[PATCH v6 0/2] Polling for MHI ready

From: Bhaumik Bhatt
Date: Wed Mar 31 2021 - 14:35:50 EST


v6:
-Fix return error code for mhi_poll_reg_field()
-Do not recode when returning from mhi_ready_state_transition() if polling fails

v5:
-Use fsleep in place of udelay or usleep_range to accommodate better delay use
-Drop patch for polling during RDDM panic path as new API cannot be used there

v4:
-Added reviewed-by tag
-Return appropriate error code from mhi_poll_reg_field()
-Fixed bug where mhi_poll_reg_field() returns success if polling times out
-Added an interval_us variable in mhi_ready_state_transition()

v3:
-Removed config changes that crept in in the first patch

v2:
-Addressed review comments
-Introduce new patch for to use controller defined read_reg() for polling
-Add usage in RDDM download panic path as well

Bhaumik Bhatt (2):
bus: mhi: core: Introduce internal register poll helper function
bus: mhi: core: Move to polling method to wait for MHI ready

drivers/bus/mhi/core/internal.h | 3 +++
drivers/bus/mhi/core/main.c | 23 +++++++++++++++++++++++
drivers/bus/mhi/core/pm.c | 34 ++++++++++++++++------------------
3 files changed, 42 insertions(+), 18 deletions(-)

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