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3e79141684
u-boot-brain/drivers/spi
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Bin Meng 3e79141684 x86: ich-spi: Don't read cached lock status 
At present the ICH SPI controller driver reads the controller lock
status from its register in the probe routine and saves the lock
status to a member of priv. Later the driver uses the cached status
from priv to judge whether the controller setting is locked and do
different setup.

But such logic is only valid when there is only the SPI controller
driver that touches the SPI hardware. In fact the lock status change
can be trigged outside the driver, eg: during the fsp_notify() call
when Intel FSP is used.

This changes the driver to read the lock status every time when an
SPI transfer is initiated instead of reading the cached one.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-08-24 11:00:47 +08:00
..
altera_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
ath79_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
atmel_dataflash_spi.c spi: atmel_dataflash: Simplify AT91F_SpiEnable implementation 2014-03-17 21:54:57 +05:30
atmel_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
atmel_spi.h spi: atmel_spi: Use GENMASK 2015-10-27 23:21:42 +05:30
cadence_qspi_apb.c spi: cadence_qspi_apb: Use 32 bit indirect read transaction when possible 2017-01-04 16:38:35 +01:00
cadence_qspi.c dm: core: Replace of_offset with accessor 2017-02-08 06:12:14 -07:00
cadence_qspi.h spi: cadence_qspi: Use spi mode at the point it is needed 2016-12-15 16:57:27 +01:00
cf_spi.c spi: Zap cf_qspi driver and related code 2017-01-15 18:29:04 +01:00
davinci_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
designware_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
exynos_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
fsl_dspi.c dm: Fix up inclusion of common.h 2017-06-01 07:03:03 -06:00
fsl_espi.c spi: fsl: Use BIT macro 2015-10-27 23:19:29 +05:30
fsl_qspi.c spi: fsl_qspi: Pet watchdog even more 2017-08-01 08:28:56 -07:00
fsl_qspi.h qspi:fsl implement AHB read 2015-01-09 00:03:28 +05:30
ich.c x86: ich-spi: Don't read cached lock status 2017-08-24 11:00:47 +08:00
ich.h x86: ich-spi: Don't read cached lock status 2017-08-24 11:00:47 +08:00
Kconfig OMAP3_SPI: Kconfig: move OMAP3_SPI out of DM_SPI section. 2017-08-12 19:17:20 -04:00
kirkwood_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
lpc32xx_ssp.c lpc32xx: add LPC32xx SSP support (SPI mode) 2015-04-10 14:23:20 +02:00
Makefile powerpc, 8xx: move SPI driver to drivers/spi/ 2017-07-08 15:56:03 -04:00
mpc8xx_spi.c powerpc, 8xx: move SPI driver to drivers/spi/ 2017-07-08 15:56:03 -04:00
mpc8xxx_spi.c spi: mpc8xxx_spi: Use BIT macro 2015-10-27 23:21:28 +05:30
mvebu_a3700_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
mxc_spi.c imx: reorganize IMX code as other SOCs 2017-07-12 10:17:44 +02:00
mxs_spi.c imx: reorganize IMX code as other SOCs 2017-07-12 10:17:44 +02:00
omap3_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00
pic32_spi.c dm: gpio: Add live tree support 2017-06-01 07:03:10 -06:00
rk_spi.c rockchip: spi: enable support for the rk_spi driver for the RK3368 2017-08-13 17:12:34 +02:00
rk_spi.h rockchip: spi: rk_spi: dynamically select an module input rate 2017-05-10 13:37:21 -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: core: Replace of_offset with accessor 2017-02-08 06:12:14 -07:00
spi-emul-uclass.c dm: sandbox: Add a SPI emulation uclass 2014-10-22 10:36:46 -06:00
spi-uclass.c dm: spi: Convert uclass to livetree 2017-06-01 07:03:16 -06:00
spi.c spi: Support half-duplex mode in FDT decode 2014-08-06 00:18:01 +05:30
stm32_qspi.c spi: stm32_qspi: add clk_get_rate() support 2017-07-26 11:28:08 -04:00
tegra20_sflash.c dm: tegra: Convert clock_decode_periph_id() to support livetree 2017-07-28 12:02:47 -06:00
tegra20_slink.c dm: tegra: Convert clock_decode_periph_id() to support livetree 2017-07-28 12:02:47 -06:00
tegra114_spi.c dm: tegra: spi: Convert to livetree 2017-07-28 12:02:47 -06:00
tegra210_qspi.c dm: tegra: Convert clock_decode_periph_id() to support livetree 2017-07-28 12:02:47 -06:00
tegra_spi.h dm: tegra: spi: Convert to driver model 2014-10-22 10:36:52 -06:00
ti_qspi.c dm: core: Replace of_offset with accessor (part 2) 2017-06-01 07:03:04 -06:00
xilinx_spi.c spi: xilinx: Add new compatible strings 2015-12-11 22:12:24 +05:30
zynq_qspi.c dm: core: Replace of_offset with accessor 2017-02-08 06:12:14 -07:00
zynq_spi.c dm: Rename dev_addr..() functions 2017-06-01 07:03:01 -06:00