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X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Since the APLIC and IMSIC may be powered down when the CPUs enter a deep sleep state, it is necessary to implement save and restore functions to ensure their states are correctly preserved and restored. Changes in V2: - Address the compile error from kernel test robot when CONFIG_RISCV_M_MODE is enabled. - Apply the suggestion from Anup [1] Link: - [1] https://lore.kernel.org/linux-riscv/20250709025516.28051-1-nick.hu@sifive.com/ Nick Hu (2): irqchip/riscv-imsic: Restore the IMSIC registers irqchip/riscv-aplic: Save and restore APLIC registers drivers/irqchip/irq-riscv-aplic-direct.c | 11 ++ drivers/irqchip/irq-riscv-aplic-main.c | 158 ++++++++++++++++++++++- drivers/irqchip/irq-riscv-aplic-main.h | 11 ++ drivers/irqchip/irq-riscv-imsic-early.c | 41 ++++-- 4 files changed, 212 insertions(+), 9 deletions(-) -- 2.17.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv