linux-kernel - Re: [PATCH v3] mtd: rawnand: davinci: Reduce polling interval in NAND_OP_WAITRDY

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Message-Id: <173636090079.2572698.13439803731709911552.b4-ty@bootlin.com>
Date: Wed, 08 Jan 2025 19:28:20 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Richard Weinberger <richard@....at>, 
 Vignesh Raghavendra <vigneshr@...com>, 
 Bastien Curutchet <bastien.curutchet@...tlin.com>
Cc: linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Herve Codina <herve.codina@...tlin.com>, 
 Christopher Cordahi <christophercordahi@...ometrics.ca>
Subject: Re: [PATCH v3] mtd: rawnand: davinci: Reduce polling interval in
 NAND_OP_WAITRDY_INSTR

On Fri, 03 Jan 2025 09:13:49 +0100, Bastien Curutchet wrote:
> For each NAND_OP_WAITRDY_INSTR operation, the NANDFSR register is
> polled only once every 100 us to check for the EMA_WAIT pin. This
> isn't frequent enough and causes delays in NAND accesses.
> 
> Set the polling interval to 5 us. It increases the page read speed
> reported by flash_speed by ~30% (~10% on page writes).
> 
> [...]

Applied to nand/next, thanks!

[1/1] mtd: rawnand: davinci: Reduce polling interval in NAND_OP_WAITRDY_INSTR
      commit: 6df2d9553e168fe32dd49873dd254a63ca913307

Patche(s) will be available within hours on:
mtd/linux.git

Kind regards,
Miquèl