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Message-ID: <202004202142.XUbqbo8p%lkp@intel.com>
Date: Mon, 20 Apr 2020 21:02:47 +0800
From: kbuild test robot <lkp@...el.com>
To: Guenter Roeck <linux@...ck-us.net>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Richard Weinberger <richard@....at>,
Boris Brezillon <bbrezillon@...nel.org>,
Tudor Ambarus <tudor.ambarus@...rochip.com>
Subject: drivers/mtd/spi-nor/controllers/intel-spi.c:224:20: warning: Clarify
calculation precedence for '&' and '?'. [clarifyCalculation]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ae83d0b416db002fe95601e7f97f64b59514d936
commit: 2098c564701c0dde76063dd9c5c00a7a1f173541 mtd: spi-nor: Compile files in controllers/ directory
date: 11 days ago
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>
cppcheck warnings: (new ones prefixed by >>)
>> drivers/mtd/spi-nor/controllers/intel-spi.c:224:20: warning: Clarify calculation precedence for '&' and '?'. [clarifyCalculation]
value & PR_WPE ? 'W' : '.',
^
drivers/mtd/spi-nor/controllers/intel-spi.c:225:20: warning: Clarify calculation precedence for '&' and '?'. [clarifyCalculation]
value & PR_RPE ? 'R' : '.');
^
vim +224 drivers/mtd/spi-nor/controllers/intel-spi.c
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 165
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 166 static void intel_spi_dump_regs(struct intel_spi *ispi)
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 167 {
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 168 u32 value;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 169 int i;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 170
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 171 dev_dbg(ispi->dev, "BFPREG=0x%08x\n", readl(ispi->base + BFPREG));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 172
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 173 value = readl(ispi->base + HSFSTS_CTL);
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 174 dev_dbg(ispi->dev, "HSFSTS_CTL=0x%08x\n", value);
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 175 if (value & HSFSTS_CTL_FLOCKDN)
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 176 dev_dbg(ispi->dev, "-> Locked\n");
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 177
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 178 dev_dbg(ispi->dev, "FADDR=0x%08x\n", readl(ispi->base + FADDR));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 179 dev_dbg(ispi->dev, "DLOCK=0x%08x\n", readl(ispi->base + DLOCK));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 180
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 181 for (i = 0; i < 16; i++)
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 182 dev_dbg(ispi->dev, "FDATA(%d)=0x%08x\n",
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 183 i, readl(ispi->base + FDATA(i)));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 184
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 185 dev_dbg(ispi->dev, "FRACC=0x%08x\n", readl(ispi->base + FRACC));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 186
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 187 for (i = 0; i < ispi->nregions; i++)
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 188 dev_dbg(ispi->dev, "FREG(%d)=0x%08x\n", i,
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 189 readl(ispi->base + FREG(i)));
9cbb035cc111f5 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 190 for (i = 0; i < ispi->pr_num; i++)
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 191 dev_dbg(ispi->dev, "PR(%d)=0x%08x\n", i,
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 192 readl(ispi->pregs + PR(i)));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 193
3912970809cfbc drivers/mtd/spi-nor/intel-spi.c Jethro Beekman 2019-09-04 194 if (ispi->sregs) {
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 195 value = readl(ispi->sregs + SSFSTS_CTL);
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 196 dev_dbg(ispi->dev, "SSFSTS_CTL=0x%08x\n", value);
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 197 dev_dbg(ispi->dev, "PREOP_OPTYPE=0x%08x\n",
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 198 readl(ispi->sregs + PREOP_OPTYPE));
3912970809cfbc drivers/mtd/spi-nor/intel-spi.c Jethro Beekman 2019-09-04 199 dev_dbg(ispi->dev, "OPMENU0=0x%08x\n",
3912970809cfbc drivers/mtd/spi-nor/intel-spi.c Jethro Beekman 2019-09-04 200 readl(ispi->sregs + OPMENU0));
3912970809cfbc drivers/mtd/spi-nor/intel-spi.c Jethro Beekman 2019-09-04 201 dev_dbg(ispi->dev, "OPMENU1=0x%08x\n",
3912970809cfbc drivers/mtd/spi-nor/intel-spi.c Jethro Beekman 2019-09-04 202 readl(ispi->sregs + OPMENU1));
3912970809cfbc drivers/mtd/spi-nor/intel-spi.c Jethro Beekman 2019-09-04 203 }
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 204
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 205 if (ispi->info->type == INTEL_SPI_BYT)
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 206 dev_dbg(ispi->dev, "BCR=0x%08x\n", readl(ispi->base + BYT_BCR));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 207
3163d125b7b1f9 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 208 dev_dbg(ispi->dev, "LVSCC=0x%08x\n", readl(ispi->base + LVSCC));
3163d125b7b1f9 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 209 dev_dbg(ispi->dev, "UVSCC=0x%08x\n", readl(ispi->base + UVSCC));
3163d125b7b1f9 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 210
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 211 dev_dbg(ispi->dev, "Protected regions:\n");
9cbb035cc111f5 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 212 for (i = 0; i < ispi->pr_num; i++) {
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 213 u32 base, limit;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 214
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 215 value = readl(ispi->pregs + PR(i));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 216 if (!(value & (PR_WPE | PR_RPE)))
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 217 continue;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 218
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 219 limit = (value & PR_LIMIT_MASK) >> PR_LIMIT_SHIFT;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 220 base = value & PR_BASE_MASK;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 221
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 222 dev_dbg(ispi->dev, " %02d base: 0x%08x limit: 0x%08x [%c%c]\n",
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 223 i, base << 12, (limit << 12) | 0xfff,
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 @224 value & PR_WPE ? 'W' : '.',
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 225 value & PR_RPE ? 'R' : '.');
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 226 }
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 227
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 228 dev_dbg(ispi->dev, "Flash regions:\n");
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 229 for (i = 0; i < ispi->nregions; i++) {
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 230 u32 region, base, limit;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 231
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 232 region = readl(ispi->base + FREG(i));
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 233 base = region & FREG_BASE_MASK;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 234 limit = (region & FREG_LIMIT_MASK) >> FREG_LIMIT_SHIFT;
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 235
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 236 if (base >= limit || (i > 0 && limit == 0))
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 237 dev_dbg(ispi->dev, " %02d disabled\n", i);
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 238 else
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 239 dev_dbg(ispi->dev, " %02d base: 0x%08x limit: 0x%08x\n",
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 240 i, base << 12, (limit << 12) | 0xfff);
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 241 }
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 242
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 243 dev_dbg(ispi->dev, "Using %cW sequencer for register access\n",
2421f1ccbd4e7c drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 244 ispi->swseq_reg ? 'S' : 'H');
3163d125b7b1f9 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 245 dev_dbg(ispi->dev, "Using %cW sequencer for erase operation\n",
3163d125b7b1f9 drivers/mtd/spi-nor/intel-spi.c Bin Meng 2017-09-11 246 ispi->swseq_erase ? 'S' : 'H');
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 247 }
8afda8b26d01ee drivers/mtd/spi-nor/intel-spi.c Mika Westerberg 2016-11-28 248
:::::: The code at line 224 was first introduced by commit
:::::: 8afda8b26d01ee26a60ef2f0284a7f01a5ed96f8 spi-nor: Add support for Intel SPI serial flash controller
:::::: TO: Mika Westerberg <mika.westerberg@...ux.intel.com>
:::::: CC: Lee Jones <lee.jones@...aro.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
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