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From:   Sunil V L <sunilvl@ventanamicro.com>
To:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ard Biesheuvel <ardb@kernel.org>,
        Marc Zyngier <maz@kernel.org>,
        Atish Patra <atishp@rivosinc.com>,
        Heinrich Schuchardt <heinrich.schuchardt@canonical.com>,
        Anup Patel <apatel@ventanamicro.com>
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-efi@vger.kernel.org, Sunil V L <sunil.vl@gmail.com>,
        Sunil V L <sunilvl@ventanamicro.com>
Subject: [PATCH V2 1/5] riscv: cpu_ops_sbi: Support for 64bit hartid
Date:   Thu, 26 May 2022 15:41:27 +0530
Message-Id: <20220526101131.2340729-2-sunilvl@ventanamicro.com>
In-Reply-To: <20220526101131.2340729-1-sunilvl@ventanamicro.com>
References: <20220526101131.2340729-1-sunilvl@ventanamicro.com>
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The hartid can be a 64bit value on RV64 platforms. This patch modifies
the hartid variable type to unsigned long so that it can hold 64bit
value on RV64 platforms.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
---
 arch/riscv/kernel/cpu_ops_sbi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c
index 4f5a6f84e2a4..efa0f0816634 100644
--- a/arch/riscv/kernel/cpu_ops_sbi.c
+++ b/arch/riscv/kernel/cpu_ops_sbi.c
@@ -65,7 +65,7 @@ static int sbi_hsm_hart_get_status(unsigned long hartid)
 static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle)
 {
 	unsigned long boot_addr = __pa_symbol(secondary_start_sbi);
-	int hartid = cpuid_to_hartid_map(cpuid);
+	unsigned long hartid = cpuid_to_hartid_map(cpuid);
 	unsigned long hsm_data;
 	struct sbi_hart_boot_data *bdata = &per_cpu(boot_data, cpuid);
 
@@ -107,7 +107,7 @@ static void sbi_cpu_stop(void)
 static int sbi_cpu_is_stopped(unsigned int cpuid)
 {
 	int rc;
-	int hartid = cpuid_to_hartid_map(cpuid);
+	unsigned long hartid = cpuid_to_hartid_map(cpuid);
 
 	rc = sbi_hsm_hart_get_status(hartid);
 
-- 
2.25.1