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msm: ipa4: Fix to mask the global interrupt INT1

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Receiving the global interrupt INT1 without sending any
generic commands. So disabling interrupt by default.
Enabling the interrupt only before sending the generic command.

Change-Id: I55011933d92d29e19cc478ed1dbea9d08b95d239
Signed-off-by: Ashok Vuyyuru <avuyyuru@codeaurora.org>
This commit is contained in:
Ashok Vuyyuru
2020-02-17 15:54:17 +05:30
parent 8ca7410b47
commit a2aa9f1235
1 changed files with 20 additions and 0 deletions
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20
drivers/platform/msm/gsi/gsi.c
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@@ -1298,9 +1298,17 @@ int gsi_register_device(struct gsi_per_props *props, unsigned long *dev_hdl)
__gsi_config_evt_irq(props->ee, ~0, ~0);
__gsi_config_ieob_irq(props->ee, ~0, ~0);
__gsi_config_glob_irq(props->ee, ~0, ~0);
/*
* Disabling global INT1 interrupt by default and enable it
* onlt when sending the generic command.
*/
__gsi_config_gen_irq(props->ee, ~0,
~GSI_EE_n_CNTXT_GSI_IRQ_CLR_GSI_BREAK_POINT_BMSK);
__gsi_config_glob_irq(props->ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, 0);
gsi_writel(props->intr, gsi_ctx->base +
GSI_EE_n_CNTXT_INTSET_OFFS(gsi_ctx->per.ee));
/* set GSI_TOP_EE_n_CNTXT_MSI_BASE_LSB/MSB to 0 */
@@ -4316,6 +4324,8 @@ int gsi_halt_channel_ee(unsigned int chan_idx, unsigned int ee, int *code)
}
mutex_lock(&gsi_ctx->mlock);
__gsi_config_glob_irq(gsi_ctx->per.ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, ~0);
reinit_completion(&gsi_ctx->gen_ee_cmd_compl);
/* invalidate the response */
@@ -4361,6 +4371,8 @@ int gsi_halt_channel_ee(unsigned int chan_idx, unsigned int ee, int *code)
res = GSI_STATUS_SUCCESS;
*code = gsi_ctx->scratch.word0.s.generic_ee_cmd_return_code;
free_lock:
__gsi_config_glob_irq(gsi_ctx->per.ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, 0);
mutex_unlock(&gsi_ctx->mlock);
return res;
@@ -4383,6 +4395,8 @@ int gsi_alloc_channel_ee(unsigned int chan_idx, unsigned int ee, int *code)
return gsi_alloc_ap_channel(chan_idx);
mutex_lock(&gsi_ctx->mlock);
__gsi_config_glob_irq(gsi_ctx->per.ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, ~0);
reinit_completion(&gsi_ctx->gen_ee_cmd_compl);
/* invalidate the response */
@@ -4430,6 +4444,8 @@ int gsi_alloc_channel_ee(unsigned int chan_idx, unsigned int ee, int *code)
res = GSI_STATUS_SUCCESS;
*code = gsi_ctx->scratch.word0.s.generic_ee_cmd_return_code;
free_lock:
__gsi_config_glob_irq(gsi_ctx->per.ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, 0);
mutex_unlock(&gsi_ctx->mlock);
return res;
@@ -4455,6 +4471,8 @@ int gsi_enable_flow_control_ee(unsigned int chan_idx, unsigned int ee,
}
mutex_lock(&gsi_ctx->mlock);
__gsi_config_glob_irq(gsi_ctx->per.ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, ~0);
reinit_completion(&gsi_ctx->gen_ee_cmd_compl);
/* invalidate the response */
@@ -4521,6 +4539,8 @@ int gsi_enable_flow_control_ee(unsigned int chan_idx, unsigned int ee,
}
*code = gsi_ctx->scratch.word0.s.generic_ee_cmd_return_code;
free_lock:
__gsi_config_glob_irq(gsi_ctx->per.ee,
GSI_EE_n_CNTXT_GLOB_IRQ_EN_GP_INT1_BMSK, 0);
mutex_unlock(&gsi_ctx->mlock);
return res;