The below patches address - memory fragmentation issues: when several iterations of mhi controller register/unregister happens. In our case, we have a PCIe WiFi device for which fw is loaded everytime when 'wifi load' happens. For this, we need to allocate 9MiB of coherent memory with 512K segment size. After several iterations, when the memory gets fragmented and 512K segment becomes unavailable causing alloc failure. - debug requirements by printing critical mhi debug registers - bug fixes to mhi_irq_handler - RDDM timeout issue - memory carveout for RDDM segments. Gokul Sriram Palanisamy (2): drivers: bus: mhi: Added shared-dma-pool support for mhi_dev bus: mhi: dump debug registers in critical sections Karthick Shanmugham (1): bus: mhi: change IRQ_HANDLED to IRQ_NONE in mhi_irq_handler Praveenkumar I (1): bus: mhi: increase RDDM timeout Rajkumar Ayyasamy (1): bus: mhi: check for RDDM cookie set by device to indicate readiness Ram Kumar D (1): bus: mhi: add support to allocate rddm memory during crash time drivers/bus/mhi/host/boot.c | 209 ++++++++++++++++++++++++-------- drivers/bus/mhi/host/init.c | 70 ++++++++++- drivers/bus/mhi/host/internal.h | 37 +++++- drivers/bus/mhi/host/main.c | 115 +++++++++++++++++- drivers/bus/mhi/host/pm.c | 6 +- include/linux/mhi.h | 20 +++ 6 files changed, 397 insertions(+), 60 deletions(-) -- 2.34.1
