Re: [v7 1/2] mtd: rawnand: Add new Cadence NAND driver to MTD subsystem (fwd)

2019-09-25 Thread Piotr Sroka

Hi Miquel

Sure I will do it this week.

Thanks
Piotr

The 09/25/2019 10:17, Miquel Raynal wrote:

EXTERNAL MAIL


Hi Piotr,

Can you fix the below issue reported by Julia? Either convert the
structure parameter to a signed parameter or use an intermediate
variable.

Thanks,
Miquèl

Julia Lawall  wrote on Wed, 18 Sep 2019 21:04:37
+0200 (CEST):


-- Forwarded message --
Date: Wed, 18 Sep 2019 23:17:29 +0800
From: kbuild test robot 
To: kbu...@01.org
Cc: Julia Lawall 
Subject: Re: [v7 1/2] mtd: rawnand: Add new Cadence NAND driver to MTD subsystem

CC: kbuild-...@01.org
In-Reply-To: <20190918123115.30510-1-pio...@cadence.com>
References: <20190918123115.30510-1-pio...@cadence.com>
TO: Piotr Sroka 
CC: Kazuhiro Kasai , Piotr Sroka , Miquel Raynal , Richard Weinberger , David Woodhouse 
, Brian Norris , Marek Vasut , Vignesh Raghavendra , Mauro Carvalho Chehab , 
"David S. Miller" , Greg Kroah-Hartman , Linus Walleij , Nicolas Ferre , "Paul E. 
McKenney" , Boris Brezillon , Thomas Gleixner , Paul Cercueil , Arnd Bergmann , 
Marcel Ziswiler , Liang Yang , Anders Roxell , linux-kernel@vger.kernel.org, linux-...@lists.infradead.org

Hi Piotr,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3 next-20190917]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_0day-2Dci_linux_commits_Piotr-2DSroka_mtd-2Drawnand-2DAdd-2Dnew-2DCadence-2DNAND-2Ddriver-2Dto-2DMTD-2Dsubsystem_20190918-2D204505&d=DwIFaQ&c=aUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ-_haXqY&r=TGZtNfZu5Cjhu2K8A0Qhsot4HlKpSJ0Xmyc_L8hPwSI&m=mgwNQ1SA26JWmty5PuDLavsJlIOFJvmPqnwJa6yPWMA&s=NawctdULcP90SHk2dQOe0pKiQerhjWFPA6n5lT8EFxY&e=
:: branch date: 3 hours ago
:: commit date: 3 hours ago

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 
Reported-by: Julia Lawall 

>> drivers/mtd/nand/raw/cadence-nand-controller.c:2644:5-28: WARNING: Unsigned 
expression compared with zero: cdns_chip -> corr_str_idx < 0

# 
https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_0day-2Dci_linux_commit_3235ae79d58b8d95b44d5d3773f59065f04d4f00&d=DwIFaQ&c=aUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ-_haXqY&r=TGZtNfZu5Cjhu2K8A0Qhsot4HlKpSJ0Xmyc_L8hPwSI&m=mgwNQ1SA26JWmty5PuDLavsJlIOFJvmPqnwJa6yPWMA&s=Mx7SXvJoMz9s4OjGbntC5eTU-djHxf6cpfehouD_uFI&e=
git remote add linux-review 
https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_0day-2Dci_linux&d=DwIFaQ&c=aUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ-_haXqY&r=TGZtNfZu5Cjhu2K8A0Qhsot4HlKpSJ0Xmyc_L8hPwSI&m=mgwNQ1SA26JWmty5PuDLavsJlIOFJvmPqnwJa6yPWMA&s=aKS20tAkXcvBbq1SBp9yJSghFIfIuFqSNAL_Fq5uCI4&e=
git remote update linux-review
git checkout 3235ae79d58b8d95b44d5d3773f59065f04d4f00
vim +2644 drivers/mtd/nand/raw/cadence-nand-controller.c

3235ae79d58b8d Piotr Sroka 2019-09-18  2584
3235ae79d58b8d Piotr Sroka 2019-09-18  2585  int 
cadence_nand_attach_chip(struct nand_chip *chip)
3235ae79d58b8d Piotr Sroka 2019-09-18  2586  {
3235ae79d58b8d Piotr Sroka 2019-09-18  2587 struct cdns_nand_ctrl *cdns_ctrl = 
to_cdns_nand_ctrl(chip->controller);
3235ae79d58b8d Piotr Sroka 2019-09-18  2588 struct cdns_nand_chip 
*cdns_chip = to_cdns_nand_chip(chip);
3235ae79d58b8d Piotr Sroka 2019-09-18  2589 u32 ecc_size = 
cdns_chip->sector_count * chip->ecc.bytes;
3235ae79d58b8d Piotr Sroka 2019-09-18  2590 struct mtd_info *mtd = 
nand_to_mtd(chip);
3235ae79d58b8d Piotr Sroka 2019-09-18  2591 u32 max_oob_data_size;
3235ae79d58b8d Piotr Sroka 2019-09-18  2592 int ret;
3235ae79d58b8d Piotr Sroka 2019-09-18  2593
3235ae79d58b8d Piotr Sroka 2019-09-18  2594 if (chip->options & 
NAND_BUSWIDTH_16) {
3235ae79d58b8d Piotr Sroka 2019-09-18  2595 ret = 
cadence_nand_set_access_width16(cdns_ctrl, true);
3235ae79d58b8d Piotr Sroka 2019-09-18  2596 if (ret)
3235ae79d58b8d Piotr Sroka 2019-09-18  2597 goto free_buf;
3235ae79d58b8d Piotr Sroka 2019-09-18  2598 }
3235ae79d58b8d Piotr Sroka 2019-09-18  2599
3235ae79d58b8d Piotr Sroka 2019-09-18  2600 chip->bbt_options |= 
NAND_BBT_USE_FLASH;
3235ae79d58b8d Piotr Sroka 2019-09-18  2601 chip->bbt_options |= 
NAND_BBT_NO_OOB;
3235ae79d58b8d Piotr Sroka 2019-09-18  2602 chip->ecc.mode = NAND_ECC_HW;
3235ae79d58b8d Piotr Sroka 2019-09-18  2603
3235ae79d58b8d Piotr Sroka 2019-09-18  2604 chip->options |= 
NAND_NO_SUBPAGE_WRITE;
3235ae79d58b8d Piotr Sroka 2019-09-18  2605
3235ae79d58b8d Piotr Sroka 2019-09-18  2606 cdns_chip->bbm_offs = 
chip->badblockpos;
3235ae79d58b8d Piotr Sroka 2019-09-18  2607 if (chip->options & 
NAND_BUSWIDTH_16) {
3235ae79d58b8d Piotr Sroka 2019-09-18  2608 cdns_chip->bbm_offs &= 
~0x01;
3235ae79d58b8d Piotr Sroka 2019-09-18  2609 cdns_chip->bbm_len = 2;
3235ae79d58b8d Piotr Sroka 2019-09-18  2610 } else {
3235ae79d58b8d Piotr Sroka 2019-09-18  261

Re: [v7 1/2] mtd: rawnand: Add new Cadence NAND driver to MTD subsystem (fwd)

2019-09-25 Thread Miquel Raynal
Hi Piotr,

Can you fix the below issue reported by Julia? Either convert the
structure parameter to a signed parameter or use an intermediate
variable.

Thanks,
Miquèl

Julia Lawall  wrote on Wed, 18 Sep 2019 21:04:37
+0200 (CEST):

> -- Forwarded message --
> Date: Wed, 18 Sep 2019 23:17:29 +0800
> From: kbuild test robot 
> To: kbu...@01.org
> Cc: Julia Lawall 
> Subject: Re: [v7 1/2] mtd: rawnand: Add new Cadence NAND driver to MTD 
> subsystem
> 
> CC: kbuild-...@01.org
> In-Reply-To: <20190918123115.30510-1-pio...@cadence.com>
> References: <20190918123115.30510-1-pio...@cadence.com>
> TO: Piotr Sroka 
> CC: Kazuhiro Kasai , Piotr Sroka 
> , Miquel Raynal , Richard 
> Weinberger , David Woodhouse , Brian 
> Norris , Marek Vasut , 
> Vignesh Raghavendra , Mauro Carvalho Chehab 
> , "David S. Miller" , Greg 
> Kroah-Hartman , Linus Walleij 
> , Nicolas Ferre , 
> "Paul E. McKenney" , Boris Brezillon 
> , Thomas Gleixner , Paul 
> Cercueil , Arnd Bergmann , Marcel 
> Ziswiler , Liang Yang , 
> Anders Roxell , linux-kernel@vger.kernel.org, 
> linux-...@lists.infradead.org
> 
> Hi Piotr,
> 
> I love your patch! Perhaps something to improve:
> 
> [auto build test WARNING on linus/master]
> [cannot apply to v5.3 next-20190917]
> [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/Piotr-Sroka/mtd-rawnand-Add-new-Cadence-NAND-driver-to-MTD-subsystem/20190918-204505
> :: branch date: 3 hours ago
> :: commit date: 3 hours ago
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot 
> Reported-by: Julia Lawall 
> 
> >> drivers/mtd/nand/raw/cadence-nand-controller.c:2644:5-28: WARNING: 
> >> Unsigned expression compared with zero: cdns_chip -> corr_str_idx < 0  
> 
> # 
> https://github.com/0day-ci/linux/commit/3235ae79d58b8d95b44d5d3773f59065f04d4f00
> git remote add linux-review https://github.com/0day-ci/linux
> git remote update linux-review
> git checkout 3235ae79d58b8d95b44d5d3773f59065f04d4f00
> vim +2644 drivers/mtd/nand/raw/cadence-nand-controller.c
> 
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2584
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2585  int 
> cadence_nand_attach_chip(struct nand_chip *chip)
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2586  {
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2587   struct cdns_nand_ctrl 
> *cdns_ctrl = to_cdns_nand_ctrl(chip->controller);
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2588   struct cdns_nand_chip 
> *cdns_chip = to_cdns_nand_chip(chip);
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2589   u32 ecc_size = 
> cdns_chip->sector_count * chip->ecc.bytes;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2590   struct mtd_info *mtd = 
> nand_to_mtd(chip);
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2591   u32 max_oob_data_size;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2592   int ret;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2593
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2594   if (chip->options & 
> NAND_BUSWIDTH_16) {
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2595   ret = 
> cadence_nand_set_access_width16(cdns_ctrl, true);
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2596   if (ret)
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2597   goto free_buf;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2598   }
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2599
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2600   chip->bbt_options |= 
> NAND_BBT_USE_FLASH;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2601   chip->bbt_options |= 
> NAND_BBT_NO_OOB;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2602   chip->ecc.mode = NAND_ECC_HW;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2603
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2604   chip->options |= 
> NAND_NO_SUBPAGE_WRITE;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2605
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2606   cdns_chip->bbm_offs = 
> chip->badblockpos;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2607   if (chip->options & 
> NAND_BUSWIDTH_16) {
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2608   cdns_chip->bbm_offs &= 
> ~0x01;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2609   cdns_chip->bbm_len = 2;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2610   } else {
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2611   cdns_chip->bbm_len = 1;
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2612   }
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2613
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2614   ret = nand_ecc_choose_conf(chip,
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2615  
> &cdns_ctrl->ecc_caps,
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2616  
> mtd->oobsize - cdns_chip->bbm_len);
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2617   if (ret) {
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2618   dev_err(cdns_ctrl->dev, 
> "ECC configuration failed\n");
> 3235ae79d58b8d Piotr Sroka 2019-09-18  2619   goto free_buf;
> 3235ae79d58b8d Piotr Sroka 20

Re: [v7 1/2] mtd: rawnand: Add new Cadence NAND driver to MTD subsystem (fwd)

2019-09-18 Thread Julia Lawall



-- Forwarded message --
Date: Wed, 18 Sep 2019 23:17:29 +0800
From: kbuild test robot 
To: kbu...@01.org
Cc: Julia Lawall 
Subject: Re: [v7 1/2] mtd: rawnand: Add new Cadence NAND driver to MTD subsystem

CC: kbuild-...@01.org
In-Reply-To: <20190918123115.30510-1-pio...@cadence.com>
References: <20190918123115.30510-1-pio...@cadence.com>
TO: Piotr Sroka 
CC: Kazuhiro Kasai , Piotr Sroka 
, Miquel Raynal , Richard 
Weinberger , David Woodhouse , Brian 
Norris , Marek Vasut , 
Vignesh Raghavendra , Mauro Carvalho Chehab 
, "David S. Miller" , Greg 
Kroah-Hartman , Linus Walleij 
, Nicolas Ferre , "Paul 
E. McKenney" , Boris Brezillon 
, Thomas Gleixner , Paul 
Cercueil , Arnd Bergmann , Marcel Ziswiler 
, Liang Yang , Anders 
Roxell , linux-kernel@vger.kernel.org, 
linux-...@lists.infradead.org

Hi Piotr,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3 next-20190917]
[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/Piotr-Sroka/mtd-rawnand-Add-new-Cadence-NAND-driver-to-MTD-subsystem/20190918-204505
:: branch date: 3 hours ago
:: commit date: 3 hours ago

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 
Reported-by: Julia Lawall 

>> drivers/mtd/nand/raw/cadence-nand-controller.c:2644:5-28: WARNING: Unsigned 
>> expression compared with zero: cdns_chip -> corr_str_idx < 0

# 
https://github.com/0day-ci/linux/commit/3235ae79d58b8d95b44d5d3773f59065f04d4f00
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 3235ae79d58b8d95b44d5d3773f59065f04d4f00
vim +2644 drivers/mtd/nand/raw/cadence-nand-controller.c

3235ae79d58b8d Piotr Sroka 2019-09-18  2584
3235ae79d58b8d Piotr Sroka 2019-09-18  2585  int 
cadence_nand_attach_chip(struct nand_chip *chip)
3235ae79d58b8d Piotr Sroka 2019-09-18  2586  {
3235ae79d58b8d Piotr Sroka 2019-09-18  2587 struct cdns_nand_ctrl 
*cdns_ctrl = to_cdns_nand_ctrl(chip->controller);
3235ae79d58b8d Piotr Sroka 2019-09-18  2588 struct cdns_nand_chip 
*cdns_chip = to_cdns_nand_chip(chip);
3235ae79d58b8d Piotr Sroka 2019-09-18  2589 u32 ecc_size = 
cdns_chip->sector_count * chip->ecc.bytes;
3235ae79d58b8d Piotr Sroka 2019-09-18  2590 struct mtd_info *mtd = 
nand_to_mtd(chip);
3235ae79d58b8d Piotr Sroka 2019-09-18  2591 u32 max_oob_data_size;
3235ae79d58b8d Piotr Sroka 2019-09-18  2592 int ret;
3235ae79d58b8d Piotr Sroka 2019-09-18  2593
3235ae79d58b8d Piotr Sroka 2019-09-18  2594 if (chip->options & 
NAND_BUSWIDTH_16) {
3235ae79d58b8d Piotr Sroka 2019-09-18  2595 ret = 
cadence_nand_set_access_width16(cdns_ctrl, true);
3235ae79d58b8d Piotr Sroka 2019-09-18  2596 if (ret)
3235ae79d58b8d Piotr Sroka 2019-09-18  2597 goto free_buf;
3235ae79d58b8d Piotr Sroka 2019-09-18  2598 }
3235ae79d58b8d Piotr Sroka 2019-09-18  2599
3235ae79d58b8d Piotr Sroka 2019-09-18  2600 chip->bbt_options |= 
NAND_BBT_USE_FLASH;
3235ae79d58b8d Piotr Sroka 2019-09-18  2601 chip->bbt_options |= 
NAND_BBT_NO_OOB;
3235ae79d58b8d Piotr Sroka 2019-09-18  2602 chip->ecc.mode = NAND_ECC_HW;
3235ae79d58b8d Piotr Sroka 2019-09-18  2603
3235ae79d58b8d Piotr Sroka 2019-09-18  2604 chip->options |= 
NAND_NO_SUBPAGE_WRITE;
3235ae79d58b8d Piotr Sroka 2019-09-18  2605
3235ae79d58b8d Piotr Sroka 2019-09-18  2606 cdns_chip->bbm_offs = 
chip->badblockpos;
3235ae79d58b8d Piotr Sroka 2019-09-18  2607 if (chip->options & 
NAND_BUSWIDTH_16) {
3235ae79d58b8d Piotr Sroka 2019-09-18  2608 cdns_chip->bbm_offs &= 
~0x01;
3235ae79d58b8d Piotr Sroka 2019-09-18  2609 cdns_chip->bbm_len = 2;
3235ae79d58b8d Piotr Sroka 2019-09-18  2610 } else {
3235ae79d58b8d Piotr Sroka 2019-09-18  2611 cdns_chip->bbm_len = 1;
3235ae79d58b8d Piotr Sroka 2019-09-18  2612 }
3235ae79d58b8d Piotr Sroka 2019-09-18  2613
3235ae79d58b8d Piotr Sroka 2019-09-18  2614 ret = nand_ecc_choose_conf(chip,
3235ae79d58b8d Piotr Sroka 2019-09-18  2615
&cdns_ctrl->ecc_caps,
3235ae79d58b8d Piotr Sroka 2019-09-18  2616
mtd->oobsize - cdns_chip->bbm_len);
3235ae79d58b8d Piotr Sroka 2019-09-18  2617 if (ret) {
3235ae79d58b8d Piotr Sroka 2019-09-18  2618 dev_err(cdns_ctrl->dev, 
"ECC configuration failed\n");
3235ae79d58b8d Piotr Sroka 2019-09-18  2619 goto free_buf;
3235ae79d58b8d Piotr Sroka 2019-09-18  2620 }
3235ae79d58b8d Piotr Sroka 2019-09-18  2621
3235ae79d58b8d Piotr Sroka 2019-09-18  2622 dev_dbg(cdns_ctrl->dev,
3235ae79d58b8d Piotr Sroka 2019-09-18  2623 "chosen ECC settings: 
step=%d, strength=%d, bytes=%d\n",
3235ae79d58b8d Piotr Sroka 2019-09-18  2624 chip->ecc.size, 
chip->ecc.strength, chip->ecc.bytes);
3235ae79d58b8d Piotr Sroka 2019