From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: [xlnx:master 59/60] drivers/mtd/spi-nor/spi-nor.c:5455:22: warning: Unused variable: np_spi
Date: Sat, 30 Jan 2021 01:00:07 +0800 [thread overview]
Message-ID: <202101300100.L3m7YVxp-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 23067 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-arm-kernel(a)lists.infradead.org
TO: Vishal Sagar <vishal.sagar@xilinx.com>
CC: Michal Simek <monstr@monstr.eu>
CC: Hyun Kwon <hyun.kwon@xilinx.com>
tree: https://github.com/Xilinx/linux-xlnx master
head: 043f8a226a752a1dd11f7ff64cee6dbe7334d394
commit: c0b33b8ccd38096c815f2dd39746044d0aa079d3 [59/60] staging: xlnxsync: Fix the uapi header license
:::::: branch date: 9 months ago
:::::: commit date: 9 months ago
compiler: nios2-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
drivers/mtd/spi-nor/spi-nor.c:4170:24: warning: Boolean result is used in bitwise operation. Clarify expression with parentheses. [clarifyCondition]
map_id = map_id << 1 | !!(*buf & read_data_mask);
^
>> drivers/mtd/spi-nor/spi-nor.c:5455:22: warning: Unused variable: np_spi [unusedVariable]
struct device_node *np_spi;
^
drivers/mtd/spi-nor/spi-nor.c:5456:6: warning: Unused variable: is_dual [unusedVariable]
u32 is_dual;
^
vim +5455 drivers/mtd/spi-nor/spi-nor.c
620df2497415a9 Tudor Ambarus 2019-08-24 5444
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5445 int spi_nor_scan(struct spi_nor *nor, const char *name,
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5446 const struct spi_nor_hwcaps *hwcaps)
b199489d37b21c Huang Shijie 2014-02-24 5447 {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5448 struct flash_info *info = NULL;
b199489d37b21c Huang Shijie 2014-02-24 5449 struct device *dev = nor->dev;
1976367173a47f Brian Norris 2015-08-13 5450 struct mtd_info *mtd = &nor->mtd;
9c7d787508be6d Brian Norris 2015-10-30 5451 struct device_node *np = spi_nor_get_flash_node(nor);
1e35a56781b4b5 Tudor Ambarus 2019-08-23 5452 struct spi_nor_flash_parameter *params = &nor->params;
b199489d37b21c Huang Shijie 2014-02-24 5453 int ret;
b199489d37b21c Huang Shijie 2014-02-24 5454 int i;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 @5455 struct device_node *np_spi;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5456 u32 is_dual;
b199489d37b21c Huang Shijie 2014-02-24 5457
b199489d37b21c Huang Shijie 2014-02-24 5458 ret = spi_nor_check(nor);
b199489d37b21c Huang Shijie 2014-02-24 5459 if (ret)
b199489d37b21c Huang Shijie 2014-02-24 5460 return ret;
b199489d37b21c Huang Shijie 2014-02-24 5461
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5462 /* Reset SPI protocol for all commands. */
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5463 nor->reg_proto = SNOR_PROTO_1_1_1;
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5464 nor->read_proto = SNOR_PROTO_1_1_1;
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5465 nor->write_proto = SNOR_PROTO_1_1_1;
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5466
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5467 /*
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5468 * We need the bounce buffer early to read/write registers when going
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5469 * through the spi-mem layer (buffers have to be DMA-able).
b35b9a10362d20 Boris Brezillon 2019-08-06 5470 * For spi-mem drivers, we'll reallocate a new buffer if
b35b9a10362d20 Boris Brezillon 2019-08-06 5471 * nor->page_size turns out to be greater than PAGE_SIZE (which
b35b9a10362d20 Boris Brezillon 2019-08-06 5472 * shouldn't happen before long since NOR pages are usually less
b35b9a10362d20 Boris Brezillon 2019-08-06 5473 * than 1KB) after spi_nor_scan() returns.
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5474 */
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5475 nor->bouncebuf_size = PAGE_SIZE;
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5476 nor->bouncebuf = devm_kmalloc(dev, nor->bouncebuf_size,
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5477 GFP_KERNEL);
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5478 if (!nor->bouncebuf)
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5479 return -ENOMEM;
f173f26a4d543f Vignesh Raghavendra 2019-08-06 5480
620df2497415a9 Tudor Ambarus 2019-08-24 5481 info = spi_nor_get_flash_info(nor, name);
620df2497415a9 Tudor Ambarus 2019-08-24 5482 if (IS_ERR(info))
620df2497415a9 Tudor Ambarus 2019-08-24 5483 return PTR_ERR(info);
b199489d37b21c Huang Shijie 2014-02-24 5484
b296379fef7ce9 Boris Brezillon 2018-12-06 5485 nor->info = info;
b296379fef7ce9 Boris Brezillon 2018-12-06 5486
dcc935b06f1f29 Zhuohao Lee 2019-08-28 5487 spi_nor_debugfs_init(nor, info);
dcc935b06f1f29 Zhuohao Lee 2019-08-28 5488
b199489d37b21c Huang Shijie 2014-02-24 5489 mutex_init(&nor->lock);
b199489d37b21c Huang Shijie 2014-02-24 5490
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5491 /*
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5492 * Make sure the XSR_RDY flag is set before calling
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5493 * spi_nor_wait_till_ready(). Xilinx S3AN share MFR
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5494 * with Atmel spi-nor
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5495 */
ad3bba06b63697 Boris Brezillon 2019-07-30 5496 if (info->flags & SPI_NOR_XSR_RDY)
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5497 nor->flags |= SNOR_F_READY_XSR_RDY;
e99ca98f1d7190 Ricardo Ribalda Delgado 2016-12-02 5498
dff972458acb05 Boris Brezillon 2019-08-24 5499 if (info->flags & SPI_NOR_HAS_LOCK)
dff972458acb05 Boris Brezillon 2019-08-24 5500 nor->flags |= SNOR_F_HAS_LOCK;
dff972458acb05 Boris Brezillon 2019-08-24 5501
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5502 if ((u16)JEDEC_MFR(nor->info) != SNOR_MFR_MICRON)
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5503 nor->flags |= SNOR_F_BROKEN_OCTAL_DDR;
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5504
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5505 /*
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5506 * Atmel, SST, Intel/Numonyx, and others serial NOR tend to power up
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5507 * with the software protection bits set.
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5508 */
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5509 if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5510 JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5511 JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5512 nor->info->flags & SPI_NOR_HAS_LOCK) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5513 write_enable(nor);
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5514 write_sr(nor, 0);
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5515 if (info->flags & SST_GLOBAL_PROT_UNLK) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5516 write_enable(nor);
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5517 if (nor->spimem) {
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5518 struct spi_mem_op op =
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5519 SPI_MEM_OP(SPI_MEM_OP_CMD(GLOBAL_BLKPROT_UNLK, 1),
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5520 SPI_MEM_OP_NO_ADDR,
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5521 SPI_MEM_OP_NO_DUMMY,
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5522 SPI_MEM_OP_NO_DATA);
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5523
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5524 spi_mem_exec_op(nor->spimem, &op);
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5525 } else {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5526 /* Unlock global write protection bits */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5527 nor->write_reg(nor, GLOBAL_BLKPROT_UNLK, NULL, 0);
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5528 }
abd3edf0a1c724 Amit Kumar Mahapatra 2020-02-17 5529 }
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5530 spi_nor_wait_till_ready(nor);
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5531 }
191f5c2ed4b6fa Tudor Ambarus 2019-06-10 5532
1c1d8d98e1c706 Tudor Ambarus 2019-08-24 5533 /* Init flash parameters based on flash_info struct and SFDP */
1c1d8d98e1c706 Tudor Ambarus 2019-08-24 5534 spi_nor_init_params(nor);
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5535
32f1b7c8352fd3 Rafał Miłecki 2014-09-28 5536 if (!mtd->name)
b199489d37b21c Huang Shijie 2014-02-24 5537 mtd->name = dev_name(dev);
c9ec3900abf279 Brian Norris 2015-08-13 5538 mtd->priv = nor;
b199489d37b21c Huang Shijie 2014-02-24 5539 mtd->type = MTD_NORFLASH;
b199489d37b21c Huang Shijie 2014-02-24 5540 mtd->writesize = 1;
b199489d37b21c Huang Shijie 2014-02-24 5541 mtd->flags = MTD_CAP_NORFLASH;
1e35a56781b4b5 Tudor Ambarus 2019-08-23 5542 mtd->size = params->size;
b199489d37b21c Huang Shijie 2014-02-24 5543 mtd->_erase = spi_nor_erase;
b199489d37b21c Huang Shijie 2014-02-24 5544 mtd->_read = spi_nor_read;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5545 nor->page_size = params->page_size;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5546 #ifdef CONFIG_OF
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5547 np_spi = of_get_next_parent(np);
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5548 if (((of_property_match_string(np_spi, "compatible",
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5549 "xlnx,zynq-qspi-1.0") >= 0) ||
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5550 (of_property_match_string(np_spi, "compatible",
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5551 "xlnx,zynqmp-qspi-1.0") >= 0)) ||
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5552 (of_property_match_string(np_spi, "compatible",
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5553 "xlnx,versal-qspi-1.0") >= 0)) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5554 if (of_property_read_u32(np_spi, "is-dual",
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5555 &is_dual) < 0) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5556 /* Default to single if prop not defined */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5557 nor->shift = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5558 nor->isstacked = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5559 nor->isparallel = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5560 } else {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5561 if (is_dual == 1) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5562 /* dual parallel */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5563 nor->shift = 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5564 info->sector_size <<= nor->shift;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5565 info->page_size <<= nor->shift;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5566 mtd->size <<= nor->shift;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5567 nor->isparallel = 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5568 nor->isstacked = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5569 nor->spi->master->flags |=
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5570 (SPI_MASTER_DATA_STRIPE
e48e22ba9df304 Amit Kumar Mahapatra 2020-01-19 5571 | SPI_MASTER_BOTH_CS);
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5572 } else {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5573 #ifdef CONFIG_SPI_ZYNQ_QSPI_DUAL_STACKED
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5574 /* dual stacked */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5575 nor->shift = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5576 mtd->size <<= 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5577 info->n_sectors <<= 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5578 nor->isstacked = 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5579 nor->isparallel = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5580 #else
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5581 u32 is_stacked;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5582
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5583 if (of_property_read_u32(np_spi,
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5584 "is-stacked",
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5585 &is_stacked) < 0) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5586 is_stacked = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5587 }
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5588 if (is_stacked) {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5589 /* dual stacked */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5590 nor->shift = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5591 mtd->size <<= 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5592 info->n_sectors <<= 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5593 nor->isstacked = 1;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5594 nor->isparallel = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5595 } else {
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5596 /* single */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5597 nor->shift = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5598 nor->isstacked = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5599 nor->isparallel = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5600 }
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5601 #endif
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5602 }
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5603 }
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5604 }
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5605 #else
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5606 /* Default to single */
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5607 nor->shift = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5608 nor->isstacked = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5609 nor->isparallel = 0;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5610 #endif
d6084fc83c8249 Kamal Dasu 2017-08-22 5611 mtd->_resume = spi_nor_resume;
b199489d37b21c Huang Shijie 2014-02-24 5612
dff972458acb05 Boris Brezillon 2019-08-24 5613 if (nor->params.locking_ops) {
b199489d37b21c Huang Shijie 2014-02-24 5614 mtd->_lock = spi_nor_lock;
b199489d37b21c Huang Shijie 2014-02-24 5615 mtd->_unlock = spi_nor_unlock;
5bf0e69b67a560 Brian Norris 2015-09-01 5616 mtd->_is_locked = spi_nor_is_locked;
b199489d37b21c Huang Shijie 2014-02-24 5617 }
b199489d37b21c Huang Shijie 2014-02-24 5618
b199489d37b21c Huang Shijie 2014-02-24 5619 /* sst nor chips use AAI word program */
b199489d37b21c Huang Shijie 2014-02-24 5620 if (info->flags & SST_WRITE)
b199489d37b21c Huang Shijie 2014-02-24 5621 mtd->_write = sst_write;
b199489d37b21c Huang Shijie 2014-02-24 5622 else
b199489d37b21c Huang Shijie 2014-02-24 5623 mtd->_write = spi_nor_write;
b199489d37b21c Huang Shijie 2014-02-24 5624
51983b7dcf3a50 Brian Norris 2014-09-10 5625 if (info->flags & USE_FSR)
51983b7dcf3a50 Brian Norris 2014-09-10 5626 nor->flags |= SNOR_F_USE_FSR;
3dd8012a8eeb37 Brian Norris 2016-01-29 5627 if (info->flags & SPI_NOR_HAS_TB)
3dd8012a8eeb37 Brian Norris 2016-01-29 5628 nor->flags |= SNOR_F_HAS_SR_TB;
2f5ad7f0f3e167 mar.krzeminski 2017-01-06 5629 if (info->flags & NO_CHIP_ERASE)
2f5ad7f0f3e167 mar.krzeminski 2017-01-06 5630 nor->flags |= SNOR_F_NO_OP_CHIP_ERASE;
c4b3eacc1dfef5 Alexander Sverdlin 2017-07-17 5631 if (info->flags & USE_CLSR)
c4b3eacc1dfef5 Alexander Sverdlin 2017-07-17 5632 nor->flags |= SNOR_F_USE_CLSR;
c14deddec1fbd8 grmoore(a)altera.com 2014-04-29 5633
b199489d37b21c Huang Shijie 2014-02-24 5634 if (info->flags & SPI_NOR_NO_ERASE)
b199489d37b21c Huang Shijie 2014-02-24 5635 mtd->flags |= MTD_NO_ERASE;
b199489d37b21c Huang Shijie 2014-02-24 5636
b199489d37b21c Huang Shijie 2014-02-24 5637 mtd->dev.parent = dev;
4a15e396e500a0 Amit Kumar Mahapatra 2020-01-19 5638 nor->jedec_id = info->id[0];
b199489d37b21c Huang Shijie 2014-02-24 5639 mtd->writebufsize = nor->page_size;
b199489d37b21c Huang Shijie 2014-02-24 5640
bb276262e88dae Brian Norris 2018-07-27 5641 if (of_property_read_bool(np, "broken-flash-reset"))
bb276262e88dae Brian Norris 2018-07-27 5642 nor->flags |= SNOR_F_BROKEN_RESET;
bb276262e88dae Brian Norris 2018-07-27 5643
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5644 /*
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5645 * Configure the SPI memory:
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5646 * - select op codes for (Fast) Read, Page Program and Sector Erase.
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5647 * - set the number of dummy cycles (mode cycles + wait states).
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5648 * - set the SPI protocols for register and memory accesses.
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5649 */
1e35a56781b4b5 Tudor Ambarus 2019-08-23 5650 ret = spi_nor_setup(nor, hwcaps);
cfc5604c488ccd Cyrille Pitchen 2017-04-25 5651 if (ret)
b199489d37b21c Huang Shijie 2014-02-24 5652 return ret;
b199489d37b21c Huang Shijie 2014-02-24 5653
92094ebc385ef5 Boris Brezillon 2019-08-24 5654 if (info->flags & SPI_NOR_4B_OPCODES)
548ed6847f5303 Boris Brezillon 2018-12-06 5655 nor->flags |= SNOR_F_4B_OPCODES;
548ed6847f5303 Boris Brezillon 2018-12-06 5656
696ce50f4e9377 Tudor Ambarus 2019-08-24 5657 ret = spi_nor_set_addr_width(nor);
696ce50f4e9377 Tudor Ambarus 2019-08-24 5658 if (ret)
696ce50f4e9377 Tudor Ambarus 2019-08-24 5659 return ret;
c67cbb839da9cc Brian Norris 2015-11-10 5660
46dde01f6bab35 Kamal Dasu 2017-08-22 5661 /* Send all the required SPI flash commands to initialize device */
46dde01f6bab35 Kamal Dasu 2017-08-22 5662 ret = spi_nor_init(nor);
46dde01f6bab35 Kamal Dasu 2017-08-22 5663 if (ret)
46dde01f6bab35 Kamal Dasu 2017-08-22 5664 return ret;
46dde01f6bab35 Kamal Dasu 2017-08-22 5665
06bb6f5a69dfc5 Rafał Miłecki 2015-08-10 5666 dev_info(dev, "%s (%lld Kbytes)\n", info->name,
b199489d37b21c Huang Shijie 2014-02-24 5667 (long long)mtd->size >> 10);
b199489d37b21c Huang Shijie 2014-02-24 5668
b199489d37b21c Huang Shijie 2014-02-24 5669 dev_dbg(dev,
b199489d37b21c Huang Shijie 2014-02-24 5670 "mtd .name = %s, .size = 0x%llx (%lldMiB), "
b199489d37b21c Huang Shijie 2014-02-24 5671 ".erasesize = 0x%.8x (%uKiB) .numeraseregions = %d\n",
b199489d37b21c Huang Shijie 2014-02-24 5672 mtd->name, (long long)mtd->size, (long long)(mtd->size >> 20),
b199489d37b21c Huang Shijie 2014-02-24 5673 mtd->erasesize, mtd->erasesize / 1024, mtd->numeraseregions);
b199489d37b21c Huang Shijie 2014-02-24 5674
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5675 if (hwcaps->mask & (SNOR_HWCAPS_READ_8_8_8 | SNOR_HWCAPS_PP_8_8_8)) {
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5676 if (!(nor->flags & SNOR_F_BROKEN_OCTAL_DDR)) {
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5677 ret = spi_nor_switch_micron_octal_ddr(nor);
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5678 if (ret)
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5679 return ret;
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5680 }
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5681 }
bc9834d82ffb13 Sai Krishna Potthuri 2019-12-26 5682
b199489d37b21c Huang Shijie 2014-02-24 5683 if (mtd->numeraseregions)
b199489d37b21c Huang Shijie 2014-02-24 5684 for (i = 0; i < mtd->numeraseregions; i++)
b199489d37b21c Huang Shijie 2014-02-24 5685 dev_dbg(dev,
b199489d37b21c Huang Shijie 2014-02-24 5686 "mtd.eraseregions[%d] = { .offset = 0x%llx, "
b199489d37b21c Huang Shijie 2014-02-24 5687 ".erasesize = 0x%.8x (%uKiB), "
b199489d37b21c Huang Shijie 2014-02-24 5688 ".numblocks = %d }\n",
b199489d37b21c Huang Shijie 2014-02-24 5689 i, (long long)mtd->eraseregions[i].offset,
b199489d37b21c Huang Shijie 2014-02-24 5690 mtd->eraseregions[i].erasesize,
b199489d37b21c Huang Shijie 2014-02-24 5691 mtd->eraseregions[i].erasesize / 1024,
b199489d37b21c Huang Shijie 2014-02-24 5692 mtd->eraseregions[i].numblocks);
b199489d37b21c Huang Shijie 2014-02-24 5693 return 0;
b199489d37b21c Huang Shijie 2014-02-24 5694 }
b61834b0d0ed50 Brian Norris 2014-04-08 5695 EXPORT_SYMBOL_GPL(spi_nor_scan);
b199489d37b21c Huang Shijie 2014-02-24 5696
:::::: The code at line 5455 was first introduced by commit
:::::: 4a15e396e500a03a854a3a7de0b8df38af2dcf9d mtd: spi-nor: Add dual parallel and stacked support for Zynq QSPI controller
:::::: TO: Amit Kumar Mahapatra <amit.kumar-mahapatra@xilinx.com>
:::::: CC: Michal Simek <michal.simek@xilinx.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next reply other threads:[~2021-01-29 17:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-29 17:00 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-02-04 11:03 [xlnx:master 59/60] drivers/mtd/spi-nor/spi-nor.c:5455:22: warning: Unused variable: np_spi Dan Carpenter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202101300100.L3m7YVxp-lkp@intel.com \
--to=lkp@intel.com \
--cc=kbuild@lists.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.