From: Sia Jee Heng <jeeheng.sia@starfivetech.com> To: <paul.walmsley@sifive.com>, <palmer@dabbelt.com>, <aou@eecs.berkeley.edu> Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <jeeheng.sia@starfivetech.com>, <leyfoon.tan@starfivetech.com>, <mason.huo@starfivetech.com> Subject: [PATCH v3 1/4] RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function Date: Fri, 27 Jan 2023 17:10:48 +0800 [thread overview] Message-ID: <20230127091051.1465278-2-jeeheng.sia@starfivetech.com> (raw) In-Reply-To: <20230127091051.1465278-1-jeeheng.sia@starfivetech.com> Currently suspend_save_csrs() and suspend_restore_csrs() functions are statically defined in the suspend.c. Change the function's attribute to public so that the functions can be used by hibernation as well. Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Reviewed-by: Ley Foon Tan <leyfoon.tan@starfivetech.com> Reviewed-by: Mason Huo <mason.huo@starfivetech.com> --- arch/riscv/include/asm/suspend.h | 3 +++ arch/riscv/kernel/suspend.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/riscv/include/asm/suspend.h b/arch/riscv/include/asm/suspend.h index 8be391c2aecb..75419c5ca272 100644 --- a/arch/riscv/include/asm/suspend.h +++ b/arch/riscv/include/asm/suspend.h @@ -33,4 +33,7 @@ int cpu_suspend(unsigned long arg, /* Low-level CPU resume entry function */ int __cpu_resume_enter(unsigned long hartid, unsigned long context); +/* Used to save and restore the csr */ +void suspend_save_csrs(struct suspend_context *context); +void suspend_restore_csrs(struct suspend_context *context); #endif diff --git a/arch/riscv/kernel/suspend.c b/arch/riscv/kernel/suspend.c index 9ba24fb8cc93..3c89b8ec69c4 100644 --- a/arch/riscv/kernel/suspend.c +++ b/arch/riscv/kernel/suspend.c @@ -8,7 +8,7 @@ #include <asm/csr.h> #include <asm/suspend.h> -static void suspend_save_csrs(struct suspend_context *context) +void suspend_save_csrs(struct suspend_context *context) { context->scratch = csr_read(CSR_SCRATCH); context->tvec = csr_read(CSR_TVEC); @@ -29,7 +29,7 @@ static void suspend_save_csrs(struct suspend_context *context) #endif } -static void suspend_restore_csrs(struct suspend_context *context) +void suspend_restore_csrs(struct suspend_context *context) { csr_write(CSR_SCRATCH, context->scratch); csr_write(CSR_TVEC, context->tvec); -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Sia Jee Heng <jeeheng.sia@starfivetech.com> To: <paul.walmsley@sifive.com>, <palmer@dabbelt.com>, <aou@eecs.berkeley.edu> Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <jeeheng.sia@starfivetech.com>, <leyfoon.tan@starfivetech.com>, <mason.huo@starfivetech.com> Subject: [PATCH v3 1/4] RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function Date: Fri, 27 Jan 2023 17:10:48 +0800 [thread overview] Message-ID: <20230127091051.1465278-2-jeeheng.sia@starfivetech.com> (raw) In-Reply-To: <20230127091051.1465278-1-jeeheng.sia@starfivetech.com> Currently suspend_save_csrs() and suspend_restore_csrs() functions are statically defined in the suspend.c. Change the function's attribute to public so that the functions can be used by hibernation as well. Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Reviewed-by: Ley Foon Tan <leyfoon.tan@starfivetech.com> Reviewed-by: Mason Huo <mason.huo@starfivetech.com> --- arch/riscv/include/asm/suspend.h | 3 +++ arch/riscv/kernel/suspend.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/riscv/include/asm/suspend.h b/arch/riscv/include/asm/suspend.h index 8be391c2aecb..75419c5ca272 100644 --- a/arch/riscv/include/asm/suspend.h +++ b/arch/riscv/include/asm/suspend.h @@ -33,4 +33,7 @@ int cpu_suspend(unsigned long arg, /* Low-level CPU resume entry function */ int __cpu_resume_enter(unsigned long hartid, unsigned long context); +/* Used to save and restore the csr */ +void suspend_save_csrs(struct suspend_context *context); +void suspend_restore_csrs(struct suspend_context *context); #endif diff --git a/arch/riscv/kernel/suspend.c b/arch/riscv/kernel/suspend.c index 9ba24fb8cc93..3c89b8ec69c4 100644 --- a/arch/riscv/kernel/suspend.c +++ b/arch/riscv/kernel/suspend.c @@ -8,7 +8,7 @@ #include <asm/csr.h> #include <asm/suspend.h> -static void suspend_save_csrs(struct suspend_context *context) +void suspend_save_csrs(struct suspend_context *context) { context->scratch = csr_read(CSR_SCRATCH); context->tvec = csr_read(CSR_TVEC); @@ -29,7 +29,7 @@ static void suspend_save_csrs(struct suspend_context *context) #endif } -static void suspend_restore_csrs(struct suspend_context *context) +void suspend_restore_csrs(struct suspend_context *context) { csr_write(CSR_SCRATCH, context->scratch); csr_write(CSR_TVEC, context->tvec); -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2023-01-27 9:11 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-01-27 9:10 [PATCH v3 0/4] RISC-V Hibernation Support Sia Jee Heng 2023-01-27 9:10 ` Sia Jee Heng 2023-01-27 9:10 ` Sia Jee Heng [this message] 2023-01-27 9:10 ` [PATCH v3 1/4] RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function Sia Jee Heng 2023-01-30 23:31 ` Conor Dooley 2023-01-30 23:31 ` Conor Dooley 2023-01-27 9:10 ` [PATCH v3 2/4] RISC-V: Factor out common code of __cpu_resume_enter() Sia Jee Heng 2023-01-27 9:10 ` Sia Jee Heng 2023-01-30 21:49 ` Conor Dooley 2023-01-30 21:49 ` Conor Dooley 2023-02-01 6:19 ` JeeHeng Sia 2023-02-01 6:19 ` JeeHeng Sia 2023-01-27 9:10 ` [PATCH v3 3/4] RISC-V: mm: Enable huge page support to kernel_page_present() function Sia Jee Heng 2023-01-27 9:10 ` Sia Jee Heng 2023-01-30 21:57 ` Conor Dooley 2023-01-30 21:57 ` Conor Dooley 2023-01-31 8:19 ` Alexandre Ghiti 2023-01-31 8:19 ` Alexandre Ghiti 2023-02-01 5:48 ` JeeHeng Sia 2023-02-01 5:48 ` JeeHeng Sia 2023-01-27 9:10 ` [PATCH v3 4/4] RISC-V: Add arch functions to support hibernation/suspend-to-disk Sia Jee Heng 2023-01-27 9:10 ` Sia Jee Heng 2023-01-30 23:30 ` Conor Dooley 2023-01-30 23:30 ` Conor Dooley 2023-01-31 9:59 ` Alexandre Ghiti 2023-01-31 9:59 ` Alexandre Ghiti 2023-02-07 4:58 ` JeeHeng Sia 2023-02-07 4:58 ` JeeHeng Sia 2023-02-07 5:27 ` Alexandre Ghiti 2023-02-07 5:27 ` Alexandre Ghiti 2023-02-02 2:43 ` JeeHeng Sia 2023-02-02 2:43 ` JeeHeng Sia 2023-02-03 3:43 ` JeeHeng Sia 2023-02-03 3:43 ` JeeHeng Sia 2023-02-03 6:30 ` Conor Dooley 2023-02-03 6:30 ` Conor Dooley 2023-02-04 20:42 ` kernel test robot 2023-02-04 20:42 ` kernel test robot 2023-02-07 15:46 ` Alexandre Ghiti 2023-02-07 15:46 ` Alexandre Ghiti 2023-02-08 4:43 ` JeeHeng Sia 2023-02-08 4:43 ` JeeHeng Sia 2023-02-08 12:04 ` Alexandre Ghiti 2023-02-08 12:04 ` Alexandre Ghiti 2023-02-09 6:12 ` JeeHeng Sia 2023-02-09 6:12 ` JeeHeng Sia 2023-02-10 13:24 ` Alexandre Ghiti 2023-02-10 13:24 ` Alexandre Ghiti 2023-02-13 1:51 ` JeeHeng Sia 2023-02-13 1:51 ` JeeHeng Sia 2023-02-14 6:57 ` Alexandre Ghiti 2023-02-14 6:57 ` Alexandre Ghiti
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20230127091051.1465278-2-jeeheng.sia@starfivetech.com \ --to=jeeheng.sia@starfivetech.com \ --cc=aou@eecs.berkeley.edu \ --cc=leyfoon.tan@starfivetech.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-riscv@lists.infradead.org \ --cc=mason.huo@starfivetech.com \ --cc=palmer@dabbelt.com \ --cc=paul.walmsley@sifive.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.