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msm: gsi: dump channel information

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Dump channel information when stop channel fails.

Change-Id: I39ef3338c9e7e968ee6a592debc23edbff9f8fc8
Signed-off-by: Chaitanya Pratapa <cpratapa@codeaurora.org>
This commit is contained in:
Chaitanya Pratapa 2020-08-21 12:35:54 -07:00
commit 4e3719b0fc
1 changed files with 73 additions and 1 deletions
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74
drivers/platform/msm/gsi/gsi.c
View file

@ -3124,6 +3124,77 @@ int gsi_start_channel(unsigned long chan_hdl)
}
EXPORT_SYMBOL(gsi_start_channel);
static void gsi_dump_ch(unsigned long chan_hdl)
{
uint32_t val;
if (!gsi_ctx) {
pr_err("%s:%d gsi context not allocated\n", __func__, __LINE__);
return;
}
if (chan_hdl >= gsi_ctx->max_ch) {
GSIDBG("invalid chan id %u\n", chan_hdl);
return;
}
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_0_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX0 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_1_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX1 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_2_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX2 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_3_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX3 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_4_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX4 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_5_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX5 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_6_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX6 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_CNTXT_7_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d CTX7 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_RE_FETCH_READ_PTR_OFFS(chan_hdl,
gsi_ctx->per.ee));
GSIERR("CH%2d REFRP 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_RE_FETCH_WRITE_PTR_OFFS(chan_hdl,
gsi_ctx->per.ee));
GSIERR("CH%2d REFWP 0x%x\n", chan_hdl, val);
if (gsi_ctx->per.ver >= GSI_VER_2_5) {
val = gsi_readl(gsi_ctx->base +
GSI_V2_5_EE_n_GSI_CH_k_QOS_OFFS(chan_hdl, gsi_ctx->per.ee));
} else {
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_QOS_OFFS(chan_hdl, gsi_ctx->per.ee));
}
GSIERR("CH%2d QOS 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_SCRATCH_0_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d SCR0 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_SCRATCH_1_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d SCR1 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_SCRATCH_2_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d SCR2 0x%x\n", chan_hdl, val);
val = gsi_readl(gsi_ctx->base +
GSI_EE_n_GSI_CH_k_SCRATCH_3_OFFS(chan_hdl, gsi_ctx->per.ee));
GSIERR("CH%2d SCR3 0x%x\n", chan_hdl, val);
return;
}
int gsi_stop_channel(unsigned long chan_hdl)
{
enum gsi_ch_cmd_opcode op = GSI_CH_STOP;
@ -3176,7 +3247,7 @@ int gsi_stop_channel(unsigned long chan_hdl)
gsi_writel(val, gsi_ctx->base +
GSI_EE_n_GSI_CH_CMD_OFFS(gsi_ctx->per.ee));
GSIDBG("GSI Channel Stop, waiting for completion\n");
GSIDBG("GSI Channel Stop, waiting for completion: 0x%x\n", val);
gsi_channel_state_change_wait(chan_hdl,
ctx,
GSI_STOP_CMD_TIMEOUT_MS, op);
@ -3184,6 +3255,7 @@ int gsi_stop_channel(unsigned long chan_hdl)
if (ctx->state != GSI_CHAN_STATE_STOPPED &&
ctx->state != GSI_CHAN_STATE_STOP_IN_PROC) {
GSIERR("chan=%lu unexpected state=%u\n", chan_hdl, ctx->state);
gsi_dump_ch(chan_hdl);
res = -GSI_STATUS_BAD_STATE;
BUG();
goto free_lock;