1866368a8a
LS1088A is an ARMv8 implementation combining eight ARM A53 processor cores. The LS1088ARDB is an evaluatoin platform that supports the LS1088A family SoCs. Features summary: - Eight 64-bit ARM v8 Cortex-A53 CPUs - Data path acceleration architecture 2.0 (DPAA2) - Ethernet interfaces - QUADSPI flash, 3 PCIe, 2 USB, 1 SD, 2 DUARTs etc Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>
89 lines
2.8 KiB
Diff
89 lines
2.8 KiB
Diff
From 71d19cd1107fa435d056e08e7d7ef7d8f714cf35 Mon Sep 17 00:00:00 2001
|
|
From: Lijun Pan <Lijun.Pan@freescale.com>
|
|
Date: Fri, 31 Jul 2015 15:07:32 -0500
|
|
Subject: [PATCH 195/226] increment MC_CMD_COMPLETION_TIMEOUT_MS
|
|
|
|
5000ms is barely enough for dpsw/dpdmux creation.
|
|
If MC firmware could run faster, we would decrement the value later on.
|
|
|
|
Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com>
|
|
(Stuart: resolved merge conflict)
|
|
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
|
|
---
|
|
drivers/staging/fsl-mc/bus/mc-sys.c | 38 +++++++++++++++--------------------
|
|
1 file changed, 16 insertions(+), 22 deletions(-)
|
|
|
|
--- a/drivers/staging/fsl-mc/bus/mc-sys.c
|
|
+++ b/drivers/staging/fsl-mc/bus/mc-sys.c
|
|
@@ -43,8 +43,10 @@
|
|
|
|
/**
|
|
* Timeout in milliseconds to wait for the completion of an MC command
|
|
+ * 5000 ms is barely enough for dpsw/dpdmux creation
|
|
+ * TODO: if MC firmware could response faster, we should decrease this value
|
|
*/
|
|
-#define MC_CMD_COMPLETION_TIMEOUT_MS 500
|
|
+#define MC_CMD_COMPLETION_TIMEOUT_MS 5000
|
|
|
|
/*
|
|
* usleep_range() min and max values used to throttle down polling
|
|
@@ -327,17 +329,8 @@ static int mc_polling_wait_preemptible(s
|
|
usleep_range(MC_CMD_COMPLETION_POLLING_MIN_SLEEP_USECS,
|
|
MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS);
|
|
|
|
- if (time_after_eq(jiffies, jiffies_until_timeout)) {
|
|
- dev_dbg(mc_io->dev,
|
|
- "MC command timed out (portal: %#llx, obj handle: %#x, command: %#x)\n",
|
|
- mc_io->portal_phys_addr,
|
|
- (unsigned int)
|
|
- MC_CMD_HDR_READ_TOKEN(cmd->header),
|
|
- (unsigned int)
|
|
- MC_CMD_HDR_READ_CMDID(cmd->header));
|
|
-
|
|
+ if (time_after_eq(jiffies, jiffies_until_timeout))
|
|
return -ETIMEDOUT;
|
|
- }
|
|
}
|
|
|
|
*mc_status = status;
|
|
@@ -369,17 +362,8 @@ static int mc_polling_wait_atomic(struct
|
|
|
|
udelay(MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS);
|
|
timeout_usecs -= MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS;
|
|
- if (timeout_usecs == 0) {
|
|
- dev_dbg(mc_io->dev,
|
|
- "MC command timed out (portal: %#llx, obj handle: %#x, command: %#x)\n",
|
|
- mc_io->portal_phys_addr,
|
|
- (unsigned int)
|
|
- MC_CMD_HDR_READ_TOKEN(cmd->header),
|
|
- (unsigned int)
|
|
- MC_CMD_HDR_READ_CMDID(cmd->header));
|
|
-
|
|
+ if (timeout_usecs == 0)
|
|
return -ETIMEDOUT;
|
|
- }
|
|
}
|
|
|
|
*mc_status = status;
|
|
@@ -422,9 +406,19 @@ int mc_send_command(struct fsl_mc_io *mc
|
|
else
|
|
error = mc_polling_wait_atomic(mc_io, cmd, &status);
|
|
|
|
- if (error < 0)
|
|
+ if (error < 0) {
|
|
+ if (error == -ETIMEDOUT) {
|
|
+ pr_debug("MC command timed out (portal: %#llx, obj handle: %#x, command: %#x)\n",
|
|
+ mc_io->portal_phys_addr,
|
|
+ (unsigned int)
|
|
+ MC_CMD_HDR_READ_TOKEN(cmd->header),
|
|
+ (unsigned int)
|
|
+ MC_CMD_HDR_READ_CMDID(cmd->header));
|
|
+ }
|
|
goto common_exit;
|
|
|
|
+ }
|
|
+
|
|
if (status != MC_CMD_STATUS_OK) {
|
|
dev_dbg(mc_io->dev,
|
|
"MC command failed: portal: %#llx, obj handle: %#x, command: %#x, status: %s (%#x)\n",
|