT_TYPE_CNF_MASK;
70ef6d59 Kevin Hao 2008-05-29 203 writel(v, &timer->hpet_config);
70ef6d59 Kevin Hao 2008-05-29 204 }
70ef6d59 Kevin Hao 2008-05-29 205 spin_unlock_irq(&hpet_lock);
70ef6d59 Kevin Hao 2008-05-29 206
70ef6d59 Kevin Hao 2008-05-29 @207 v = (readq(&timer->hpet_config) & Tn_INT_ROUTE_CAP_MASK) >>
70ef6d59 Kevin Hao 2008-05-29 208 Tn_INT_ROUTE_CAP_SHIFT;
70ef6d59 Kevin Hao 2008-05-29 209
70ef6d59 Kevin Hao 2008-05-29 210 /*
70ef6d59 Kevin Hao 2008-05-29 211 * In PIC mode, skip IRQ0-4, IRQ6-9, IRQ12-15 which is always used by
70ef6d59 Kevin Hao 2008-05-29 212 * legacy device. In IO APIC mode, we skip all the legacy IRQS.
70ef6d59 Kevin Hao 2008-05-29 213 */
70ef6d59 Kevin Hao 2008-05-29 214 if (acpi_irq_model == ACPI_IRQ_MODEL_PIC)
70ef6d59 Kevin Hao 2008-05-29 215 v &= ~0xf3df;

:::::: The code at line 207 was first introduced by commit
:::::: 70ef6d595b6e51618a0cbe44b848d8c9db11a010 x86: get irq for hpet timer

:::::: TO: Kevin Hao <kexin.hao@windriver.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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