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Message-Id: <20231219215751.9445-4-alexey.makhalov@broadcom.com> Date: Tue, 19 Dec 2023 13:57:48 -0800 From: Alexey Makhalov <alexey.makhalov@...adcom.com> To: linux-kernel@...r.kernel.org, virtualization@...ts.linux.dev, bp@...en8.de, hpa@...or.com, dave.hansen@...ux.intel.com, mingo@...hat.com, tglx@...utronix.de Cc: x86@...nel.org, netdev@...r.kernel.org, richardcochran@...il.com, linux-input@...r.kernel.org, dmitry.torokhov@...il.com, zackr@...are.com, linux-graphics-maintainer@...are.com, pv-drivers@...are.com, namit@...are.com, timothym@...are.com, akaher@...are.com, jsipek@...are.com, dri-devel@...ts.freedesktop.org, daniel@...ll.ch, airlied@...il.com, tzimmermann@...e.de, mripard@...nel.org, maarten.lankhorst@...ux.intel.com, horms@...nel.org, kirill.shutemov@...ux.intel.com Subject: [PATCH v3 3/6] ptp/vmware: Use vmware_hypercall API From: Alexey Makhalov <amakhalov@...are.com> 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> Reviewed-by: Nadav Amit <namit@...are.com> Reviewed-by: Jeff Sipek <jsipek@...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
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