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Wed, 19 Jul 2023 20:48:58 +0000 Date: Thu, 20 Jul 2023 04:48:04 +0800 From: kernel test robot To: William Zhang Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Florian Fainelli Subject: drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 Message-ID: <202307200429.ZJZG9V9A-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi William, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: bfa3037d828050896ae52f6467b6ca2489ae6fb1 commit: 7bb49d774f481fdd7bd053e034e4d206770fda04 arm64: bcmbca: Make BCM4908 drivers depend on ARCH_BCMBCA date: 11 months ago config: arm64-randconfig-r092-20230720 (https://download.01.org/0day-ci/archive/20230720/202307200429.ZJZG9V9A-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230720/202307200429.ZJZG9V9A-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202307200429.ZJZG9V9A-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:65: sparse: sparse: cast to restricted __be32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:103:45: sparse: sparse: cast to restricted __le32 >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:115:36: sparse: sparse: restricted __le32 degrades to integer >> drivers/soc/bcm/bcm63xx/bcm-pmb.c:115:55: sparse: sparse: restricted __be32 degrades to integer vim +103 drivers/soc/bcm/bcm63xx/bcm-pmb.c 8bcac4011ebe0db Rafał Miłecki 2020-12-14 90 8bcac4011ebe0db Rafał Miłecki 2020-12-14 91 static int bcm_pmb_bpcm_read(struct bcm_pmb *pmb, int bus, u8 device, 8bcac4011ebe0db Rafał Miłecki 2020-12-14 92 int offset, u32 *val) 8bcac4011ebe0db Rafał Miłecki 2020-12-14 93 { 8bcac4011ebe0db Rafał Miłecki 2020-12-14 94 void __iomem *base = pmb->base + bus * 0x20; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 95 unsigned long flags; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 96 int err; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 97 8bcac4011ebe0db Rafał Miłecki 2020-12-14 98 spin_lock_irqsave(&pmb->lock, flags); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 99 err = bpcm_rd(base, device, offset, val); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 100 spin_unlock_irqrestore(&pmb->lock, flags); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 101 8bcac4011ebe0db Rafał Miłecki 2020-12-14 102 if (!err) 8bcac4011ebe0db Rafał Miłecki 2020-12-14 @103 *val = pmb->little_endian ? le32_to_cpu(*val) : be32_to_cpu(*val); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 104 8bcac4011ebe0db Rafał Miłecki 2020-12-14 105 return err; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 106 } 8bcac4011ebe0db Rafał Miłecki 2020-12-14 107 8bcac4011ebe0db Rafał Miłecki 2020-12-14 108 static int bcm_pmb_bpcm_write(struct bcm_pmb *pmb, int bus, u8 device, 8bcac4011ebe0db Rafał Miłecki 2020-12-14 109 int offset, u32 val) 8bcac4011ebe0db Rafał Miłecki 2020-12-14 110 { 8bcac4011ebe0db Rafał Miłecki 2020-12-14 111 void __iomem *base = pmb->base + bus * 0x20; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 112 unsigned long flags; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 113 int err; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 114 8bcac4011ebe0db Rafał Miłecki 2020-12-14 @115 val = pmb->little_endian ? cpu_to_le32(val) : cpu_to_be32(val); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 116 8bcac4011ebe0db Rafał Miłecki 2020-12-14 117 spin_lock_irqsave(&pmb->lock, flags); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 118 err = bpcm_wr(base, device, offset, val); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 119 spin_unlock_irqrestore(&pmb->lock, flags); 8bcac4011ebe0db Rafał Miłecki 2020-12-14 120 8bcac4011ebe0db Rafał Miłecki 2020-12-14 121 return err; 8bcac4011ebe0db Rafał Miłecki 2020-12-14 122 } 8bcac4011ebe0db Rafał Miłecki 2020-12-14 123 :::::: The code at line 103 was first introduced by commit :::::: 8bcac4011ebe0dbdd46fd55b036ee855c95702d3 soc: bcm: add PM driver for Broadcom's PMB :::::: TO: Rafał Miłecki :::::: CC: Florian Fainelli -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki