AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/mtd/spi-nor
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Allen Xu 4e898ce7d9 mtd: fsl-quadspi: improve read performance by increase AHB transfer size 
Set AHB transfer size to 1K which improved the read performance.

Add ahb_buf_size field in fsl_qspi_devtype_data to denote the size for
different SoC.

Before:

root@imx6qdlsolo:~# dd if=/dev/mtd1 of=/dev/null bs=1M count=16
16+0 records in
16+0 records out
16777216 bytes (17 MB) copied, 0.472183 s, 25.1 MB/s

After:

root@imx6qdlsolo:~# dd if=/dev/mtd1 of=/dev/null bs=1M count=16
16+0 records in
16+0 records out
16777216 bytes (17 MB) copied, 0.369439 s, 29.5 MB/s

Signed-off-by: Allen Xu <b45815@freescale.com>
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Acked-by: Huang Shijie <shijie.huang@intel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-02-05 20:01:08 -08:00
..
fsl-quadspi.c mtd: fsl-quadspi: improve read performance by increase AHB transfer size 2015-02-05 20:01:08 -08:00
Kconfig mtd: spi-nor: add Kconfig option to disable 4K sectors 2014-09-28 14:14:52 -07:00
Makefile mtd: spi-nor: shorten Kconfig naming 2014-04-14 11:23:01 -07:00
spi-nor.c mtd: spi-nor: support for (GigaDevice) GD25Q128B 2015-01-20 12:24:43 -08:00