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Ashok Reddy Soma 4f9d25537c spi: zynqmp_gqspi: Fix write issue at low frequencies 
With current implementation we are seeing write issues at low frequencies
below 15Mhz. Make below changes to fix the issue.

1. Remove dummy genfifo entry in zynqmp_qspi_chipselect() which was
   incorrectly added in the past

2. Enable and poll for TX_FIFO_Empty after Tx data is filled in FIFO in
   zynqmp_qspi_fill_tx_fifo().

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Link: https://lore.kernel.org/r/1634652780-21755-1-git-send-email-ashok.reddy.soma@xilinx.com
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-10-25 10:02:25 +02:00
..
altera_spi.c spi: altera_spi: Do not abuse CONFIG namespace 2021-08-30 14:13:28 -04:00
atcspi200_spi.c WS cleanup: remove SPACE(s) followed by TAB 2021-09-30 09:08:16 -04:00
ath79_spi.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
atmel-quadspi.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
atmel_spi.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
atmel_spi.h spi: atmel: Remove nondm code 2020-06-11 15:14:04 +05:30
bcm63xx_hsspi.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
bcm63xx_spi.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
bcmstb_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
ca_sflash.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
cadence_qspi.c spi: cadence-qspi: Add support for octal DTR flashes 2021-06-28 11:57:23 +05:30
cadence_qspi.h spi: cadence-qspi: Add support for octal DTR flashes 2021-06-28 11:57:23 +05:30
cadence_qspi_apb.c mtd: cqspi: Fix division by zero 2021-10-04 08:51:14 -04:00
cf_spi.c treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
davinci_spi.c treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
designware_spi.c Driver model: make some udevice fields private 2021-01-05 22:34:43 -05:00
exynos_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
fsl_dspi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
fsl_espi.c treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
fsl_qspi.c Merge branch '2021-02-02-drop-asm_global_data-when-unused' 2021-02-15 10:16:45 -05:00
ich.c treewide: Use OF_REAL instead of !OF_PLATDATA 2021-09-25 09:46:15 -06:00
ich.h x86: spl: Move priv/plat structs to headers 2021-01-05 12:24:41 -07:00
Kconfig pci: Drop DM_PCI 2021-09-13 18:23:13 -04:00
kirkwood_spi.c spi: kirkwood: prevent limiting speed to 0 2021-05-16 06:48:45 +02:00
Makefile spi: rockchip_sfc: add support for Rockchip SFC 2021-08-12 09:34:11 +08:00
meson_spifc.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
mpc8xx_spi.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
mpc8xxx_spi.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
mscc_bb_spi.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
mt7620_spi.c spi: add spi controller support for MediaTek MT7620 SoC 2021-01-24 21:39:26 +01:00
mt7621_spi.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
mtk_snfi_spi.c spi: spi-mem: allow specifying a command's extension 2021-06-28 11:55:11 +05:30
mtk_snor.c spi: mtk_snor: add support for MTK SPI NOR controller 2021-01-29 10:35:14 -05:00
mvebu_a3700_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mxc_spi.c arm: Remove zmx25 board and ARCH_MX25 2021-10-01 21:08:18 -04:00
mxs_spi.c treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
nxp_fspi.c spi: nxp_fspi: Ensure width is respected in spi-mem operations 2021-08-18 15:55:15 +05:30
octeon_spi.c dm: Avoid accessing seq directly 2020-12-18 20:32:21 -07:00
omap3_spi.c treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
pic32_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
pl022_spi.c treewide: Use OF_REAL instead of !OF_PLATDATA 2021-09-25 09:46:15 -06:00
renesas_rpc_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
rk_spi.c clk: Rename clk_get_by_driver_info() 2021-09-25 09:46:15 -06:00
rk_spi.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rockchip_sfc.c spi: rockchip_sfc: Using read_poll 2021-10-15 20:57:11 +08:00
sandbox_spi.c test: spi: Add sandbox_spi_get_{speed, mode} interface 2020-12-22 20:39:26 -07:00
sh_qspi.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
soft_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
spi-emul-uclass.c dm: define LOG_CATEGORY for all uclass 2021-07-06 10:38:03 -06:00
spi-mem-nodm.c spi: spi-mem-nodm: Fix read data size issue 2021-08-03 11:50:37 +05:30
spi-mem.c spi: spi-mem: add spi_mem_dtr_supports_op() 2021-06-28 11:56:06 +05:30
spi-mxic.c spi: Add MXIC controller driver 2021-06-25 20:59:45 +05:30
spi-qup.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
spi-sifive.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
spi-sunxi.c sunxi: gpio: Remove name_to_gpio macro 2021-10-11 10:46:44 +01:00
spi-synquacer.c spi: synquacer: Add HSSPI SPI controller driver for SynQuacer 2021-07-06 14:07:36 -04:00
spi-uclass.c treewide: Try to avoid the preprocessor with OF_REAL 2021-09-25 09:46:15 -06:00
spi.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
stm32_qspi.c spi: stm32_qspi: Fix short data write operation 2021-06-18 08:39:45 +02:00
stm32_spi.c spi: stm32: Add ofdata_to_platdata() callback 2021-10-08 08:41:47 +02:00
tegra20_sflash.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
tegra20_slink.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
tegra114_spi.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
tegra210_qspi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
tegra_spi.h dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
ti_qspi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
uniphier_spi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
xilinx_spi.c spi: xilinx_spi: Trivial fixes in axi qspi driver 2021-03-30 12:03:24 +02:00
zynq_qspi.c Xilinx changes for v2021.04-rc3 2021-02-23 10:45:55 -05:00
zynq_spi.c Xilinx changes for v2021.04-rc3 2021-02-23 10:45:55 -05:00
zynqmp_gqspi.c spi: zynqmp_gqspi: Fix write issue at low frequencies 2021-10-25 10:02:25 +02:00