From: Oded Gabbay <ogabbay@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Tomer Tayar <ttayar@habana.ai>
Subject: [PATCH 23/30] habanalabs: add missing error check in sysfs max_power_show
Date: Sat, 22 Jan 2022 21:57:24 +0200 [thread overview]
Message-ID: <20220122195731.934494-23-ogabbay@kernel.org> (raw)
In-Reply-To: <20220122195731.934494-1-ogabbay@kernel.org>
From: Tomer Tayar <ttayar@habana.ai>
Add a missing error check in the sysfs show function for max_power.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
drivers/misc/habanalabs/common/firmware_if.c | 4 ++--
drivers/misc/habanalabs/common/habanalabs.h | 2 +-
drivers/misc/habanalabs/common/sysfs.c | 2 ++
3 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 7f76f98154f0..39de9d86ee6c 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -2780,7 +2780,7 @@ void hl_fw_set_frequency(struct hl_device *hdev, u32 pll_index, u64 freq)
used_pll_idx, rc);
}
-u64 hl_fw_get_max_power(struct hl_device *hdev)
+long hl_fw_get_max_power(struct hl_device *hdev)
{
struct cpucp_packet pkt;
u64 result;
@@ -2794,7 +2794,7 @@ u64 hl_fw_get_max_power(struct hl_device *hdev)
if (rc) {
dev_err(hdev->dev, "Failed to get max power, error %d\n", rc);
- return (u64) rc;
+ return rc;
}
return result;
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h
index 9c8374d88907..995167020c27 100644
--- a/drivers/misc/habanalabs/common/habanalabs.h
+++ b/drivers/misc/habanalabs/common/habanalabs.h
@@ -3098,7 +3098,7 @@ int hl_get_current(struct hl_device *hdev, int sensor_index, u32 attr, long *val
int hl_get_fan_speed(struct hl_device *hdev, int sensor_index, u32 attr, long *value);
int hl_get_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr, long *value);
void hl_set_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr, long value);
-u64 hl_fw_get_max_power(struct hl_device *hdev);
+long hl_fw_get_max_power(struct hl_device *hdev);
void hl_fw_set_max_power(struct hl_device *hdev);
int hl_set_voltage(struct hl_device *hdev, int sensor_index, u32 attr, long value);
int hl_set_current(struct hl_device *hdev, int sensor_index, u32 attr, long value);
diff --git a/drivers/misc/habanalabs/common/sysfs.c b/drivers/misc/habanalabs/common/sysfs.c
index c665a3ac8876..9ebeb18ab85e 100644
--- a/drivers/misc/habanalabs/common/sysfs.c
+++ b/drivers/misc/habanalabs/common/sysfs.c
@@ -304,6 +304,8 @@ static ssize_t max_power_show(struct device *dev, struct device_attribute *attr,
return -ENODEV;
val = hl_fw_get_max_power(hdev);
+ if (val < 0)
+ return val;
return sprintf(buf, "%lu\n", val);
}
--
2.25.1
next prev parent reply other threads:[~2022-01-22 19:58 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-22 19:57 [PATCH 01/30] habanalabs: check the return value of hl_cs_poll_fences() Oded Gabbay
2022-01-22 19:57 ` [PATCH 02/30] habanalabs: fix race when waiting on encaps signal Oded Gabbay
2022-01-22 19:57 ` [PATCH 03/30] habanalabs: fix possible memory leak in MMU DR fini Oded Gabbay
2022-01-22 19:57 ` [PATCH 04/30] habanalabs/gaudi: disable CGM permanently Oded Gabbay
2022-01-22 19:57 ` [PATCH 05/30] habanalabs: remove ASIC functions of clock gating Oded Gabbay
2022-01-22 19:57 ` [PATCH 06/30] habanalabs: make some MMU functions common Oded Gabbay
2022-01-22 19:57 ` [PATCH 07/30] habanalabs: sysfs functions should be in sysfs.c Oded Gabbay
2022-01-22 19:57 ` [PATCH 08/30] habanalabs: get clk is common function Oded Gabbay
2022-01-22 19:57 ` [PATCH 09/30] habanalabs: remove hwmgr.c Oded Gabbay
2022-01-22 19:57 ` [PATCH 10/30] habanalabs: move more f/w functions to firmware_if.c Oded Gabbay
2022-01-22 19:57 ` [PATCH 11/30] habanalabs: remove asic callback set_pll_profile() Oded Gabbay
2022-01-22 19:57 ` [PATCH 12/30] habanalabs: rename dev_attr_grp to dev_clk_attr_grp Oded Gabbay
2022-01-22 19:57 ` [PATCH 13/30] habanalabs: add vrm version to sysfs Oded Gabbay
2022-01-22 19:57 ` [PATCH 14/30] habanalabs: remove power9 workaround for dma support Oded Gabbay
2022-01-22 19:57 ` [PATCH 15/30] habanalabs: use common wrapper for MMU cache invalidation Oded Gabbay
2022-01-22 19:57 ` [PATCH 16/30] habanalabs: sysfs support for fw os version Oded Gabbay
2022-01-22 19:57 ` [PATCH 17/30] habanalabs: there is no kernel TDR in future ASICs Oded Gabbay
2022-01-22 19:57 ` [PATCH 18/30] habanalabs: duplicate HOP table props to MMU props Oded Gabbay
2022-01-22 19:57 ` [PATCH 19/30] habanalabs: don't free phys_pg_pack inside lock Oded Gabbay
2022-01-22 19:57 ` [PATCH 20/30] habanalabs: avoid copying pll data if pll_info_get fails Oded Gabbay
2022-01-22 19:57 ` [PATCH 21/30] habanalabs: add missing error check in sysfs clk_freq_mhz_show Oded Gabbay
2022-01-22 19:57 ` [PATCH 22/30] habanalabs: fix soft reset flow in case of failure Oded Gabbay
2022-01-22 19:57 ` Oded Gabbay [this message]
2022-01-22 19:57 ` [PATCH 24/30] habanalabs: update to latest f/w specs Oded Gabbay
2022-01-22 19:57 ` [PATCH 25/30] habanalabs: expose number of user interrupts Oded Gabbay
2022-01-22 19:57 ` [PATCH 26/30] habanalabs: reject host map with mmu disabled Oded Gabbay
2022-01-22 19:57 ` [PATCH 27/30] habanalabs: fix user interrupt wait when timeout is 0 Oded Gabbay
2022-01-22 19:57 ` [PATCH 28/30] habanalabs: fix race between wait and irq Oded Gabbay
2022-01-22 19:57 ` [PATCH 29/30] habanalabs: prevent false heartbeat failure during soft-reset Oded Gabbay
2022-01-22 19:57 ` [PATCH 30/30] habanalabs: remove duplicate print Oded Gabbay
[not found] ` <20220123002722.3057-1-hdanton@sina.com>
2022-01-24 18:22 ` [PATCH 02/30] habanalabs: fix race when waiting on encaps signal Dani Liberman
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