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Date: Tue, 14 Jun 2022 12:16:48 +0000 From: <Conor.Dooley@...rochip.com> To: <u.kleine-koenig@...gutronix.de> CC: <lkp@...el.com>, <thierry.reding@...il.com>, <lee.jones@...aro.org>, <kbuild-all@...ts.01.org>, <Daire.McNamara@...rochip.com>, <linux-kernel@...r.kernel.org>, <linux-pwm@...r.kernel.org>, <linux-riscv@...ts.infradead.org> Subject: Re: [PATCH v2 1/2] pwm: add microchip soft ip corePWM driver On 14/06/2022 13:13, Uwe Kleine-König wrote: > On Tue, Jun 14, 2022 at 10:34:00AM +0000, Conor.Dooley@...rochip.com wrote: >>> xtensa-linux-ld: drivers/pwm/pwm-microchip-core.o: in function `mchp_core_pwm_enable.isra.0': >>>>> pwm-microchip-core.c:(.text+0x380): undefined reference to `__udivdi3' >>> xtensa-linux-ld: drivers/pwm/pwm-microchip-core.o: in function `mchp_core_pwm_apply': >>> pwm-microchip-core.c:(.text+0x586): undefined reference to `__udivdi3' >> >> I assume this is me using functions that are only defined for 64 bit... > > This is usually a division with variables > int. Aye, which I now have - hence the div64_u64(). Thanks, I'll go digging for a fix :) Conor.
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