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mhi: controller: qcom: add debug mode parameter for debug control

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Adding debug mode to enable MHI to operate in debug mode.

CRs-Fixed: 2281252
Change-Id: I9bfb5d2c809def6ca072359563871a1afbb52111
Signed-off-by: Sujeev Dias <sdias@codeaurora.org>
This commit is contained in:
Sujeev Dias 2018-07-06 12:56:30 -07:00 committed by Gerrit - the friendly Code Review server
parent a44dccd806
commit 75998d34eb
1 changed files with 11 additions and 4 deletions
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15
drivers/bus/mhi/controllers/mhi_qcom.c
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@ -37,6 +37,9 @@ static const struct firmware_info firmware_table[] = {
{.fw_image = "debug.mbn"},
};
static int debug_mode;
module_param_named(debug_mode, debug_mode, int, 0644);
void mhi_deinit_pci_dev(struct mhi_controller *mhi_cntrl)
{
struct mhi_dev *mhi_dev = mhi_controller_get_devdata(mhi_cntrl);
@ -420,7 +423,9 @@ static struct mhi_controller *mhi_register_controller(struct pci_dev *pci_dev)
for (i = 0; i < ARRAY_SIZE(firmware_table); i++) {
firmware_info = firmware_table + i;
if (mhi_cntrl->dev_id == firmware_info->dev_id)
/* debug mode always use default */
if (!debug_mode && mhi_cntrl->dev_id == firmware_info->dev_id)
break;
}
@ -470,9 +475,11 @@ int mhi_pci_probe(struct pci_dev *pci_dev,
goto error_init_pci;
/* start power up sequence */
ret = mhi_async_power_up(mhi_cntrl);
if (ret)
goto error_power_up;
if (!debug_mode) {
ret = mhi_async_power_up(mhi_cntrl);
if (ret)
goto error_power_up;
}
pm_runtime_mark_last_busy(&pci_dev->dev);
pm_runtime_allow(&pci_dev->dev);