On Fri, Jan 12, 2024 at 11:11:07AM -0800, Guenter Roeck wrote: > On Sat, Nov 25, 2023 at 02:51:30PM +0530, Amit Kumar Mahapatra wrote: > > AMD-Xilinx GQSPI controller has two advanced mode that allows the > > controller to consider two flashes as one single device. ... > With this patch in the mainline kernel, two of my qemu emulations > (quanta-q71l-bmc and almetto-bmc) fail to instantiate the first SPI > controller and thus fail to boot from SPI. The error message is Not sure what quanta-q711-bmc is - is almetto-bmc really palmetto-bmc (which has a mainline DT with a SPI flash)? > > [ 3.006458] spi_master spi0: No. of CS is more than max. no. of supported CS > [ 3.006775] spi_master spi0: Failed to create SPI device for /ahb/spi@1e620000/flash@0 > > The problem is no longer seen after reverting this patch. > > Bisect log attached for reference. > > Guenter > > --- > # bad: [70d201a40823acba23899342d62bc2644051ad2e] Merge tag 'f2fs-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs > # good: [0dd3ee31125508cd67f7e7172247f05b7fd1753a] Linux 6.7 > git bisect start 'HEAD' 'v6.7' > # bad: [de927f6c0b07d9e698416c5b287c521b07694cac] Merge tag 's390-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux > git bisect bad de927f6c0b07d9e698416c5b287c521b07694cac > # bad: [35f11a3710cdcbbc5090d14017a6295454e0cc73] Merge tag 'mtd/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux > git bisect bad 35f11a3710cdcbbc5090d14017a6295454e0cc73 > # good: [d30e51aa7b1f6fa7dd78d4598d1e4c047fcc3fb9] Merge tag 'slab-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab > git bisect good d30e51aa7b1f6fa7dd78d4598d1e4c047fcc3fb9 > # good: [fb46e22a9e3863e08aef8815df9f17d0f4b9aede] Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm > git bisect good fb46e22a9e3863e08aef8815df9f17d0f4b9aede > # good: [063a7ce32ddc2c4f2404b0dfd29e60e3dbcdffac] Merge tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm > git bisect good 063a7ce32ddc2c4f2404b0dfd29e60e3dbcdffac > # bad: [f6cd66231aa58599526584ff4df1bdde8d86eac8] spi: stm32: add st,stm32mp25-spi compatible supporting STM32MP25 soc > git bisect bad f6cd66231aa58599526584ff4df1bdde8d86eac8 > # good: [18f78b5e609b19b56237f0dae47068d44b8b0ecd] spi: axi-spi-engine: improvements round 2 > git bisect good 18f78b5e609b19b56237f0dae47068d44b8b0ecd > # bad: [9d93c8d97b4cdb5edddb4c5530881c90eecb7e44] spi: spi-ti-qspi: switch to use modern name > git bisect bad 9d93c8d97b4cdb5edddb4c5530881c90eecb7e44 > # bad: [e6b7e64cb11966b26646a362677ca5a08481157e] spi: st-ssc4: switch to use modern name > git bisect bad e6b7e64cb11966b26646a362677ca5a08481157e > # bad: [c3aeaf2f0ec8af93189488bda3928a1ac7752388] spi: pxa2xx: Use inclusive language > git bisect bad c3aeaf2f0ec8af93189488bda3928a1ac7752388 > # good: [f05e2f61fe88092e0d341ea27644a84e3386358d] ALSA: hda/cs35l56: Use set/get APIs to access spi->chip_select > git bisect good f05e2f61fe88092e0d341ea27644a84e3386358d > # bad: [88a50c1663ffa9f6b31705c6bf7a887a2c8d9434] spi: Add support for stacked/parallel memories > git bisect bad 88a50c1663ffa9f6b31705c6bf7a887a2c8d9434 > # bad: [4d8ff6b0991d5e86b17b235fc46ec62e9195cb9b] spi: Add multi-cs memories support in SPI core > git bisect bad 4d8ff6b0991d5e86b17b235fc46ec62e9195cb9b > # first bad commit: [4d8ff6b0991d5e86b17b235fc46ec62e9195cb9b] spi: Add multi-cs memories support in SPI core
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