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32068c42a7
u-boot/drivers/spi
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Phil Edworthy 32068c42a7 spi: cadence_qspi: Fix baud rate calculation 
With the existing code, when the requested SPI clock rate is near
to the lowest that can be achieved by the hardware (max divider
of the ref clock is 32), the generated clock rate is wrong.
For example, with a 50MHz ref clock, when asked for anything less
than a 1.5MHz SPI clock, the code sets up the divider to generate
25MHz.

This change fixes the calculation.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
2016-12-15 16:57:27 +01:00
..
altera_spi.c altera_spi: change ioremap to map_physmem 2015-11-18 21:18:30 +08:00
armada100_spi.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ath79_spi.c ath79: spi: Remove the explicit pinctrl setting 2016-05-21 01:36:37 +02:00
atmel_dataflash_spi.c spi: atmel_dataflash: Simplify AT91F_SpiEnable implementation 2014-03-17 21:54:57 +05:30
atmel_spi.c dm: at91: Add driver model support for the spi driver 2016-10-28 18:37:15 +02:00
atmel_spi.h spi: atmel_spi: Use GENMASK 2015-10-27 23:21:42 +05:30
bfin_spi6xx.c Move console definitions into a new console.h file 2015-11-19 20:27:50 -07:00
bfin_spi.c Move console definitions into a new console.h file 2015-11-19 20:27:50 -07:00
cadence_qspi_apb.c spi: cadence_qspi: Fix baud rate calculation 2016-12-15 16:57:27 +01:00
cadence_qspi.c treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
cadence_qspi.h spi: cadence_quadspi: Enable QUAD mode based on DT data 2016-07-09 20:16:33 +05:30
cf_qspi.c spi: cf_qspi: fix clamp macro type check compilation warnings 2015-07-01 22:58:50 +05:30
cf_spi.c spi: cf_spi: Staticize local functions 2015-03-30 01:42:49 +05:30
davinci_spi.c spi: davinci_spi: Convert to driver to adapt to DM 2016-07-09 20:16:30 +05:30
designware_spi.c spi: designware_spi: Use GENMASK 2015-10-27 23:21:43 +05:30
ep93xx_spi.c bitops: introduce BIT() definition 2015-09-11 17:15:32 -04:00
exynos_spi.c dm: Use dev_get_addr() where possible 2015-08-31 07:57:26 -06:00
fsl_dspi.c Various, accumulated typos collected from around the tree. 2016-10-06 20:57:40 -04:00
fsl_espi.c spi: fsl: Use BIT macro 2015-10-27 23:19:29 +05:30
fsl_qspi.c libfdt: Sync fdt_for_each_subnode() with upstream 2016-10-13 14:10:32 -06:00
fsl_qspi.h qspi:fsl implement AHB read 2015-01-09 00:03:28 +05:30
ich.c spi: Use mode for rx mode flags 2016-09-22 01:02:28 +05:30
ich.h spi: ich: Change PCHV_ to ICHV_ 2016-02-05 12:47:20 +08:00
Kconfig dm: at91: Add driver model support for the spi driver 2016-10-28 18:37:15 +02:00
kirkwood_spi.c spi: kirkwood_spi: implement mvebu_spi_set_mode() 2016-11-18 13:04:52 +05:30
lpc32xx_ssp.c lpc32xx: add LPC32xx SSP support (SPI mode) 2015-04-10 14:23:20 +02:00
Makefile spi: Add driver for Marvell Armada 3700 SoC 2016-09-27 17:29:52 +02:00
mpc8xxx_spi.c spi: mpc8xxx_spi: Use BIT macro 2015-10-27 23:21:28 +05:30
mpc52xx_spi.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
mvebu_a3700_spi.c spi: Add driver for Marvell Armada 3700 SoC 2016-09-27 17:29:52 +02:00
mxc_spi.c treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
mxs_spi.c treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
omap3_spi.c omap3: Fix SPI registers on am33xx and am43xx 2016-05-23 11:50:22 -04:00
pic32_spi.c spi: pic32_spi: add SPI master driver for PIC32 SoC. 2016-06-10 12:31:12 +02:00
rk_spi.c rockchip: spi: Honour the deactivation delay 2016-11-25 17:59:30 -07:00
rk_spi.h rockchip: Add SPI driver 2015-09-02 21:28:24 -06:00
sandbox_spi.c treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
sh_qspi.c Move console definitions into a new console.h file 2015-11-19 20:27:50 -07:00
sh_spi.c Add more SPDX-License-Identifier tags 2016-01-19 08:31:21 -05:00
sh_spi.h Add more SPDX-License-Identifier tags 2016-01-19 08:31:21 -05:00
soft_spi_legacy.c dm: spi: Remove SPI_INIT feature 2014-10-22 10:36:48 -06:00
soft_spi.c dm: spi: soft_spi: switch to use linux compatible string 2016-05-17 09:54:43 -06:00
spi-emul-uclass.c dm: sandbox: Add a SPI emulation uclass 2014-10-22 10:36:46 -06:00
spi-uclass.c spi: Add error checking for invalid bus widths 2016-12-15 16:38:30 +01:00
spi.c spi: Support half-duplex mode in FDT decode 2014-08-06 00:18:01 +05:30
tegra20_sflash.c spi: tegra: fix hang in set_mode() 2016-08-25 15:35:03 -07:00
tegra20_slink.c spi: tegra: fix hang in set_mode() 2016-08-25 15:35:03 -07:00
tegra114_spi.c Add more SPDX-License-Identifier tags 2016-01-19 08:31:21 -05:00
tegra210_qspi.c spi: tegra: fix hang in set_mode() 2016-08-25 15:35:03 -07:00
tegra_spi.h dm: tegra: spi: Convert to driver model 2014-10-22 10:36:52 -06:00
ti_qspi.c ARM: DRA7x/AM57xx: Get rid of CONFIG_AM57XX 2016-12-03 13:21:11 -05:00
xilinx_spi.c spi: xilinx: Add new compatible strings 2015-12-11 22:12:24 +05:30
zynq_qspi.c spi: zynq_qspi: Add configuration to disable LQSPI feature 2015-12-18 13:15:57 +01:00
zynq_spi.c Merge branch 'master' of git://git.denx.de/u-boot-spi 2016-09-22 11:36:45 -04:00