> -Original Message-
> From: Randy Dunlap [mailto:rdun...@infradead.org]
> Sent: Monday, May 07, 2018 2:50 AM
> To: linux-bl...@vger.kernel.org; axboe
> Cc: LKML ; Caizhiyong
> ; Andrew Morton ;
> linux-...@vger.kernel.org; Jonathan Corbet
> Subject: [PATCH] Docum
> /*
> * Purpose: allocate cmdline partitions.
> * Returns:
> @@ -93,6 +158,7 @@ int cmdline_partition(struct parsed_partitions *state)
> disk_size = get_capacity(state->bdev->bd_disk) << 9;
>
> cmdline_parts_set(parts, disk_size, 1, add_part, (void *)state);
> + cmdline_parts
> -Original Message-
> From: Wang YanQing [mailto:udkni...@gmail.com]
> Sent: Thursday, May 03, 2018 7:18 PM
> To: ax...@kernel.dk
> Cc: gre...@linuxfoundation.org; pombreda...@nexb.com;
> t...@linutronix.de; Caizhiyong ; linux-
> bl...@vger.kernel.org; linux-k
From: Cai Zhiyong
Date: Sat, 14 May 2016 14:13:30 +0800
Subject: [PATCH] devfreq: fix double call put_device
1295 */
1296 void device_unregister(struct device *dev)
1297 {
1298 pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
1299 device_del(dev);
1300 put_device(
From: Cai Zhiyong
Date: Sat, 14 May 2016 14:13:30 +0800
Subject: [PATCH] devfreq: fix double call put_device
1295 */
1296 void device_unregister(struct device *dev)
1297 {
1298 pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
1299 device_del(dev);
1300 put_device(
> > Interestingly, this feature appears to already be documented in
> > Documentation/block/cmdline-partition.txt. I wonder how that happened.
> > Maybe we used to do this but it got taken away?
This documentation talk about the partition name usages,
my patch support get partition name from and
y, September 28, 2015 5:51 PM
> To: Jens Axboe
> Cc: Caizhiyong; linux-kernel@vger.kernel.org; Shawn Lin
> Subject: [RESEND PATCH] block: cmdline-parser: add support for hidden disk
> space
>
> cmdline-partition now only support continuous disk space taken from
> cmdline.
>[SCSI] Fix out of spec CD-ROM problem with media change
>
>Some CD-ROMs fail to report a media change correctly. The specific
>one for this patch simply fails to respond to commands, then gives a
>UNIT ATTENTION after being reset which returns ASC/ASCQ 28/00. This
>is out of
> -Original Message-
> From: Brian Norris [mailto:computersforpe...@gmail.com]
> Sent: Sunday, January 12, 2014 4:10 AM
> To: Huang Shijie; Caizhiyong
> Cc: linux-...@lists.infradead.org; Wanglin (Albert); David Woodhouse;
> linux-kernel@vger.kernel.org; Artem Bityut
From: Cai Zhiyong
Date: Fri, 27 Dec 2013 20:23:09 +0800
Subject: [PATCH] mtd: nand: remove NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE
remove NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE, dynamic allocate
NAND buffer after detecting NAND writesize and oobsize.
- save memory. when use MACRO allocate static
From: Cai Zhiyong
Date: Fri, 27 Dec 2013 20:23:09 +0800
Subject: [PATCH] mtd: nand: remove NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE
remove NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE, dynamic allocate
NAND buffer after detecting NAND writesize and oobsize.
- save memory. when use MACRO allocate static
From: Cai Zhiyong
Date: Wed, 25 Dec 2013 21:19:21 +0800
Subject: [PATCH] mtd: nand: assign mtd->name in find_full_id_nand
This patch assigned the type->name to mtd->name when mtd->name is
NULL in function "find_full_id_nand".
mtd->name is NULL may cause some problem.
Signed-off-by: Cai Zhiyong
From: Cai Zhiyong
Date: Wed, 25 Dec 2013 20:11:15 +0800
Subject: [PATCH] mtd: nand: remove unused function input parameter
The nand_get_flash_type parameter "busw" input value is not used by any
branch, and it is updated before use it in the function, so remove it,
define the "busw" as an intern
> -Original Message-
> From: Huang Shijie [mailto:b32...@freescale.com]
> Sent: Monday, December 16, 2013 11:07 AM
> To: Caizhiyong
> Cc: Huang Shijie; Brian Norris; David Woodhouse; Quyaxin;
> linux-kernel@vger.kernel.org; linux-...@lists.infradead.org; Artem Bityutskiy;
> >
> > There are a lot of 16K page size NAND, they are used in android system.
> >
> > Many NAND need read retry and data randomization, kernel does not support
> > this
> feature.
> Brian is adding the read-retry feature.
>
> I think the data randomization should be done by the hardware.
> If w
> On Fri, Dec 13, 2013 at 05:03:49AM +0000, Caizhiyong wrote:
> > From: Cai Zhiyong
> > Date: Fri, 13 Dec 2013 12:52:46 +0800
> > Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize
> > NAND.
> >
> > The Toshiba's TC58TEG5DCJTA pag
From: Cai Zhiyong
Date: Fri, 13 Dec 2013 12:52:46 +0800
Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND.
The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes.
So increase the NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE.
Signed-off-by: Cai Zhiyong
---
inc
From: Cai Zhiyong
Date: Fri, 13 Dec 2013 12:52:46 +0800
Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND.
The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes.
So increase the NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE.
Signed-off-by: Huang Shijie
Signed-
From: Cai Zhiyong
Date: Mon, 18 Nov 2013 20:21:49 +0800
Subject: [PATCH] regmap: Fix 'ret' would return an uninitialized value
This patch give a warning when calling regmap_register_patch with
parameter num_regs <= 0.
When the num_regs parameter is zero and krealloc doesn't fail,
then the code w
From: Cai Zhiyong
Date: Mon, 11 Nov 2013 19:26:14 +0800
Subject: [PATCH] regmap: Fix 'ret' would return an uninitialized value
This patch give a warning when calling regmap_register_patch with
parameter num_regs <= 0.
When the num_regs parameter is zero and krealloc doesn't fail,
then the code w
From: Cai Zhiyong
Date: Tue, 12 Nov 2013 15:50:42 +0800
Subject: [PATCH] block: cmdline-parser: perfect cmdline format checking
-Fix compile warning with value and function undeclared.
this reported by and
Randy Dunlap
-perfect cmdline format checking, make the error information clear
From: Cai Zhiyong
Date: Mon, 11 Nov 2013 19:26:14 +0800
Subject: [PATCH] regmap: Fix 'ret' would return an uninitialized value
- Fix 'ret' would return an uninitialized value.
- Add a warning avoid invalid 'num_regs' value passed in.
When the num_regs parameter is zero and krealloc doesn't fai
> On Sat, Nov 09, 2013 at 11:43:06AM +0000, Caizhiyong wrote:
> > From: Cai Zhiyong
> > Date: Sat, 9 Nov 2013 17:54:12 +0800
> >
> > @@ -143,5 +149,5 @@ MODULE_PARM_DESC(mtdparts, "Partitioning
> > specification");
> > module_param(
From: Cai Zhiyong
Date: Sat, 9 Nov 2013 19:27:38 +0800
Subject: [PATCH] block: cmdline-parser: perfect cmdline format checking
-Fix compile warning with value and function undeclared.
this reported by and
Randy Dunlap
-perfect cmdline format checking, make the error information clear
f
From: Cai Zhiyong
Date: Sat, 9 Nov 2013 17:54:12 +0800
Subject: [PATCH 2/2] mtd: cmdlinepart: support master name is not set when
parser partition
-Fix compile warning with value and function undeclared.
this reported by and
Randy Dunlap
-support master name is not set when parser parti
From: Cai Zhiyong
Date: Sat, 9 Nov 2013 14:14:36 +0800
Subject: [PATCH] regmap: Fix compile warning with value uninitialized
Fix compile warning with value uninitialized:
drivers/base/regmap/regmap.c:2173: warning: 'ret' may be used uninitialized in
this function
Signed-off-by: Cai Zhiyong
---
> Such results was never posted and unless we see those, I think
> I'd rather NACK this patch instead. I like the cleanup, but only
> if it's guaranteed to _not_ brake things, specially when dealing
> with a kernel parameter.
Do you have some test case or test standard for me perform.
> --
> Ezeq
> Nobody has had time to test this on MTD, it seems, and as such, I
> strongly recommend you do not force it through -mm. We are perfectly
> capable of merging it through the MTD tree if it ever gets proper
> vetting by people in MTD (not just on block devices), and I am well
> aware of this patch
>> For further information, see "https://lkml.org/lkml/2013/8/6/550";
>
> Thanks for doing this. Could we please get some acked-by's or,
> preferably, tested-by's from the MTD people?
Acked-by: Ezequiel Garcia
Acked-by: Andrew Morton
--
To unsubscribe from this list: send the line "unsubscrib
>
> I'd like to review the patch in detail and test it, but being a bit old,
> the patch doesn't apply as it is on v3.12-rc5. Care to resend an update?
>
I have sent you a 2 patch base on v3.12-rc6. Are there any problems? I tested
it for a long time and found no problems.
Are there any plan
From: CaiZhiyong
Subject: mtd: cmdlinepart: use cmdline partition parser lib
In the previous version, adjust the cmdline parser code to library-style
code, and move it to a separate file "block/cmdline-parser.c", we can use
it in some client code. there is no any functionality cha
From: CaiZhiyong
Subject: block: remove unrelated header files and export symbol
This patch fix up the following items:
- remove unrelated header files.
- export interface function.
- modify function cmdline_parts_parse return value, this will make
it more friendly for the caller.
Signed
> I saw this patch appear in kernel v3.12-rc1, and it's nice since it's exactly
> what we need. So needed that we proposed it in 2010:
> http://marc.info/?l=linux-kernel&m=127425650923757&w=2
> http://marc.info/?l=linux-kernel&m=127599718024364&w=2
>
> Is this patch inspired by Ulfs patch? (I ca
> -Original Message-
> From: Wei Yongjun [mailto:weiyj...@gmail.com]
> Sent: Friday, August 23, 2013 10:48 AM
> To: ax...@kernel.dk; a...@linux-foundation.org; Caizhiyong; k...@redhat.com;
> m...@sysgo.de; dw...@infradead.org; computersforpe...@gmail.com;
> dedek...@
> From: Wei Yongjun [mailto:weiyj...@gmail.com]
> Sent: Friday, August 23, 2013 10:48 AM
> To: ax...@kernel.dk; a...@linux-foundation.org; Caizhiyong; k...@redhat.com;
> m...@sysgo.de; dw...@infradead.org; computersforpe...@gmail.com;
> dedek...@infradead.org
> Cc: yongjun_...
> On 08/15/2013 08:54 PM, Caizhiyong wrote:
> >>> +blkdevparts=[;]
> >>> + := :[,]
> >>> + := [@](part-name)
> >>> +
> >>> +
> >>> +block device disk name, embedded device used fixed block device,
&g
> > +blkdevparts=[;]
> > + := :[,]
> > + := [@](part-name)
> > +
> > +
> > +block device disk name, embedded device used fixed block device,
> > +it's disk name also fixed. such as: mmcblk0, mmcblk1, mmcblk0boot0.
>
> The device-name isn't always fixed.
>
> For example, what if ther
From: Cai Zhiyong
MTD cmdline partition use cmdline partition parser lib
reference: https://lkml.org/lkml/2013/8/6/550
Signed-off-by: Cai ZhiYong
---
Documentation/block/cmdline-partition.txt | 93 +---
block/cmdline-parser.c| 16 +-
drivers/mtd/Kconfig
From: Cai Zhiyong
MTD cmdline partition use cmdline partition parser lib
reference: https://lkml.org/lkml/2013/8/6/550
Signed-off-by: Cai ZhiYong
---
Documentation/block/cmdline-partition.txt | 93 +---
block/cmdline-parser.c| 6 +-
drivers/mtd/Kconfig
> -Original Message-
> From: Brian Norris [mailto:computersforpe...@gmail.com]
> Sent: Thursday, August 15, 2013 3:10 PM
> To: Caizhiyong
> Cc: Andrew Morton; Karel Zak; linux-...@lists.infradead.org;
> linux-kernel@vger.kernel.org; Wanglin (Albert); Artem Bityutskiy;
> -Original Message-
> From: Brian Norris [mailto:computersforpe...@gmail.com]
> Sent: Thursday, August 15, 2013 1:00 PM
> To: Caizhiyong
> Cc: Andrew Morton; Karel Zak; linux-...@lists.infradead.org;
> linux-kernel@vger.kernel.org; Wanglin (Albert); Artem Bityutskiy;
> -Original Message-
> From: Brian Norris [mailto:computersforpe...@gmail.com]
> Sent: Thursday, August 15, 2013 8:12 AM
> To: Andrew Morton
> Cc: Caizhiyong; Karel Zak; linux-...@lists.infradead.org;
> linux-kernel@vger.kernel.org; Wanglin (Albert); Artem Bityutskiy;
From: Cai Zhiyong
move the command line parser to a separate module, and change it into
library-style code.
reference: https://lkml.org/lkml/2013/8/6/550
Signed-off-by: Cai Zhiyong
---
block/Kconfig | 6 +
block/Makefile | 1 +
block/cmdline-parser.c
> -Original Message-
> From: Andrew Morton [mailto:a...@linux-foundation.org]
> Sent: Tuesday, August 06, 2013 6:22 AM
> To: Caizhiyong
> Cc: Karel Zak; linux-kernel@vger.kernel.org; Wanglin (Albert); Quyaxin; Jens
> Axboe;
> David Woodhouse; Marius Groeger
> Su
From: Cai Zhiyong
Read block device partition table from command line.
The partition used for fixed block device (eMMC) embedded device.
It is no MBR, save storage space. Bootloader can be easily accessed by
absolute address of data on the block device.
Users can easily change the partition.
Thi
> From: Karel Zak [mailto:k...@redhat.com]
> Sent: Wednesday, July 31, 2013 9:25 PM
> To: Caizhiyong
> Cc: Andrew Morton; linux-kernel@vger.kernel.org; Wanglin (Albert); Quyaxin
> Subject: Re: [PATCH] block: support embedded device command line partition
>
> On Sat, Jul 2
From: Cai Zhiyong
Read block device partition table from command line. This partition used for
fixed block device (eMMC) embedded device.
It no MBR, can save storage space. Bootloader can be easily accessed by
absolute address of data on the block device. It support partition name,
provides pa
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