From: Jay Fang Date: Wed, 7 Apr 2021 02:31:00 +0000 (+0800) Subject: spi: hisi-kunpeng: Fix Woverflow warning on conversion X-Git-Tag: v5.13-rc1~150^2~37 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=9a446cf97af70ee81ba177703b67ac4955a5edcc;p=tomoyo%2Ftomoyo-test1.git spi: hisi-kunpeng: Fix Woverflow warning on conversion 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 Reported-by: kernel test robot Signed-off-by: Jay Fang Link: https://lore.kernel.org/r/1617762660-54681-1-git-send-email-f.fangjian@huawei.com Signed-off-by: Mark Brown --- 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;