Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-25 20:32:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

accel/habanalabs: fix use of var reset_sleep_ms

Browse Source 
- remove reset_sleep_ms arg from functions that don't use it.
- move the call msleep(reset_sleep_ms) from btm poll to gaudi2_hw_fini
as it is called from there already for other flow.

Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Dafna Hirschfeld 2023-03-08 13:22:17 +02:00 committed by Oded Gabbay
parent 077a39fabe
commit f8d139a71b
1 changed files with 16 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/accel/habanalabs/gaudi2/gaudi2.c
View File

@ -6014,11 +6014,10 @@ static void gaudi2_send_hard_reset_cmd(struct hl_device *hdev)
* gaudi2_execute_hard_reset - execute hard reset by driver/FW
*
* @hdev: pointer to the habanalabs device structure
* @reset_sleep_ms: sleep time in msec after reset
*
* This function executes hard reset based on if driver/FW should do the reset
*/
static void gaudi2_execute_hard_reset(struct hl_device *hdev, u32 reset_sleep_ms)
static void gaudi2_execute_hard_reset(struct hl_device *hdev)
{
if (hdev->asic_prop.hard_reset_done_by_fw) {
gaudi2_send_hard_reset_cmd(hdev);
@ -6060,14 +6059,13 @@ static int gaudi2_get_soft_rst_done_indication(struct hl_device *hdev, u32 poll_
* gaudi2_execute_soft_reset - execute soft reset by driver/FW
*
* @hdev: pointer to the habanalabs device structure
* @reset_sleep_ms: sleep time in msec after reset
* @driver_performs_reset: true if driver should perform reset instead of f/w.
* @poll_timeout_us: time to wait for response from f/w.
*
* This function executes soft reset based on if driver/FW should do the reset
*/
static int gaudi2_execute_soft_reset(struct hl_device *hdev, u32 reset_sleep_ms,
bool driver_performs_reset, u32 poll_timeout_us)
static int gaudi2_execute_soft_reset(struct hl_device *hdev, bool driver_performs_reset,
u32 poll_timeout_us)
{
struct cpu_dyn_regs *dyn_regs = &hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs;
@ -6099,15 +6097,11 @@ static int gaudi2_execute_soft_reset(struct hl_device *hdev, u32 reset_sleep_ms,
return 0;
}
static void gaudi2_poll_btm_indication(struct hl_device *hdev, u32 reset_sleep_ms,
u32 poll_timeout_us)
static void gaudi2_poll_btm_indication(struct hl_device *hdev, u32 poll_timeout_us)
{
int i, rc = 0;
u32 reg_val;
/* without this sleep reset will not work */
msleep(reset_sleep_ms);
/* We poll the BTM done indication multiple times after reset due to
* a HW errata 'GAUDI2_0300'
*/
@ -6129,6 +6123,7 @@ static int gaudi2_hw_fini(struct hl_device *hdev, bool hard_reset, bool fw_reset
struct gaudi2_device *gaudi2 = hdev->asic_specific;
u32 poll_timeout_us, reset_sleep_ms;
bool driver_performs_reset = false;
int rc;
if (hdev->pldm) {
reset_sleep_ms = hard_reset ? GAUDI2_PLDM_HRESET_TIMEOUT_MSEC :
@ -6146,7 +6141,7 @@ static int gaudi2_hw_fini(struct hl_device *hdev, bool hard_reset, bool fw_reset
if (hard_reset) {
driver_performs_reset = !hdev->asic_prop.hard_reset_done_by_fw;
gaudi2_execute_hard_reset(hdev, reset_sleep_ms);
gaudi2_execute_hard_reset(hdev);
} else {
/*
* As we have to support also work with preboot only (which does not supports
@ -6156,8 +6151,9 @@ static int gaudi2_hw_fini(struct hl_device *hdev, bool hard_reset, bool fw_reset
*/
driver_performs_reset = (hdev->fw_components == FW_TYPE_PREBOOT_CPU &&
!hdev->asic_prop.fw_security_enabled);
gaudi2_execute_soft_reset(hdev, reset_sleep_ms, driver_performs_reset,
poll_timeout_us);
rc = gaudi2_execute_soft_reset(hdev, driver_performs_reset, poll_timeout_us);
if (rc)
return rc;
}
skip_reset:
@ -6181,12 +6177,14 @@ skip_reset:
* communicate with FW that is during reset.
* to overcome this we will always wait to preboot ready indication
*/
if ((hdev->fw_components & FW_TYPE_PREBOOT_CPU)) {
msleep(reset_sleep_ms);
/* without this sleep reset will not work */
msleep(reset_sleep_ms);
if (hdev->fw_components & FW_TYPE_PREBOOT_CPU)
hl_fw_wait_preboot_ready(hdev);
} else {
gaudi2_poll_btm_indication(hdev, reset_sleep_ms, poll_timeout_us);
}
else
gaudi2_poll_btm_indication(hdev, poll_timeout_us);
}
if (!gaudi2)