Hi Sean, I love your patch! Yet something to improve: [auto build test ERROR on shawnguo/for-next] [also build test ERROR on robh/for-next clk/clk-next arm/for-next arm64/for-next/core rockchip/for-next soc/for-next linus/master v6.0-rc3] [cannot apply to xilinx-xlnx/master next-20220901] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Sean-Anderson/phy-Add-support-for-Lynx-10G-SerDes/20220903-053840 base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220903/202209032301.fWPibuKq-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/cbfe9294ef583cc8dffd9cebf9ff325bbcdb4cef git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Sean-Anderson/phy-Add-support-for-Lynx-10G-SerDes/20220903-053840 git checkout cbfe9294ef583cc8dffd9cebf9ff325bbcdb4cef # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/phy/freescale/phy-fsl-lynx-10g-clk.c: In function 'lynx_pll_recalc_rate': >> drivers/phy/freescale/phy-fsl-lynx-10g-clk.c:255:25: error: implicit declaration of function 'FIELD_GET' [-Werror=implicit-function-declaration] 255 | u32 frate_sel = FIELD_GET(PLLaCR0_FRATE_SEL, cr0); | ^~~~~~~~~ drivers/phy/freescale/phy-fsl-lynx-10g-clk.c: In function 'lynx_pll_set_rate': >> drivers/phy/freescale/phy-fsl-lynx-10g-clk.c:340:16: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration] 340 | cr0 |= FIELD_PREP(PLLaCR0_RFCLK_SEL, rfclk_sel); | ^~~~~~~~~~ drivers/phy/freescale/phy-fsl-lynx-10g-clk.c: In function 'lynx_clk_init': >> drivers/phy/freescale/phy-fsl-lynx-10g-clk.c:466:9: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration] 466 | kfree(ref_name); | ^~~~~ | vfree cc1: some warnings being treated as errors vim +/FIELD_GET +255 drivers/phy/freescale/phy-fsl-lynx-10g-clk.c 249 250 static unsigned long lynx_pll_recalc_rate(struct clk_hw *hw, 251 unsigned long parent_rate) 252 { 253 struct lynx_clk *clk = lynx_pll_to_clk(hw); 254 u32 cr0 = lynx_read(clk, PLLaCR0(clk->idx)); > 255 u32 frate_sel = FIELD_GET(PLLaCR0_FRATE_SEL, cr0); 256 u32 rfclk_sel = FIELD_GET(PLLaCR0_RFCLK_SEL, cr0); 257 u32 ratio = lynx_pll_ratio(frate_sel, rfclk_sel); 258 unsigned long ret; 259 260 /* Ensure that the parent matches our rfclk selector */ 261 if (rfclk_sel == lynx_rfclk_to_sel(parent_rate)) 262 ret = mult_frac(parent_rate, ratio, HZ_PER_KHZ); 263 else 264 ret = 0; 265 266 dev_dbg(clk->dev, "recalc pll%d new=%llu parent=%lu\n", clk->idx, 267 (u64)ret * HZ_PER_KHZ, parent_rate); 268 return ret; 269 } 270 271 static long lynx_pll_round_rate(struct clk_hw *hw, unsigned long rate_khz, 272 unsigned long *parent_rate) 273 { 274 int frate_sel, rfclk_sel; 275 struct lynx_clk *clk = lynx_pll_to_clk(hw); 276 u32 ratio; 277 278 dev_dbg(clk->dev, "round pll%d new=%llu parent=%lu\n", clk->idx, 279 (u64)rate_khz * HZ_PER_KHZ, *parent_rate); 280 281 frate_sel = lynx_frate_to_sel(rate_khz); 282 if (frate_sel < 0) 283 return frate_sel; 284 285 /* Try the current parent rate */ 286 rfclk_sel = lynx_rfclk_to_sel(*parent_rate); 287 if (rfclk_sel >= 0) { 288 ratio = lynx_pll_ratio(frate_sel, rfclk_sel); 289 if (ratio) 290 return mult_frac(*parent_rate, ratio, HZ_PER_KHZ); 291 } 292 293 /* Try all possible parent rates */ 294 for (rfclk_sel = 0; 295 rfclk_sel < ARRAY_SIZE(rfclk_sel_map); 296 rfclk_sel++) { 297 unsigned long new_parent_rate; 298 299 ratio = lynx_pll_ratio(frate_sel, rfclk_sel); 300 if (!ratio) 301 continue; 302 303 /* Ensure the reference clock can produce this rate */ 304 new_parent_rate = rfclk_sel_map[rfclk_sel]; 305 new_parent_rate = clk_hw_round_rate(clk->ref, new_parent_rate); 306 if (rfclk_sel != lynx_rfclk_to_sel(new_parent_rate)) 307 continue; 308 309 *parent_rate = new_parent_rate; 310 return mult_frac(new_parent_rate, ratio, HZ_PER_KHZ); 311 } 312 313 return -EINVAL; 314 } 315 316 static int lynx_pll_set_rate(struct clk_hw *hw, unsigned long rate_khz, 317 unsigned long parent_rate) 318 { 319 int frate_sel, rfclk_sel; 320 struct lynx_clk *clk = lynx_pll_to_clk(hw); 321 u32 ratio, cr0 = lynx_read(clk, PLLaCR0(clk->idx)); 322 323 dev_dbg(clk->dev, "set rate pll%d new=%llu parent=%lu\n", clk->idx, 324 (u64)rate_khz * HZ_PER_KHZ, parent_rate); 325 326 frate_sel = lynx_frate_to_sel(rate_khz); 327 if (frate_sel < 0) 328 return frate_sel; 329 330 rfclk_sel = lynx_rfclk_to_sel(parent_rate); 331 if (rfclk_sel < 0) 332 return rfclk_sel; 333 334 ratio = lynx_pll_ratio(frate_sel, rfclk_sel); 335 if (!ratio) 336 return -EINVAL; 337 338 lynx_pll_stop(clk); 339 cr0 &= ~(PLLaCR0_RFCLK_SEL | PLLaCR0_FRATE_SEL); > 340 cr0 |= FIELD_PREP(PLLaCR0_RFCLK_SEL, rfclk_sel); 341 cr0 |= FIELD_PREP(PLLaCR0_FRATE_SEL, frate_sel); 342 lynx_write(clk, cr0, PLLaCR0(clk->idx)); 343 /* Don't bother resetting if it's off */ 344 if (cr0 & PLLaCR0_POFF) 345 return 0; 346 return lynx_pll_reset(clk); 347 } 348 -- 0-DAY CI Kernel Test Service https://01.org/lkp
