linux-kernel - [PATCHv6 07/11] drivers: firmware: psci: Use __pa

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Message-Id: <1483464113-1587-8-git-send-email-labbott@redhat.com>
Date:   Tue,  3 Jan 2017 09:21:49 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     Mark Rutland <mark.rutland@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     Laura Abbott <labbott@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Christoffer Dall <christoffer.dall@...aro.org>,
        Marc Zyngier <marc.zyngier@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCHv6 07/11] drivers: firmware: psci: Use __pa_symbol for kernel symbol


__pa_symbol is technically the macro that should be used for kernel
symbols. Switch to this as a pre-requisite for DEBUG_VIRTUAL which
will do bounds checking.

Reviewed-by: Mark Rutland <mark.rutland@....com>
Tested-by: Mark Rutland <mark.rutland@....com>
Signed-off-by: Laura Abbott <labbott@...hat.com>
---
 drivers/firmware/psci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index 6c60a50..66a8793 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -383,7 +383,7 @@ static int psci_suspend_finisher(unsigned long index)
 	u32 *state = __this_cpu_read(psci_power_state);
 
 	return psci_ops.cpu_suspend(state[index - 1],
-				    virt_to_phys(cpu_resume));
+				    __pa_symbol(cpu_resume));
 }
 
 int psci_cpu_suspend_enter(unsigned long index)
-- 
2.7.4