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net: ipa: change GSI command timeout

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The GSI command timeout is currently 5 seconds, which is much higher
than it should be.

Express the timeout in milliseconds rather than seconds, and reduce
it to 50 milliseconds.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alex Elder 2021-01-13 11:15:30 -06:00 committed by Jakub Kicinski
parent 74401946bd
commit 59b5f45496
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ipa/gsi.c
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@ -89,7 +89,7 @@
/* Delay period for interrupt moderation (in 32KHz IPA internal timer ticks) */
#define GSI_EVT_RING_INT_MODT (32 * 1) /* 1ms under 32KHz clock */
#define GSI_CMD_TIMEOUT 5 /* seconds */
#define GSI_CMD_TIMEOUT 50 /* milliseconds */
#define GSI_CHANNEL_STOP_RX_RETRIES 10
#define GSI_CHANNEL_MODEM_HALT_RETRIES 10
@ -359,11 +359,13 @@ static u32 gsi_ring_index(struct gsi_ring *ring, u32 offset)
static bool
gsi_command(struct gsi *gsi, u32 reg, u32 val, struct completion *completion)
{
unsigned long timeout = msecs_to_jiffies(GSI_CMD_TIMEOUT);
reinit_completion(completion);
iowrite32(val, gsi->virt + reg);
return !!wait_for_completion_timeout(completion, GSI_CMD_TIMEOUT * HZ);
return !!wait_for_completion_timeout(completion, timeout);
}
/* Return the hardware's notion of the current state of an event ring */