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ptp/vmware: Use VMware hypercall API

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BugLink: https://bugs.launchpad.net/bugs/2091941

Switch from VMWARE_HYPERCALL macro to vmware_hypercall API.
Eliminate arch specific code. No functional changes intended.

Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240613191650.9913-3-alexey.makhalov@broadcom.com
(cherry picked from commit 54651bb4dcfea0949afe72775212511ec4193b85)
Signed-off-by: Thibault Ferrante <thibault.ferrante@canonical.com>
Acked-by: Jacob Martin <jacob.martin@canonical.com>
Acked-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Signed-off-by: Mehmet Basaran <mehmet.basaran@canonical.com>
This commit is contained in:
Alexey Makhalov
2024-12-17 15:31:05 +01:00
committed by Mehmet Basaran
parent 7baf33c435
commit a2555bb8c3
1 changed files with 3 additions and 9 deletions
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drivers/ptp/ptp_vmw.c
+3 -9
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@@ -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;