linux-kernel - Re: [PATCH v2 3/5] rtc: zynqmp: rework read

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Message-ID: <fded3e4f-f292-48bf-aea7-0c8e71f7e056@vaisala.com>
Date: Thu, 15 Jan 2026 09:41:51 +0200
From: Tomas Melin <tomas.melin@...sala.com>
To: kernel test robot <lkp@...el.com>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Michal Simek <monstr@...str.eu>
Cc: oe-kbuild-all@...ts.linux.dev, linux-rtc@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/5] rtc: zynqmp: rework read_offset

Hi,

On 15/01/2026 02:42, kernel test robot wrote:

> 
>    arm-linux-gnueabi-ld: drivers/spi/spi-amlogic-spifc-a4.o: in function `aml_sfc_set_bus_width':
>    spi-amlogic-spifc-a4.c:(.text.aml_sfc_set_bus_width+0x8c): undefined reference to `__ffsdi2'
>    arm-linux-gnueabi-ld: spi-amlogic-spifc-a4.c:(.text.aml_sfc_set_bus_width+0xac): undefined reference to `__ffsdi2'
>    arm-linux-gnueabi-ld: spi-amlogic-spifc-a4.c:(.text.aml_sfc_set_bus_width+0xcc): undefined reference to `__ffsdi2'
>    arm-linux-gnueabi-ld: drivers/rtc/rtc-zynqmp.o: in function `xlnx_rtc_read_offset':
>>> rtc-zynqmp.c:(.text.xlnx_rtc_read_offset+0xd0): undefined reference to `__aeabi_ldivmod'
>>> arm-linux-gnueabi-ld: rtc-zynqmp.c:(.text.xlnx_rtc_read_offset+0x15c): undefined reference to `__aeabi_ldivmod'
AFAIU this is related to compiling for arm 32 bit target. Is this error
relevant since this driver is for aarch64 zynqmp specifically? If so,
what would be correct way of fixing?

Thanks,
Tomas



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