andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Tegra186: mce: use udelay() to calculate timeouts 

This patch modifies the timeout loop to use udelay() instead of
mdelay(). This helps with the boot time on some platforms which
issue a lot of MCE calls and every mdelay adds up increasing the
boot time by a lot.

Change-Id: Ic50081b73e1cbc2714361235b5c396e294b8f752
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
This commit is contained in:
Varun Wadekar 2017-08-31 17:14:22 -07:00
parent 8dc9278382
commit f9f620d6ac
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
View File

@ -35,8 +35,8 @@
#define ARI_REQUEST_VALID_BIT (1U << 8)
#define ARI_EVT_MASK_STANDBYWFI_BIT (1U << 7)
/* default timeout (ms) to wait for ARI completion */
#define ARI_MAX_RETRY_COUNT 2000
/* default timeout (us) to wait for ARI completion */
#define ARI_MAX_RETRY_COUNT U(2000000)
/*******************************************************************************
* ARI helper functions
@ -80,7 +80,7 @@ static inline void ari_clobber_response(uint32_t ari_base)
static int32_t ari_request_wait(uint32_t ari_base, uint32_t evt_mask, uint32_t req,
uint32_t lo, uint32_t hi)
{
uint32_t retries = ARI_MAX_RETRY_COUNT;
uint32_t retries = (uint32_t)ARI_MAX_RETRY_COUNT;
uint32_t status;
int32_t ret = 0;
@ -115,8 +115,8 @@ static int32_t ari_request_wait(uint32_t ari_base, uint32_t evt_mask, uint32_t r
break;
}
/* delay 1 ms */
mdelay(1);
/* delay 1 us */
udelay(1);
/* decrement the retry count */
retries--;