From: Ariel Suller <asuller@habana.ai>
Date: Thu, 23 Nov 2023 14:27:07 +0000 (+0200)
Subject: accel/habanalabs: report 3 instances of Infineon second stage
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d980e1ced9899451d2d2a84030ce9f2a04eae7e8;p=linux.git

accel/habanalabs: report 3 instances of Infineon second stage

Infineon controller second stage has 3 instances that their version
need to be reported by driver.

Signed-off-by: Ariel Suller <asuller@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---

diff --git a/drivers/accel/habanalabs/common/sysfs.c b/drivers/accel/habanalabs/common/sysfs.c
index 8d2164691d817..c940c5f1d109e 100644
--- a/drivers/accel/habanalabs/common/sysfs.c
+++ b/drivers/accel/habanalabs/common/sysfs.c
@@ -8,6 +8,7 @@
 #include "habanalabs.h"
 
 #include <linux/pci.h>
+#include <linux/types.h>
 
 static ssize_t clk_max_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -80,12 +81,27 @@ static ssize_t vrm_ver_show(struct device *dev, struct device_attribute *attr, c
 {
 	struct hl_device *hdev = dev_get_drvdata(dev);
 	struct cpucp_info *cpucp_info;
+	u32 infineon_second_stage_version;
+	u32 infineon_second_stage_first_instance;
+	u32 infineon_second_stage_second_instance;
+	u32 infineon_second_stage_third_instance;
+	u32 mask = 0xff;
 
 	cpucp_info = &hdev->asic_prop.cpucp_info;
 
+	infineon_second_stage_version = le32_to_cpu(cpucp_info->infineon_second_stage_version);
+	infineon_second_stage_first_instance = infineon_second_stage_version & mask;
+	infineon_second_stage_second_instance =
+					(infineon_second_stage_version >> 8) & mask;
+	infineon_second_stage_third_instance =
+					(infineon_second_stage_version >> 16) & mask;
+
 	if (cpucp_info->infineon_second_stage_version)
-		return sprintf(buf, "%#04x %#04x\n", le32_to_cpu(cpucp_info->infineon_version),
-				le32_to_cpu(cpucp_info->infineon_second_stage_version));
+		return sprintf(buf, "%#04x %#04x:%#04x:%#04x\n",
+				le32_to_cpu(cpucp_info->infineon_version),
+				infineon_second_stage_first_instance,
+				infineon_second_stage_second_instance,
+				infineon_second_stage_third_instance);
 	else
 		return sprintf(buf, "%#04x\n", le32_to_cpu(cpucp_info->infineon_version));
 }