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RISC-V: ACPI improvements #78
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Enhance the acpi_os_ioremap() to support opregions in MMIO space. Also, have strict checks using EFI memory map to allow remapping the RAM similar to arm64. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
acpi_get_rhct() currently returns pointer to acpi_table_header structure. But since this is specific to RHCT, return pointer to acpi_table_rhct structure itself. Suggested-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Cache Block Operation (CBO) related block size in ACPI is provided by RHCT. Add support to read the CMO node in RHCT to get this information. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Initialize the CBO variables on ACPI based systems using information in RHCT. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Samuel Holland <samuel.holland@sifive.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
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At least one diff in series https://patchwork.kernel.org/project/linux-riscv/list/?series=794322 irrelevant now. Closing PR. |
Pull request for series with
subject: RISC-V: ACPI improvements
version: 2
url: https://patchwork.kernel.org/project/linux-riscv/list/?series=788199