Merge 54a42cb3 on remote branch

CONFIG_SPMI=y

CONFIG_PINCTRL_QCOM_SPMI_PMIC=y

CONFIG_PINCTRL_BENGAL=y

CONFIG_PINCTRL_KHAJE=y

CONFIG_PINCTRL_SCUBA=y

CONFIG_GPIO_SYSFS=y

CONFIG_POWER_RESET_QCOM=y

CONFIG_NOP_USB_XCEIV=y

CONFIG_USB_MSM_SSPHY_QMP=y

CONFIG_MSM_QUSB_PHY=y

CONFIG_MSM_HSUSB_PHY=y

CONFIG_USB_QCOM_EMU_PHY=y

CONFIG_USB_GADGET=y

CONFIG_USB_GADGET_VBUS_DRAW=900

CONFIG_QM_DISPCC_SCUBA=y

CONFIG_QM_GPUCC_SCUBA=y

CONFIG_QM_DEBUGCC_SCUBA=y

CONFIG_SM_GPUCC_KHAJE=y

CONFIG_SM_DISPCC_KHAJE=y

CONFIG_SM_DEBUGCC_KHAJE=y

CONFIG_HWSPINLOCK=y

CONFIG_HWSPINLOCK_QCOM=y

CONFIG_MAILBOX=y

CONFIG_SPMI=y

CONFIG_PINCTRL_QCOM_SPMI_PMIC=y

CONFIG_PINCTRL_BENGAL=y

CONFIG_PINCTRL_KHAJE=y

CONFIG_PINCTRL_SCUBA=y

CONFIG_GPIO_SYSFS=y

CONFIG_POWER_RESET_QCOM=y

CONFIG_NOP_USB_XCEIV=y

CONFIG_USB_MSM_SSPHY_QMP=y

CONFIG_MSM_QUSB_PHY=y

CONFIG_MSM_HSUSB_PHY=y

CONFIG_USB_QCOM_EMU_PHY=y

CONFIG_USB_GADGET=y

CONFIG_USB_GADGET_VBUS_DRAW=900

CONFIG_QM_DISPCC_SCUBA=y

CONFIG_QM_GPUCC_SCUBA=y

CONFIG_QM_DEBUGCC_SCUBA=y

CONFIG_SM_GPUCC_KHAJE=y

CONFIG_SM_DISPCC_KHAJE=y

CONFIG_SM_DEBUGCC_KHAJE=y

CONFIG_HWSPINLOCK=y

CONFIG_HWSPINLOCK_QCOM=y

CONFIG_MAILBOX=y

CONFIG_IKHEADERS=y

CONFIG_LOG_CPU_MAX_BUF_SHIFT=17

CONFIG_BLK_CGROUP=y

CONFIG_DEBUG_BLK_CGROUP=y

CONFIG_CGROUP_FREEZER=y

CONFIG_CPUSETS=y

CONFIG_CGROUP_CPUACCT=y

CONFIG_CPU_BOOST=y

CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y

CONFIG_CPU_FREQ_MSM=y

CONFIG_MSM_TZ_LOG=y

CONFIG_ARM64_CRYPTO=y

CONFIG_CRYPTO_SHA1_ARM64_CE=y

CONFIG_CRYPTO_SHA2_ARM64_CE=y

CONFIG_SCSI_UFSHCD=y

CONFIG_SCSI_UFSHCD_PLATFORM=y

CONFIG_SCSI_UFS_QCOM=y

CONFIG_SCSI_UFSHCD_CMD_LOGGING=y

CONFIG_SCSI_UFS_CRYPTO=y

CONFIG_SCSI_UFS_CRYPTO_QTI=y

CONFIG_MD=y

CONFIG_EXT4_ENCRYPTION=y

CONFIG_F2FS_FS=y

CONFIG_F2FS_FS_SECURITY=y

CONFIG_F2FS_CHECK_FS=y

CONFIG_F2FS_FS_ENCRYPTION=y

CONFIG_FS_ENCRYPTION_INLINE_CRYPT=y

CONFIG_FS_VERITY=y

CONFIG_CRYPTO_DEV_QCEDEV=y

CONFIG_CRYPTO_DEV_QCOM_ICE=y

CONFIG_PRINTK_TIME=y

CONFIG_DEBUG_CONSOLE_UNHASHED_POINTERS=y

CONFIG_DEBUG_MODULE_LOAD_INFO=y

CONFIG_DEBUG_INFO=y

CONFIG_DEBUG_FS=y

CONFIG_DEBUG_SECTION_MISMATCH=y

CONFIG_MAGIC_SYSRQ=y

CONFIG_DEBUG_PANIC_ON_OOM=y

CONFIG_PANIC_ON_OOPS=y

CONFIG_PANIC_TIMEOUT=5

CONFIG_SCHEDSTATS=y

# CONFIG_DEBUG_PREEMPT is not set

CONFIG_LOCK_TORTURE_TEST=m

CONFIG_DEBUG_SG=y

CONFIG_DEBUG_NOTIFIERS=y

CONFIG_DEBUG_CREDENTIALS=y

CONFIG_IPC_LOGGING=y

CONFIG_PREEMPTIRQ_EVENTS=y

CONFIG_ATOMIC64_SELFTEST=m

CONFIG_BUG_ON_DATA_CORRUPTION=y

CONFIG_CORESIGHT=y

CONFIG_CORESIGHT_LINK_AND_SINK_TMC=y

// SPDX-License-Identifier: GPL-2.0-only

/* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. */

/* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved. */

#include <linux/debugfs.h>

#include <linux/device.h>

		mhi_tre->dword[0] =

			MHI_RSCTRE_DATA_DWORD0(buf_ring->wp - buf_ring->base);

		mhi_tre->dword[1] = MHI_RSCTRE_DATA_DWORD1;

		/*

		 * on RSC channel IPA HW has a minimum credit requirement before

		 * switching to DB mode

		 */

		n_free_tre = mhi_get_no_free_descriptors(mhi_dev,

				DMA_FROM_DEVICE);

		n_queued_tre = tre_ring->elements - n_free_tre;

		read_lock_bh(&mhi_chan->lock);

		if (mhi_chan->db_cfg.db_mode &&

				n_queued_tre < MHI_RSC_MIN_CREDITS)

			ring_db = false;

		read_unlock_bh(&mhi_chan->lock);

	} else {

		mhi_tre->ptr = MHI_TRE_DATA_PTR(buf_info->p_addr);

		mhi_tre->dword[0] = MHI_TRE_DATA_DWORD0(buf_info->len);

	if (mhi_chan->dir == DMA_TO_DEVICE)

		atomic_inc(&mhi_cntrl->pending_pkts);

	if (likely(MHI_DB_ACCESS_VALID(mhi_cntrl)) && ring_db) {

	read_lock_bh(&mhi_chan->lock);

	if (mhi_chan->xfer_type == MHI_XFER_RSC_DMA) {

		/*

		 * on RSC channel IPA HW has a minimum credit requirement before

		 * switching to DB mode

		 */

		n_free_tre = mhi_get_no_free_descriptors(mhi_dev,

				DMA_FROM_DEVICE);

		n_queued_tre = tre_ring->elements - n_free_tre;

		if (mhi_chan->db_cfg.db_mode &&

				n_queued_tre < MHI_RSC_MIN_CREDITS)

			ring_db = false;

	}

	if (likely(MHI_DB_ACCESS_VALID(mhi_cntrl)) && ring_db)

		mhi_ring_chan_db(mhi_cntrl, mhi_chan);

	read_unlock_bh(&mhi_chan->lock);

	}

	read_unlock_bh(&mhi_cntrl->pm_lock);

		break;

	default:

		err = -ENOTTY;

		pr_info("bad ioctl: %d\n", ioctl_num);

		break;

	}

 bail: