From: Jay Fang <f.fangjian@huawei.com> mainline inclusion from mainline-v5.13-rc1 commit 9a446cf97af70ee81ba177703b67ac4955a5edcc category: feature bugzilla: 175249 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ---------------------------------------------------------------------- Fix warning Woverflow on type conversion reported on x86_64: drivers/spi/spi-hisi-kunpeng.c:361:9: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551600' to '4294967280' [-Woverflow] The registers are 32 bit, so fix by casting to u32. Fixes: c770d8631e18 ("spi: Add HiSilicon SPI Controller Driver for Kunpeng SoCs") Cc: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Jay Fang <f.fangjian@huawei.com> Link: https://lore.kernel.org/r/1617762660-54681-1-git-send-email-f.fangjian@huawe... Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Chengwen Feng <fengchengwen@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/spi/spi-hisi-kunpeng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-hisi-kunpeng.c b/drivers/spi/spi-hisi-kunpeng.c index abc0cd54eee6..3f986ba1c328 100644 --- a/drivers/spi/spi-hisi-kunpeng.c +++ b/drivers/spi/spi-hisi-kunpeng.c @@ -358,7 +358,7 @@ static int hisi_spi_transfer_one(struct spi_controller *master, smp_mb(); /* Enable all interrupts and the controller */ - writel(~IMR_MASK, hs->regs + HISI_SPI_IMR); + writel(~(u32)IMR_MASK, hs->regs + HISI_SPI_IMR); writel(1, hs->regs + HISI_SPI_ENR); return 1; -- 2.20.1