Messages in this thread | | | From | Tudor Ambarus <> | Subject | Re: [PATCH] mtd: revert "spi-nor: intel: provide a range for poll_timout" | Date | Tue, 28 Jul 2020 12:55:58 +0300 |
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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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