[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20231122233058.185601-4-amakhalov@vmware.com>
Date: Wed, 22 Nov 2023 15:30:48 -0800
From: Alexey Makhalov <amakhalov@...are.com>
To: linux-kernel@...r.kernel.org,
virtualization@...ts.linux.dev,
hpa@...or.com,
x86@...nel.org,
dave.hansen@...ux.intel.co,
bp@...en8.d,
mingo@...hat.com,
tglx@...utronix.de,
zackr@...are.com,
timothym@...are.com,
dri-devel@...ts.freedesktop.org,
daniel@...ll.ch,
airlied@...il.com,
tzimmermann@...e.de,
mripard@...nel.org,
maarten.lankhorst@...ux.intel.com
Cc: netdev@...r.kernel.org,
richardcochran@...il.com,
linux-input@...r.kernel.org,
dmitry.torokhov@...il.com,
linux-graphics-maintainer@...are.com,
pv-drivers@...are.com,
namit@...are.com,
akaher@...are.com,
jsipek@...are.com,
Alexey Makhalov <amakhalov@...are.com>
Subject: [PATCH 3/6] ptp/vmware: Use vmware_hypercall API
Switch from VMWARE_HYPERCALL macro to vmware_hypercall API.
Eliminate arch specific code. No functional changes intended.
Signed-off-by: Alexey Makhalov <amakhalov@...are.com>
---
drivers/ptp/ptp_vmw.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/ptp/ptp_vmw.c b/drivers/ptp/ptp_vmw.c
index 27c5547aa8a9..e5bb521b9b82 100644
--- a/drivers/ptp/ptp_vmw.c
+++ b/drivers/ptp/ptp_vmw.c
@@ -14,7 +14,6 @@
#include <asm/hypervisor.h>
#include <asm/vmware.h>
-#define VMWARE_MAGIC 0x564D5868
#define VMWARE_CMD_PCLK(nr) ((nr << 16) | 97)
#define VMWARE_CMD_PCLK_GETTIME VMWARE_CMD_PCLK(0)
@@ -24,15 +23,10 @@ static struct ptp_clock *ptp_vmw_clock;
static int ptp_vmw_pclk_read(u64 *ns)
{
- u32 ret, nsec_hi, nsec_lo, unused1, unused2, unused3;
-
- asm volatile (VMWARE_HYPERCALL :
- "=a"(ret), "=b"(nsec_hi), "=c"(nsec_lo), "=d"(unused1),
- "=S"(unused2), "=D"(unused3) :
- "a"(VMWARE_MAGIC), "b"(0),
- "c"(VMWARE_CMD_PCLK_GETTIME), "d"(0) :
- "memory");
+ u32 ret, nsec_hi, nsec_lo;
+ ret = vmware_hypercall3(VMWARE_CMD_PCLK_GETTIME, 0,
+ &nsec_hi, &nsec_lo);
if (ret == 0)
*ns = ((u64)nsec_hi << 32) | nsec_lo;
return ret;
--
2.39.0
Powered by blists - more mailing lists