From: kbuild test robot <lkp@intel.com>
To: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Cc: kbuild-all@01.org, boris.brezillon@bootlin.com,
miquel.raynal@bootlin.com, richard@nod.at, dwmw2@infradead.org,
computersforpeace@gmail.com, marek.vasut@gmail.com,
michals@xilinx.com, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org, nagasuresh12@gmail.com,
robh@kernel.org,
Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Subject: Re: [LINUX PATCH v12 3/3] mtd: rawnand: arasan: Add support for Arasan NAND Flash Controller
Date: Sat, 10 Nov 2018 07:03:49 +0800 [thread overview]
Message-ID: <201811100712.fDf3TZu9%fengguang.wu@intel.com> (raw)
In-Reply-To: <1541739641-17789-4-git-send-email-naga.sureshkumar.relli@xilinx.com>
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Hi Naga,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on mtd/nand/next]
[also build test WARNING on v4.20-rc1 next-20181109]
[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/Naga-Sureshkumar-Relli/dt-bindings-mtd-arasan-Add-device-tree-binding-documentation/20181110-034106
base: git://git.infradead.org/linux-mtd.git nand/next
config: sh-allyesconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=sh
All warnings (new ones prefixed by >>):
In file included from include/linux/scatterlist.h:9:0,
from include/linux/dma-mapping.h:11,
from drivers/mtd//nand/raw/arasan_nand.c:12:
drivers/mtd//nand/raw/arasan_nand.c: In function 'anfc_rw_dma_op':
>> drivers/mtd//nand/raw/arasan_nand.c:353:16: warning: right shift count >= width of type [-Wshift-count-overflow]
writel((paddr >> 32), nfc->base + DMA_ADDR1_OFST);
^
arch/sh/include/asm/io.h:31:77: note: in definition of macro '__raw_writel'
#define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v))
^
arch/sh/include/asm/io.h:46:62: note: in expansion of macro 'ioswabl'
#define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c))
^~~~~~~
arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed'
#define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); })
^~~~~~~~~~~~~~
>> drivers/mtd//nand/raw/arasan_nand.c:353:2: note: in expansion of macro 'writel'
writel((paddr >> 32), nfc->base + DMA_ADDR1_OFST);
^~~~~~
vim +353 drivers/mtd//nand/raw/arasan_nand.c
325
326 static void anfc_rw_dma_op(struct mtd_info *mtd, u8 *buf, int len,
327 bool do_read, u32 prog, int pktcount, int pktsize)
328 {
329 dma_addr_t paddr;
330 struct nand_chip *chip = mtd_to_nand(mtd);
331 struct anfc_nand_controller *nfc = to_anfc(chip->controller);
332 struct anfc_nand_chip *achip = to_anfc_nand(chip);
333 u32 eccintr = 0, dir;
334
335 if (pktsize == 0)
336 pktsize = len;
337
338 anfc_setpktszcnt(nfc, pktsize, pktcount);
339
340 if (!achip->strength)
341 eccintr = MBIT_ERROR;
342
343 if (do_read)
344 dir = DMA_FROM_DEVICE;
345 else
346 dir = DMA_TO_DEVICE;
347 paddr = dma_map_single(nfc->dev, buf, len, dir);
348 if (dma_mapping_error(nfc->dev, paddr)) {
349 dev_err(nfc->dev, "Read buffer mapping error");
350 return;
351 }
352 writel(paddr, nfc->base + DMA_ADDR0_OFST);
> 353 writel((paddr >> 32), nfc->base + DMA_ADDR1_OFST);
354 anfc_enable_intrs(nfc, (XFER_COMPLETE | eccintr));
355 writel(prog, nfc->base + PROG_OFST);
356 anfc_wait_for_event(nfc);
357 dma_unmap_single(nfc->dev, paddr, len, dir);
358 }
359
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-11-09 23:04 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-09 5:00 [LINUX PATCH v12 0/3] Add support for Arasan NAND Flash controller Naga Sureshkumar Relli
2018-11-09 5:00 ` [LINUX PATCH v12 1/3] dt-bindings: mtd: arasan: Add device tree binding documentation Naga Sureshkumar Relli
2018-11-09 6:28 ` Boris Brezillon
2018-11-09 12:33 ` Naga Sureshkumar Relli
2018-11-09 12:54 ` Miquel Raynal
2018-11-09 13:19 ` Naga Sureshkumar Relli
2018-11-16 11:50 ` Martin Lund
2018-11-16 12:10 ` Martin Lund
2018-11-16 12:33 ` Michal Simek
2018-11-16 13:50 ` Naga Sureshkumar Relli
2018-11-16 14:22 ` Martin Lund
2018-11-09 5:00 ` [LINUX PATCH v12 2/3] mtd: rawnand: Add an option to get sdr timing mode number Naga Sureshkumar Relli
2018-11-09 5:00 ` [LINUX PATCH v12 3/3] mtd: rawnand: arasan: Add support for Arasan NAND Flash Controller Naga Sureshkumar Relli
2018-11-09 8:07 ` Boris Brezillon
2018-11-09 13:18 ` Naga Sureshkumar Relli
2018-11-09 23:03 ` kbuild test robot [this message]
2018-11-12 10:55 ` Martin Lund
2018-11-12 10:58 ` Boris Brezillon
2018-11-12 12:43 ` Naga Sureshkumar Relli
2018-11-15 9:34 ` Naga Sureshkumar Relli
2018-11-18 18:52 ` Miquel Raynal
2018-11-18 19:43 ` Boris Brezillon
2018-11-19 6:20 ` Naga Sureshkumar Relli
2018-11-19 8:02 ` Boris Brezillon
2018-11-20 7:02 ` Naga Sureshkumar Relli
2018-11-20 11:02 ` Boris Brezillon
2018-11-20 12:36 ` Miquel Raynal
2018-11-23 13:53 ` Naga Sureshkumar Relli
2018-12-12 5:27 ` Naga Sureshkumar Relli
2018-12-12 8:11 ` Miquel Raynal
2018-12-12 9:04 ` Naga Sureshkumar Relli
2018-12-12 9:09 ` Miquel Raynal
2018-12-12 13:07 ` Naga Sureshkumar Relli
2018-12-12 13:18 ` Miquel Raynal
2018-12-17 13:21 ` Naga Sureshkumar Relli
2018-12-17 16:41 ` Miquel Raynal
2018-12-18 5:33 ` Naga Sureshkumar Relli
2018-12-19 14:26 ` Miquel Raynal
2018-12-21 7:36 ` Naga Sureshkumar Relli
2019-01-28 6:04 ` Naga Sureshkumar Relli
2019-01-28 9:27 ` Miquel Raynal
2019-01-28 9:35 ` Naga Sureshkumar Relli
2019-06-19 4:44 ` Naga Sureshkumar Relli
2019-06-27 16:27 ` Miquel Raynal
2019-06-28 4:20 ` Naga Sureshkumar Relli
2018-11-15 16:45 ` Dan Carpenter
2018-11-20 16:24 ` Boris Brezillon
2018-12-04 9:18 ` Naga Sureshkumar Relli
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