Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Miquel Raynal
Hi Boris, Boris Brezillon wrote on Thu, 4 Feb 2021 10:27:38 +0100: > On Thu, 4 Feb 2021 10:04:08 +0100 > Miquel Raynal wrote: > > > Hi Boris, > > > > Boris Brezillon wrote on Thu, 4 Feb > > 2021 09:59:45 +0100: > > > > > On Thu, 4 Feb 2021 14:22:21 +0530 > > > Manivannan Sadhasivam wrote

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Boris Brezillon
On Thu, 4 Feb 2021 10:04:08 +0100 Miquel Raynal wrote: > Hi Boris, > > Boris Brezillon wrote on Thu, 4 Feb > 2021 09:59:45 +0100: > > > On Thu, 4 Feb 2021 14:22:21 +0530 > > Manivannan Sadhasivam wrote: > > > > > On Thu, Feb 04, 2021 at 09:13:36AM +0100, Miquel Raynal wrote: > > > > Hi

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Miquel Raynal
Hi Boris, Boris Brezillon wrote on Thu, 4 Feb 2021 09:59:45 +0100: > On Thu, 4 Feb 2021 14:22:21 +0530 > Manivannan Sadhasivam wrote: > > > On Thu, Feb 04, 2021 at 09:13:36AM +0100, Miquel Raynal wrote: > > > Hi Manivannan, > > > > > > Manivannan Sadhasivam wrote on Wed, > > > 03 Feb 2021

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Miquel Raynal
Hi Manivannan, Manivannan Sadhasivam wrote on Thu, 4 Feb 2021 14:22:21 +0530: > On Thu, Feb 04, 2021 at 09:13:36AM +0100, Miquel Raynal wrote: > > Hi Manivannan, > > > > Manivannan Sadhasivam wrote on Wed, > > 03 Feb 2021 17:11:31 +0530: > > > > > On 3 February 2021 4:54:22 PM IST, Boris Br

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Boris Brezillon
On Thu, 4 Feb 2021 14:22:21 +0530 Manivannan Sadhasivam wrote: > On Thu, Feb 04, 2021 at 09:13:36AM +0100, Miquel Raynal wrote: > > Hi Manivannan, > > > > Manivannan Sadhasivam wrote on Wed, > > 03 Feb 2021 17:11:31 +0530: > > > > > On 3 February 2021 4:54:22 PM IST, Boris Brezillon > > >

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Manivannan Sadhasivam
On Thu, Feb 04, 2021 at 09:13:36AM +0100, Miquel Raynal wrote: > Hi Manivannan, > > Manivannan Sadhasivam wrote on Wed, > 03 Feb 2021 17:11:31 +0530: > > > On 3 February 2021 4:54:22 PM IST, Boris Brezillon > > wrote: > > >On Wed, 03 Feb 2021 16:22:42 +0530 > > >Manivannan Sadhasivam wrote: >

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-04 Thread Miquel Raynal
Hi Manivannan, Manivannan Sadhasivam wrote on Wed, 03 Feb 2021 17:11:31 +0530: > On 3 February 2021 4:54:22 PM IST, Boris Brezillon > wrote: > >On Wed, 03 Feb 2021 16:22:42 +0530 > >Manivannan Sadhasivam wrote: > > > >> On 3 February 2021 3:49:14 PM IST, Boris Brezillon > > wrote: > >>

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Manivannan Sadhasivam
On 3 February 2021 4:54:22 PM IST, Boris Brezillon wrote: >On Wed, 03 Feb 2021 16:22:42 +0530 >Manivannan Sadhasivam wrote: > >> On 3 February 2021 3:49:14 PM IST, Boris Brezillon > wrote: >> >On Wed, 03 Feb 2021 15:42:02 +0530 >> >Manivannan Sadhasivam wrote: >> > >> >> >> >> >> >> I got

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Boris Brezillon
On Wed, 03 Feb 2021 16:22:42 +0530 Manivannan Sadhasivam wrote: > On 3 February 2021 3:49:14 PM IST, Boris Brezillon > wrote: > >On Wed, 03 Feb 2021 15:42:02 +0530 > >Manivannan Sadhasivam wrote: > > > >> >> > >> >> I got more information from the vendor, Telit. The access to the > >3rd

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Manivannan Sadhasivam
On 3 February 2021 3:49:14 PM IST, Boris Brezillon wrote: >On Wed, 03 Feb 2021 15:42:02 +0530 >Manivannan Sadhasivam wrote: > >> >> >> >> I got more information from the vendor, Telit. The access to the >3rd >> >partition is protected by Trustzone and any access in non privileged >> >mode

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Boris Brezillon
On Wed, 03 Feb 2021 15:42:02 +0530 Manivannan Sadhasivam wrote: > >> > >> I got more information from the vendor, Telit. The access to the 3rd > >partition is protected by Trustzone and any access in non privileged > >mode (where Linux kernel runs) causes kernel panic and the device > >reboots

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Manivannan Sadhasivam
Hi Miquel, On 3 February 2021 3:35:22 PM IST, Miquel Raynal wrote: >Hi Manivannan, > >Manivannan Sadhasivam wrote on Wed, >03 Feb 2021 15:28:20 +0530: > >> Hi Miquel, >> >> On 2 February 2021 1:44:59 PM IST, Miquel Raynal > wrote: >> >Hi Manivannan, >> > >> >Manivannan Sadhasivam wrote on >

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Miquel Raynal
Hi Manivannan, Manivannan Sadhasivam wrote on Wed, 03 Feb 2021 15:28:20 +0530: > Hi Miquel, > > On 2 February 2021 1:44:59 PM IST, Miquel Raynal > wrote: > >Hi Manivannan, > > > >Manivannan Sadhasivam wrote on Tue, > >2 Feb 2021 09:46:14 +0530: > > > >> Hi, > >> > >> On Mon, Feb 01, 2021

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-03 Thread Manivannan Sadhasivam
Hi Miquel, On 2 February 2021 1:44:59 PM IST, Miquel Raynal wrote: >Hi Manivannan, > >Manivannan Sadhasivam wrote on Tue, >2 Feb 2021 09:46:14 +0530: > >> Hi, >> >> On Mon, Feb 01, 2021 at 03:18:24PM +0100, Miquel Raynal wrote: >> > Hi Manivannan, >> > >> > Manivannan Sadhasivam wrote on >S

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-02 Thread Miquel Raynal
Hi Manivannan, Manivannan Sadhasivam wrote on Tue, 2 Feb 2021 09:46:14 +0530: > Hi, > > On Mon, Feb 01, 2021 at 03:18:24PM +0100, Miquel Raynal wrote: > > Hi Manivannan, > > > > Manivannan Sadhasivam wrote on Sat, > > 30 Jan 2021 09:24:12 +0530: > > > > > The bbt pointer will be unavailabl

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-01 Thread Manivannan Sadhasivam
Hi, On Mon, Feb 01, 2021 at 03:18:24PM +0100, Miquel Raynal wrote: > Hi Manivannan, > > Manivannan Sadhasivam wrote on Sat, > 30 Jan 2021 09:24:12 +0530: > > > The bbt pointer will be unavailable when NAND_SKIP_BBTSCAN option is > > set for a NAND chip. The intention is to skip scanning for the

Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-02-01 Thread Miquel Raynal
Hi Manivannan, Manivannan Sadhasivam wrote on Sat, 30 Jan 2021 09:24:12 +0530: > The bbt pointer will be unavailable when NAND_SKIP_BBTSCAN option is > set for a NAND chip. The intention is to skip scanning for the bad > blocks during boot time. I don't have the same understanding: this flag sk

[PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable

2021-01-29 Thread Manivannan Sadhasivam
The bbt pointer will be unavailable when NAND_SKIP_BBTSCAN option is set for a NAND chip. The intention is to skip scanning for the bad blocks during boot time. However, the MTD core will call _block_isreserved() and _block_isbad() callbacks unconditionally for the rawnand devices due to the callba