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Date:   Fri, 17 Jul 2020 14:51:13 -0000
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To:     linux-tip-commits@vger.kernel.org
Subject: [tip: x86/platform] x86/platform/uv: Remove support for UV1 platform
 from uv_time
Cc:     Steve Wahl <steve.wahl@hpe.com>,
        Thomas Gleixner <tglx@linutronix.de>, x86 <x86@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
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The following commit has been merged into the x86/platform branch of tip:

Commit-ID:     8b3c9b160648ceb9ec4068080fd055fdc04e35a7
Gitweb:        https://git.kernel.org/tip/8b3c9b160648ceb9ec4068080fd055fdc04e35a7
Author:        steve.wahl@hpe.com <steve.wahl@hpe.com>
AuthorDate:    Mon, 13 Jul 2020 16:29:55 -05:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Fri, 17 Jul 2020 16:47:43 +02:00

x86/platform/uv: Remove support for UV1 platform from uv_time

UV1 is not longer supported

Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200713212954.610885520@hpe.com

---
 arch/x86/platform/uv/uv_time.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/arch/x86/platform/uv/uv_time.c b/arch/x86/platform/uv/uv_time.c
index 7af31b2..f82a133 100644
--- a/arch/x86/platform/uv/uv_time.c
+++ b/arch/x86/platform/uv/uv_time.c
@@ -74,7 +74,6 @@ static void uv_rtc_send_IPI(int cpu)
 
 	apicid = cpu_physical_id(cpu);
 	pnode = uv_apicid_to_pnode(apicid);
-	apicid |= uv_apicid_hibits;
 	val = (1UL << UVH_IPI_INT_SEND_SHFT) |
 	      (apicid << UVH_IPI_INT_APIC_ID_SHFT) |
 	      (X86_PLATFORM_IPI_VECTOR << UVH_IPI_INT_VECTOR_SHFT);
@@ -85,10 +84,7 @@ static void uv_rtc_send_IPI(int cpu)
 /* Check for an RTC interrupt pending */
 static int uv_intr_pending(int pnode)
 {
-	if (is_uv1_hub())
-		return uv_read_global_mmr64(pnode, UVH_EVENT_OCCURRED0) &
-			UV1H_EVENT_OCCURRED0_RTC1_MASK;
-	else if (is_uvx_hub())
+	if (is_uvx_hub())
 		return uv_read_global_mmr64(pnode, UVXH_EVENT_OCCURRED2) &
 			UVXH_EVENT_OCCURRED2_RTC_1_MASK;
 	return 0;
@@ -98,19 +94,15 @@ static int uv_intr_pending(int pnode)
 static int uv_setup_intr(int cpu, u64 expires)
 {
 	u64 val;
-	unsigned long apicid = cpu_physical_id(cpu) | uv_apicid_hibits;
+	unsigned long apicid = cpu_physical_id(cpu);
 	int pnode = uv_cpu_to_pnode(cpu);
 
 	uv_write_global_mmr64(pnode, UVH_RTC1_INT_CONFIG,
 		UVH_RTC1_INT_CONFIG_M_MASK);
 	uv_write_global_mmr64(pnode, UVH_INT_CMPB, -1L);
 
-	if (is_uv1_hub())
-		uv_write_global_mmr64(pnode, UVH_EVENT_OCCURRED0_ALIAS,
-				UV1H_EVENT_OCCURRED0_RTC1_MASK);
-	else
-		uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
-				UVXH_EVENT_OCCURRED2_RTC_1_MASK);
+	uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
+			      UVXH_EVENT_OCCURRED2_RTC_1_MASK);
 
 	val = (X86_PLATFORM_IPI_VECTOR << UVH_RTC1_INT_CONFIG_VECTOR_SHFT) |
 		((u64)apicid << UVH_RTC1_INT_CONFIG_APIC_ID_SHFT);