Topics/for peripherals#83
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mukesh-savaliya merged 1 commit intoqualcomm-linux:tech/bus/peripheralsfrom Jul 8, 2025
Merged
Topics/for peripherals#83mukesh-savaliya merged 1 commit intoqualcomm-linux:tech/bus/peripheralsfrom
mukesh-savaliya merged 1 commit intoqualcomm-linux:tech/bus/peripheralsfrom
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I2C driver currently reports "DMA txn failed" error even though it's NACK OR BUS_PROTO OR ARB_LOST. Detect NACK error when no device ACKs on the bus instead of generic transfer failure which doesn't give any specific clue. Make Changes inside i2c driver callback handler function i2c_gpi_cb_result() to parse these errors and make sure GSI driver stores the error status during error interrupt. Co-developed-by: Viken Dadhaniya <quic_vdadhani@quicinc.com> Signed-off-by: Viken Dadhaniya <quic_vdadhani@quicinc.com> Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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For 8-bit and 16-bit sign-extention mov instructions, it can use the native instructions ext.w.b and ext.w.h directly, no need to use the temporary t1 register, just remove the redundant operations. Here are the test results: # modprobe test_bpf test_range=81,84 # dmesg -t | tail -5 test_bpf: #81 ALU_MOVSX | BPF_B jited:1 5 PASS test_bpf: #82 ALU_MOVSX | BPF_H jited:1 5 PASS test_bpf: #83 ALU64_MOVSX | BPF_B jited:1 5 PASS test_bpf: #84 ALU64_MOVSX | BPF_H jited:1 5 PASS test_bpf: Summary: 4 PASSED, 0 FAILED, [4/4 JIT'ed] Acked-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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