From: kbuild test robot <lkp@intel.com>
To: Greentime Hu <green.hu@gmail.com>
Cc: kbuild-all@01.org, greentime@andestech.com,
linux-kernel@vger.kernel.org, arnd@arndb.de,
linux-arch@vger.kernel.org, tglx@linutronix.de,
jason@lakedaemon.net, marc.zyngier@arm.com, robh+dt@kernel.org,
netdev@vger.kernel.org, deanbo422@gmail.com,
devicetree@vger.kernel.org, viro@zeniv.linux.org.uk,
dhowells@redhat.com, will.deacon@arm.com,
daniel.lezcano@linaro.org, linux-serial@vger.kernel.org,
geert.uytterhoeven@gmail.com, linus.walleij@linaro.org,
mark.rutland@arm.com, greg@kroah.com, ren_guo@c-sky.com,
pombredanne@nexb.com, green.hu@gmail.com
Subject: Re: [PATCH v4 33/36] net: faraday add nds32 support.
Date: Wed, 20 Dec 2017 19:03:34 +0800 [thread overview]
Message-ID: <201712201849.V1uJdj6R%fengguang.wu@intel.com> (raw)
In-Reply-To: <95be78502aa406f106ecbe87e751a45333883b1f.1513577007.git.green.hu@gmail.com>
Hi Greentime,
I love your patch! Perhaps something to improve:
[auto build test WARNING on tip/timers/core]
[cannot apply to linus/master v4.15-rc4 next-20171220]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Greentime-Hu/Andes-nds32-Linux-Kernel/20171220-155937
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
vim +205 drivers/net/ethernet/faraday/ftmac100.c
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 199
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 200 /******************************************************************************
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 201 * internal functions (receive descriptor)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 202 *****************************************************************************/
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 203 static bool ftmac100_rxdes_first_segment(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 204 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 @205 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_FRS);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 206 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 207
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 208 static bool ftmac100_rxdes_last_segment(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 209 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 210 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_LRS);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 211 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 212
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 213 static bool ftmac100_rxdes_owned_by_dma(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 214 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 @215 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_RXDMA_OWN);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 216 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 217
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 218 static void ftmac100_rxdes_set_dma_own(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 219 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 220 /* clear status bits */
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 @221 rxdes->rxdes0 = cpu_to_le32(FTMAC100_RXDES0_RXDMA_OWN);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 222 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 223
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 224 static bool ftmac100_rxdes_rx_error(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 225 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 226 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_RX_ERR);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 227 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 228
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 229 static bool ftmac100_rxdes_crc_error(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 230 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 231 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_CRC_ERR);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 232 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 233
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 234 static bool ftmac100_rxdes_frame_too_long(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 235 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 236 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_FTL);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 237 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 238
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 239 static bool ftmac100_rxdes_runt(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 240 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 241 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_RUNT);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 242 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 243
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 244 static bool ftmac100_rxdes_odd_nibble(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 245 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 246 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_RX_ODD_NB);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 247 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 248
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 249 static unsigned int ftmac100_rxdes_frame_length(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 250 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 @251 return le32_to_cpu(rxdes->rxdes0) & FTMAC100_RXDES0_RFL;
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 252 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 253
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 254 static bool ftmac100_rxdes_multicast(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 255 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 256 return rxdes->rxdes0 & cpu_to_le32(FTMAC100_RXDES0_MULTICAST);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 257 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 258
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 259 static void ftmac100_rxdes_set_buffer_size(struct ftmac100_rxdes *rxdes,
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 260 unsigned int size)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 261 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 @262 rxdes->rxdes1 &= cpu_to_le32(FTMAC100_RXDES1_EDORR);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 263 rxdes->rxdes1 |= cpu_to_le32(FTMAC100_RXDES1_RXBUF_SIZE(size));
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 264 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 265
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 266 static void ftmac100_rxdes_set_end_of_ring(struct ftmac100_rxdes *rxdes)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 267 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 268 rxdes->rxdes1 |= cpu_to_le32(FTMAC100_RXDES1_EDORR);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 269 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 270
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 271 static void ftmac100_rxdes_set_dma_addr(struct ftmac100_rxdes *rxdes,
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 272 dma_addr_t addr)
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 273 {
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 @274 rxdes->rxdes2 = cpu_to_le32(addr);
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 275 }
8d77c036 drivers/net/ftmac100.c Po-Yu Chuang 2011-02-28 276
:::::: The code at line 205 was first introduced by commit
:::::: 8d77c036b57cf813d838f859e11b6a188acdb1fb net: add Faraday FTMAC100 10/100 Ethernet driver
:::::: TO: Po-Yu Chuang <ratbert@faraday-tech.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
next prev parent reply other threads:[~2017-12-20 11:04 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 6:46 [PATCH v4 00/36] Andes(nds32) Linux Kernel Greentime Hu
2017-12-18 6:46 ` [PATCH v4 01/36] asm-generic/io.h: move ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt out of ifndef CONFIG_MMU Greentime Hu
2017-12-20 10:09 ` kbuild test robot
2017-12-22 14:38 ` Greentime Hu
2017-12-20 10:10 ` kbuild test robot
2017-12-22 14:40 ` Greentime Hu
2017-12-18 6:46 ` [PATCH v4 02/36] earlycon: add reg-offset to physical address before mapping Greentime Hu
2017-12-18 6:46 ` [PATCH v4 03/36] nds32: Assembly macros and definitions Greentime Hu
2017-12-18 6:46 ` [PATCH v4 04/36] nds32: Kernel booting and initialization Greentime Hu
2017-12-19 22:01 ` Randy Dunlap
2017-12-20 2:35 ` Greentime Hu
2017-12-18 6:46 ` [PATCH v4 05/36] nds32: Exception handling Greentime Hu
2017-12-18 6:46 ` [PATCH v4 06/36] nds32: MMU definitions Greentime Hu
2017-12-18 6:46 ` [PATCH v4 07/36] nds32: MMU initialization Greentime Hu
2017-12-18 6:46 ` [PATCH v4 08/36] nds32: MMU fault handling and page table management Greentime Hu
2017-12-18 6:46 ` [PATCH v4 09/36] nds32: Cache and TLB routines Greentime Hu
2017-12-18 6:46 ` [PATCH v4 10/36] nds32: Process management Greentime Hu
2017-12-18 6:46 ` [PATCH v4 11/36] nds32: IRQ handling Greentime Hu
2017-12-18 6:46 ` [PATCH v4 12/36] nds32: Atomic operations Greentime Hu
2017-12-18 6:46 ` [PATCH v4 13/36] nds32: Device specific operations Greentime Hu
2017-12-18 11:26 ` Arnd Bergmann
2017-12-18 11:44 ` Greentime Hu
2017-12-18 6:46 ` [PATCH v4 14/36] nds32: DMA mapping API Greentime Hu
2017-12-18 6:46 ` [PATCH v4 15/36] nds32: ELF definitions Greentime Hu
2017-12-18 6:46 ` [PATCH v4 16/36] nds32: System calls handling Greentime Hu
2017-12-18 11:19 ` Arnd Bergmann
2017-12-19 2:10 ` Vincent Chen
2017-12-18 6:46 ` [PATCH v4 17/36] nds32: VDSO support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 18/36] nds32: Signal handling support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 19/36] nds32: Library functions Greentime Hu
2017-12-18 6:46 ` [PATCH v4 20/36] nds32: Debugging support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 21/36] nds32: L2 cache support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 22/36] nds32: Loadable modules Greentime Hu
2017-12-18 6:46 ` [PATCH v4 23/36] nds32: Generic timers support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 24/36] nds32: Device tree support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 25/36] nds32: Miscellaneous header files Greentime Hu
2017-12-18 11:13 ` Arnd Bergmann
2017-12-19 5:34 ` Greentime Hu
2017-12-19 9:54 ` Arnd Bergmann
2017-12-20 2:34 ` Greentime Hu
2017-12-18 6:46 ` [PATCH v4 26/36] nds32: defconfig Greentime Hu
2017-12-18 6:46 ` [PATCH v4 27/36] nds32: Build infrastructure Greentime Hu
2017-12-18 6:46 ` [PATCH v4 28/36] MAINTAINERS: Add nds32 Greentime Hu
2017-12-18 6:46 ` [PATCH v4 29/36] dt-bindings: nds32 CPU Bindings Greentime Hu
2017-12-18 6:46 ` [PATCH v4 30/36] dt-bindings: nds32 SoC Bindings Greentime Hu
2017-12-18 6:46 ` [PATCH v4 31/36] dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller Greentime Hu
2017-12-18 6:46 ` [PATCH v4 32/36] irqchip: Andestech Internal Vector Interrupt Controller driver Greentime Hu
2017-12-18 6:46 ` [PATCH v4 33/36] net: faraday add nds32 support Greentime Hu
2017-12-20 9:54 ` kbuild test robot
2017-12-20 9:58 ` Geert Uytterhoeven
2017-12-20 10:34 ` Greentime Hu
2017-12-20 11:03 ` kbuild test robot [this message]
2017-12-18 6:46 ` [PATCH v4 34/36] clocksource/drivers/atcpit100: Add andestech atcpit100 timer Greentime Hu
2017-12-18 6:46 ` [PATCH v4 35/36] clocksource/drivers/atcpit100: VDSO support Greentime Hu
2017-12-18 6:46 ` [PATCH v4 36/36] dt-bindings: timer: Add andestech atcpit100 timer binding doc Greentime Hu
2018-02-14 14:56 ` [PATCH v4 00/36] Andes(nds32) Linux Kernel Arnd Bergmann
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