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Message-ID: <202407260215.PNyGyFnW-lkp@intel.com>
Date: Fri, 26 Jul 2024 02:26:03 +0800
From: kernel test robot <lkp@...el.com>
To: Md Sadre Alam <quic_mdalam@...cinc.com>, broonie@...nel.org,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
andersson@...nel.org, konrad.dybcio@...aro.org,
miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
manivannan.sadhasivam@...aro.org, esben@...nix.com,
linux-arm-msm@...r.kernel.org, linux-spi@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-mtd@...ts.infradead.org
Cc: oe-kbuild-all@...ts.linux.dev, quic_mdalam@...cinc.com,
quic_varada@...cinc.com, quic_srichara@...cinc.com
Subject: Re: [PATCH v7 2/8] mtd: rawnand: qcom: cleanup qcom_nandc driver
Hi Md,
kernel test robot noticed the following build warnings:
[auto build test WARNING on mtd/nand/next]
[also build test WARNING on broonie-spi/for-next robh/for-next linus/master v6.10 next-20240725]
[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/Md-Sadre-Alam/spi-dt-bindings-Introduce-qcom-spi-qpic-snand/20240724-195819
base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next
patch link: https://lore.kernel.org/r/20240724114225.2176448-3-quic_mdalam%40quicinc.com
patch subject: [PATCH v7 2/8] mtd: rawnand: qcom: cleanup qcom_nandc driver
config: microblaze-randconfig-r133-20240725 (https://download.01.org/0day-ci/archive/20240726/202407260215.PNyGyFnW-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240726/202407260215.PNyGyFnW-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407260215.PNyGyFnW-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/nand/raw/qcom_nandc.c:689:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location0 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:689:45: sparse: expected restricted __le32 [usertype] read_location0
drivers/mtd/nand/raw/qcom_nandc.c:689:45: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:691:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location1 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:691:45: sparse: expected restricted __le32 [usertype] read_location1
drivers/mtd/nand/raw/qcom_nandc.c:691:45: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:693:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location2 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:693:45: sparse: expected restricted __le32 [usertype] read_location2
drivers/mtd/nand/raw/qcom_nandc.c:693:45: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:695:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location3 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:695:45: sparse: expected restricted __le32 [usertype] read_location3
drivers/mtd/nand/raw/qcom_nandc.c:695:45: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:718:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location_last0 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:718:50: sparse: expected restricted __le32 [usertype] read_location_last0
drivers/mtd/nand/raw/qcom_nandc.c:718:50: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:720:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location_last1 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:720:50: sparse: expected restricted __le32 [usertype] read_location_last1
drivers/mtd/nand/raw/qcom_nandc.c:720:50: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:722:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location_last2 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:722:50: sparse: expected restricted __le32 [usertype] read_location_last2
drivers/mtd/nand/raw/qcom_nandc.c:722:50: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:724:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] read_location_last3 @@ got int val @@
drivers/mtd/nand/raw/qcom_nandc.c:724:50: sparse: expected restricted __le32 [usertype] read_location_last3
drivers/mtd/nand/raw/qcom_nandc.c:724:50: sparse: got int val
>> drivers/mtd/nand/raw/qcom_nandc.c:757:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] addr0 @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:757:28: sparse: expected restricted __le32 [usertype] addr0
drivers/mtd/nand/raw/qcom_nandc.c:757:28: sparse: got int
>> drivers/mtd/nand/raw/qcom_nandc.c:758:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] addr1 @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:758:28: sparse: expected restricted __le32 [usertype] addr1
drivers/mtd/nand/raw/qcom_nandc.c:758:28: sparse: got int
>> drivers/mtd/nand/raw/qcom_nandc.c:798:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got unsigned int [assigned] [usertype] cmd @@
drivers/mtd/nand/raw/qcom_nandc.c:798:26: sparse: expected restricted __le32 [usertype] cmd
drivers/mtd/nand/raw/qcom_nandc.c:798:26: sparse: got unsigned int [assigned] [usertype] cmd
>> drivers/mtd/nand/raw/qcom_nandc.c:799:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cfg0 @@ got unsigned int [assigned] [usertype] cfg0 @@
drivers/mtd/nand/raw/qcom_nandc.c:799:27: sparse: expected restricted __le32 [usertype] cfg0
drivers/mtd/nand/raw/qcom_nandc.c:799:27: sparse: got unsigned int [assigned] [usertype] cfg0
>> drivers/mtd/nand/raw/qcom_nandc.c:800:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cfg1 @@ got unsigned int [assigned] [usertype] cfg1 @@
drivers/mtd/nand/raw/qcom_nandc.c:800:27: sparse: expected restricted __le32 [usertype] cfg1
drivers/mtd/nand/raw/qcom_nandc.c:800:27: sparse: got unsigned int [assigned] [usertype] cfg1
>> drivers/mtd/nand/raw/qcom_nandc.c:801:34: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ecc_bch_cfg @@ got unsigned int [assigned] [usertype] ecc_bch_cfg @@
drivers/mtd/nand/raw/qcom_nandc.c:801:34: sparse: expected restricted __le32 [usertype] ecc_bch_cfg
drivers/mtd/nand/raw/qcom_nandc.c:801:34: sparse: got unsigned int [assigned] [usertype] ecc_bch_cfg
>> drivers/mtd/nand/raw/qcom_nandc.c:804:42: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ecc_buf_cfg @@ got unsigned int [usertype] ecc_buf_cfg @@
drivers/mtd/nand/raw/qcom_nandc.c:804:42: sparse: expected restricted __le32 [usertype] ecc_buf_cfg
drivers/mtd/nand/raw/qcom_nandc.c:804:42: sparse: got unsigned int [usertype] ecc_buf_cfg
>> drivers/mtd/nand/raw/qcom_nandc.c:806:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] clrflashstatus @@ got unsigned int [usertype] clrflashstatus @@
drivers/mtd/nand/raw/qcom_nandc.c:806:37: sparse: expected restricted __le32 [usertype] clrflashstatus
drivers/mtd/nand/raw/qcom_nandc.c:806:37: sparse: got unsigned int [usertype] clrflashstatus
>> drivers/mtd/nand/raw/qcom_nandc.c:807:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] clrreadstatus @@ got unsigned int [usertype] clrreadstatus @@
drivers/mtd/nand/raw/qcom_nandc.c:807:36: sparse: expected restricted __le32 [usertype] clrreadstatus
drivers/mtd/nand/raw/qcom_nandc.c:807:36: sparse: got unsigned int [usertype] clrreadstatus
>> drivers/mtd/nand/raw/qcom_nandc.c:808:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] exec @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:808:27: sparse: expected restricted __le32 [usertype] exec
drivers/mtd/nand/raw/qcom_nandc.c:808:27: sparse: got int
>> drivers/mtd/nand/raw/qcom_nandc.c:2656:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got unsigned int [addressable] [usertype] cmd_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2656:26: sparse: expected restricted __le32 [usertype] cmd
drivers/mtd/nand/raw/qcom_nandc.c:2656:26: sparse: got unsigned int [addressable] [usertype] cmd_reg
drivers/mtd/nand/raw/qcom_nandc.c:2657:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] exec @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2657:27: sparse: expected restricted __le32 [usertype] exec
drivers/mtd/nand/raw/qcom_nandc.c:2657:27: sparse: got int
drivers/mtd/nand/raw/qcom_nandc.c:2713:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got unsigned int [addressable] [usertype] cmd_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2713:26: sparse: expected restricted __le32 [usertype] cmd
drivers/mtd/nand/raw/qcom_nandc.c:2713:26: sparse: got unsigned int [addressable] [usertype] cmd_reg
>> drivers/mtd/nand/raw/qcom_nandc.c:2714:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] addr0 @@ got unsigned int [addressable] [usertype] addr1_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2714:28: sparse: expected restricted __le32 [usertype] addr0
drivers/mtd/nand/raw/qcom_nandc.c:2714:28: sparse: got unsigned int [addressable] [usertype] addr1_reg
>> drivers/mtd/nand/raw/qcom_nandc.c:2715:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] addr1 @@ got unsigned int [addressable] [usertype] addr2_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2715:28: sparse: expected restricted __le32 [usertype] addr1
drivers/mtd/nand/raw/qcom_nandc.c:2715:28: sparse: got unsigned int [addressable] [usertype] addr2_reg
>> drivers/mtd/nand/raw/qcom_nandc.c:2716:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] chip_sel @@ got unsigned long @@
drivers/mtd/nand/raw/qcom_nandc.c:2716:31: sparse: expected restricted __le32 [usertype] chip_sel
drivers/mtd/nand/raw/qcom_nandc.c:2716:31: sparse: got unsigned long
drivers/mtd/nand/raw/qcom_nandc.c:2717:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] exec @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2717:27: sparse: expected restricted __le32 [usertype] exec
drivers/mtd/nand/raw/qcom_nandc.c:2717:27: sparse: got int
>> drivers/mtd/nand/raw/qcom_nandc.c:2757:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] addr0 @@ got unsigned int [addressable] [assigned] [usertype] addr1_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2757:36: sparse: expected restricted __le32 [usertype] addr0
drivers/mtd/nand/raw/qcom_nandc.c:2757:36: sparse: got unsigned int [addressable] [assigned] [usertype] addr1_reg
>> drivers/mtd/nand/raw/qcom_nandc.c:2758:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] addr1 @@ got unsigned int [addressable] [assigned] [usertype] addr2_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2758:36: sparse: expected restricted __le32 [usertype] addr1
drivers/mtd/nand/raw/qcom_nandc.c:2758:36: sparse: got unsigned int [addressable] [assigned] [usertype] addr2_reg
>> drivers/mtd/nand/raw/qcom_nandc.c:2759:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cfg0 @@ got unsigned int @@
drivers/mtd/nand/raw/qcom_nandc.c:2759:35: sparse: expected restricted __le32 [usertype] cfg0
drivers/mtd/nand/raw/qcom_nandc.c:2759:35: sparse: got unsigned int
>> drivers/mtd/nand/raw/qcom_nandc.c:2760:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cfg1 @@ got unsigned int [usertype] cfg1_raw @@
drivers/mtd/nand/raw/qcom_nandc.c:2760:35: sparse: expected restricted __le32 [usertype] cfg1
drivers/mtd/nand/raw/qcom_nandc.c:2760:35: sparse: got unsigned int [usertype] cfg1_raw
>> drivers/mtd/nand/raw/qcom_nandc.c:2773:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got unsigned int [addressable] [assigned] [usertype] cmd_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2773:26: sparse: expected restricted __le32 [usertype] cmd
drivers/mtd/nand/raw/qcom_nandc.c:2773:26: sparse: got unsigned int [addressable] [assigned] [usertype] cmd_reg
drivers/mtd/nand/raw/qcom_nandc.c:2774:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] exec @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2774:27: sparse: expected restricted __le32 [usertype] exec
drivers/mtd/nand/raw/qcom_nandc.c:2774:27: sparse: got int
drivers/mtd/nand/raw/qcom_nandc.c:2819:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got unsigned int [addressable] [assigned] [usertype] cmd_reg @@
drivers/mtd/nand/raw/qcom_nandc.c:2819:26: sparse: expected restricted __le32 [usertype] cmd
drivers/mtd/nand/raw/qcom_nandc.c:2819:26: sparse: got unsigned int [addressable] [assigned] [usertype] cmd_reg
drivers/mtd/nand/raw/qcom_nandc.c:2823:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cfg0 @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2823:27: sparse: expected restricted __le32 [usertype] cfg0
drivers/mtd/nand/raw/qcom_nandc.c:2823:27: sparse: got int
drivers/mtd/nand/raw/qcom_nandc.c:2828:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cfg1 @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2828:27: sparse: expected restricted __le32 [usertype] cfg1
drivers/mtd/nand/raw/qcom_nandc.c:2828:27: sparse: got int
drivers/mtd/nand/raw/qcom_nandc.c:2837:42: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ecc_buf_cfg @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2837:42: sparse: expected restricted __le32 [usertype] ecc_buf_cfg
drivers/mtd/nand/raw/qcom_nandc.c:2837:42: sparse: got int
>> drivers/mtd/nand/raw/qcom_nandc.c:2841:34: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] vld @@ got unsigned long @@
drivers/mtd/nand/raw/qcom_nandc.c:2841:34: sparse: expected restricted __le32 [usertype] vld
drivers/mtd/nand/raw/qcom_nandc.c:2841:34: sparse: got unsigned long
>> drivers/mtd/nand/raw/qcom_nandc.c:2842:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd1 @@ got unsigned int @@
drivers/mtd/nand/raw/qcom_nandc.c:2842:35: sparse: expected restricted __le32 [usertype] cmd1
drivers/mtd/nand/raw/qcom_nandc.c:2842:35: sparse: got unsigned int
drivers/mtd/nand/raw/qcom_nandc.c:2846:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] exec @@ got int @@
drivers/mtd/nand/raw/qcom_nandc.c:2846:27: sparse: expected restricted __le32 [usertype] exec
drivers/mtd/nand/raw/qcom_nandc.c:2846:27: sparse: got int
>> drivers/mtd/nand/raw/qcom_nandc.c:2849:40: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] orig_cmd1 @@ got unsigned int [usertype] cmd1 @@
drivers/mtd/nand/raw/qcom_nandc.c:2849:40: sparse: expected restricted __le32 [usertype] orig_cmd1
drivers/mtd/nand/raw/qcom_nandc.c:2849:40: sparse: got unsigned int [usertype] cmd1
>> drivers/mtd/nand/raw/qcom_nandc.c:2850:39: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] orig_vld @@ got unsigned int [usertype] vld @@
drivers/mtd/nand/raw/qcom_nandc.c:2850:39: sparse: expected restricted __le32 [usertype] orig_vld
drivers/mtd/nand/raw/qcom_nandc.c:2850:39: sparse: got unsigned int [usertype] vld
vim +689 drivers/mtd/nand/raw/qcom_nandc.c
669
670 /**
671 * nandc_set_read_loc_first() - to set read location first register
672 * @reg_base: location register base
673 * @cw_offset: code word offset
674 * @read_size: code word read length
675 * @is_last_read_loc: is this the last read location
676 *
677 * This function will set location register value
678 */
679 static void nandc_set_read_loc_first(struct nand_chip *chip,
680 int reg_base, int cw_offset,
681 int read_size, int is_last_read_loc)
682 {
683 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
684 int val = (((cw_offset) << READ_LOCATION_OFFSET) |
685 ((read_size) << READ_LOCATION_SIZE) |
686 ((is_last_read_loc) << READ_LOCATION_LAST));
687
688 if (reg_base == NAND_READ_LOCATION_0)
> 689 nandc->regs->read_location0 = val;
690 else if (reg_base == NAND_READ_LOCATION_1)
> 691 nandc->regs->read_location1 = val;
692 else if (reg_base == NAND_READ_LOCATION_2)
> 693 nandc->regs->read_location2 = val;
694 else if (reg_base == NAND_READ_LOCATION_3)
> 695 nandc->regs->read_location3 = val;
696 }
697
698 /**
699 * nandc_set_read_loc_last - to set read location last register
700 * @reg_base: location register base
701 * @cw_offset: code word offset
702 * @read_size: code word read length
703 * @is_last_read_loc: is this the last read location
704 *
705 * This function will set location last register value
706 */
707 static void nandc_set_read_loc_last(struct nand_chip *chip,
708 int reg_base, int cw_offset,
709 int read_size, int is_last_read_loc)
710 {
711 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
712
713 int val = (((cw_offset) << READ_LOCATION_OFFSET) |
714 ((read_size) << READ_LOCATION_SIZE) |
715 ((is_last_read_loc) << READ_LOCATION_LAST));
716
717 if (reg_base == NAND_READ_LOCATION_LAST_CW_0)
> 718 nandc->regs->read_location_last0 = val;
719 else if (reg_base == NAND_READ_LOCATION_LAST_CW_1)
> 720 nandc->regs->read_location_last1 = val;
721 else if (reg_base == NAND_READ_LOCATION_LAST_CW_2)
> 722 nandc->regs->read_location_last2 = val;
723 else if (reg_base == NAND_READ_LOCATION_LAST_CW_3)
> 724 nandc->regs->read_location_last3 = val;
725 }
726
727 /* helper to configure location register values */
728 static void nandc_set_read_loc(struct nand_chip *chip, int cw, int reg,
729 int cw_offset, int read_size, int is_last_read_loc)
730 {
731 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
732 struct nand_ecc_ctrl *ecc = &chip->ecc;
733 int reg_base = NAND_READ_LOCATION_0;
734
735 if (nandc->props->qpic_version2 && qcom_nandc_is_last_cw(ecc, cw))
736 reg_base = NAND_READ_LOCATION_LAST_CW_0;
737
738 reg_base += reg * 4;
739
740 if (nandc->props->qpic_version2 && qcom_nandc_is_last_cw(ecc, cw))
741 return nandc_set_read_loc_last(chip, reg_base, cw_offset,
742 read_size, is_last_read_loc);
743 else
744 return nandc_set_read_loc_first(chip, reg_base, cw_offset,
745 read_size, is_last_read_loc);
746 }
747
748 /* helper to configure address register values */
749 static void set_address(struct qcom_nand_host *host, u16 column, int page)
750 {
751 struct nand_chip *chip = &host->chip;
752 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
753
754 if (chip->options & NAND_BUSWIDTH_16)
755 column >>= 1;
756
> 757 nandc->regs->addr0 = page << 16 | column;
> 758 nandc->regs->addr1 = page >> 16 & 0xff;
759 }
760
761 /*
762 * update_rw_regs: set up read/write register values, these will be
763 * written to the NAND controller registers via DMA
764 *
765 * @num_cw: number of steps for the read/write operation
766 * @read: read or write operation
767 * @cw : which code word
768 */
769 static void update_rw_regs(struct qcom_nand_host *host, int num_cw, bool read, int cw)
770 {
771 struct nand_chip *chip = &host->chip;
772 u32 cmd, cfg0, cfg1, ecc_bch_cfg;
773 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
774
775 if (read) {
776 if (host->use_ecc)
777 cmd = OP_PAGE_READ_WITH_ECC | PAGE_ACC | LAST_PAGE;
778 else
779 cmd = OP_PAGE_READ | PAGE_ACC | LAST_PAGE;
780 } else {
781 cmd = OP_PROGRAM_PAGE | PAGE_ACC | LAST_PAGE;
782 }
783
784 if (host->use_ecc) {
785 cfg0 = (host->cfg0 & ~(7U << CW_PER_PAGE)) |
786 (num_cw - 1) << CW_PER_PAGE;
787
788 cfg1 = host->cfg1;
789 ecc_bch_cfg = host->ecc_bch_cfg;
790 } else {
791 cfg0 = (host->cfg0_raw & ~(7U << CW_PER_PAGE)) |
792 (num_cw - 1) << CW_PER_PAGE;
793
794 cfg1 = host->cfg1_raw;
795 ecc_bch_cfg = 1 << ECC_CFG_ECC_DISABLE;
796 }
797
> 798 nandc->regs->cmd = cmd;
> 799 nandc->regs->cfg0 = cfg0;
> 800 nandc->regs->cfg1 = cfg1;
> 801 nandc->regs->ecc_bch_cfg = ecc_bch_cfg;
802
803 if (!nandc->props->qpic_version2)
> 804 nandc->regs->ecc_buf_cfg = host->ecc_buf_cfg;
805
> 806 nandc->regs->clrflashstatus = host->clrflashstatus;
> 807 nandc->regs->clrreadstatus = host->clrreadstatus;
> 808 nandc->regs->exec = 1;
809
810 if (read)
811 nandc_set_read_loc(chip, cw, 0, 0, host->use_ecc ?
812 host->cw_data : host->cw_size, 1);
813 }
814
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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