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From: Tudor Ambarus <tudor.ambarus@microchip.com>
To: Luis Alberto Herrera <luisalberto@google.com>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
	Boris Brezillon <bbrezillon@kernel.org>,
	Richard Weinberger <richard@nod.at>,
	Tudor Ambarus <tudor.ambarus@microchip.com>,
	linux-kernel@vger.kernel.org,
	Jethro Beekman <jethro@fortanix.com>,
	linux-mtd@lists.infradead.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>
Subject: Re: [PATCH] mtd: revert "spi-nor: intel: provide a range for poll_timout"
Date: Tue, 28 Jul 2020 12:55:58 +0300	[thread overview]
Message-ID: <159592990737.214287.1329265893720399161.b4-ty@microchip.com> (raw)
In-Reply-To: <20200610224652.64336-1-luisalberto@google.com>

On Wed, 10 Jun 2020 22:46:49 +0000, Luis Alberto Herrera wrote:
> This change reverts aba3a882a178: "mtd: spi-nor: intel: provide a range
> for poll_timout". That change introduces a performance regression when
> reading sequentially from flash. Logging calls to intel_spi_read without
> this change we get:
> 
> Start MTD read
> [   20.045527] intel_spi_read(from=1800000, len=400000)
> [   20.045527] intel_spi_read(from=1800000, len=400000)
> [  282.199274] intel_spi_read(from=1c00000, len=400000)
> [  282.199274] intel_spi_read(from=1c00000, len=400000)
> [  544.351528] intel_spi_read(from=2000000, len=400000)
> [  544.351528] intel_spi_read(from=2000000, len=400000)
> End MTD read
> 
> [...]

Applied to spi-nor/next, thanks!

[1/1] mtd: revert "spi-nor: intel: provide a range for poll_timout"
      https://git.kernel.org/mtd/c/e93a977367b2

Best regards,
-- 
Tudor Ambarus <tudor.ambarus@microchip.com>

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      parent reply	other threads:[~2020-07-28  9:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-10 22:46 [PATCH] mtd: revert "spi-nor: intel: provide a range for poll_timout" Luis Alberto Herrera
2020-06-11 10:39 ` Mika Westerberg
2020-06-26 10:57 ` Tudor.Ambarus
2020-07-22 16:37 ` Alexander Sverdlin
2020-07-22 17:03   ` Tudor.Ambarus
2020-07-23  9:05     ` Alexander Sverdlin
2020-07-28  8:28       ` Tudor.Ambarus
2020-07-28  9:55 ` Tudor Ambarus [this message]

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