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71025f013c
The spi-mem layer provides a spi_mem_supports_op() function to check
whether a specific operation is supported by the controller or not.
This is much more accurate than the hwcaps selection logic based on
SPI_{RX,TX}_ flags.
Rework the hwcaps selection logic to use spi_mem_supports_op().
To make sure the build doesn't break for boards not using CONFIG_DM_SPI,
add a simple SPI_{RX,TX}_ based hwcaps selection logic in spi-mem-nodm
similar to spi_mem_default_supports_op(). This change is only
compile-tested.
To avoid SPL size problems on the x530 board, the old hwcaps selection
is still kept around. Leaving the code in-place was getting difficult to
read and understand, so the code is restructured to have it all in one
isolated function. As a result of this, the parameter hwcaps to
spi_nor_setup() is no longer needed. Remove it.
Based on the Linux commit c76f5089796a (mtd: spi-nor: Rework hwcaps
selection for the spi-mem case, 2019-08-06)
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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| .. | ||
| byteorder | ||
| clk | ||
| mtd | ||
| soc/ti | ||
| unaligned | ||
| usb | ||
| apm_bios.h | ||
| arm-smccc.h | ||
| asn1.h | ||
| asn1_ber_bytecode.h | ||
| asn1_decoder.h | ||
| bch.h | ||
| bitfield.h | ||
| bitmap.h | ||
| bitops.h | ||
| bitrev.h | ||
| bug.h | ||
| build_bug.h | ||
| clk-provider.h | ||
| compat.h | ||
| compiler-clang.h | ||
| compiler-gcc.h | ||
| compiler-intel.h | ||
| compiler.h | ||
| compiler_attributes.h | ||
| compiler_types.h | ||
| completion.h | ||
| const.h | ||
| crc7.h | ||
| crc32.h | ||
| ctype.h | ||
| delay.h | ||
| dma-direction.h | ||
| dma-mapping.h | ||
| drm_dp_helper.h | ||
| edd.h | ||
| err.h | ||
| errno.h | ||
| ethtool.h | ||
| fb.h | ||
| if_ether.h | ||
| immap_qe.h | ||
| input.h | ||
| intel-smc.h | ||
| io.h | ||
| ioctl.h | ||
| iopoll.h | ||
| ioport.h | ||
| kbuild.h | ||
| kconfig.h | ||
| kernel.h | ||
| libfdt.h | ||
| libfdt_env.h | ||
| linkage.h | ||
| linux_string.h | ||
| list.h | ||
| list_sort.h | ||
| log2.h | ||
| lzo.h | ||
| math64.h | ||
| mbus.h | ||
| mc146818rtc.h | ||
| mdio.h | ||
| mii.h | ||
| netdevice.h | ||
| oid_registry.h | ||
| poison.h | ||
| posix_types.h | ||
| printk.h | ||
| psci.h | ||
| rational.h | ||
| rbtree.h | ||
| rbtree_augmented.h | ||
| screen_info.h | ||
| serial_reg.h | ||
| sizes.h | ||
| stat.h | ||
| stddef.h | ||
| string.h | ||
| stringify.h | ||
| time.h | ||
| typecheck.h | ||
| types.h | ||
| utf.h | ||
| xxhash.h | ||
| zstd.h | ||