Bjoern A. Zeeb 9c907eb913 bcm2835_sdhci.c: exit DMA if not enough data left to avoid timeout errors ... In the DMA case, given we disable the data interrupts, we never seem to get DATA_END. Given we are relying on DMA interrupts we are not using the SDHCI state machine and hence only call into sdhci_platform_will_handle() for the first check of data. We do not call "will handle" for any following round trips of the same transaction if block size * count > BCM_DMA_BLOCK_SIZE. Manually check "left" in the DMA interrupt handler to see if we have at least another full BCM_DMA_BLOCK_SIZE to handle. Without this change we would DMA that and then even start a DMA with left == 0 which would lead to a timeout and error. Now we re-enable data interrupts and return and let the SDHCI generic interrupt handler and state machine pick the SPACE_AVAIL up and then find that it should punt to the pio_handler for the remaining bytes or finish the data transaction. With this change block mode seems to work beyond 7 * 64byte blocks, which worked as it was below BCM_DMA_BLOCK_SIZE. MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D20199		2019-06-08 16:15:00 +00:00
..
allwinner	arm: allwinner: Remove frac mode from NM clk	2019-05-23 17:36:55 +00:00
altera/socfpga	arm: Add kern_clocksource.c directly in files.arm	2019-04-16 20:04:22 +00:00
amlogic/aml8726	Include eventhandler.h in more compilation units	2019-05-21 01:18:43 +00:00
annapurna/alpine	arm: Add kern_clocksource.c directly in files.arm	2019-04-16 20:04:22 +00:00
arm	Replace uses of vm_page_unwire(m, PQ_NONE) with vm_page_unwire_noq(m).	2019-06-07 18:23:29 +00:00
broadcom/bcm2835	bcm2835_sdhci.c: exit DMA if not enough data left to avoid timeout errors	2019-06-08 16:15:00 +00:00
cloudabi32	Remove sv_pagesize, originally introduced with r100384.	2019-03-01 16:16:38 +00:00
conf	Remove IPSEC from GENERIC due to performance issues	2019-05-09 22:38:15 +00:00
freescale	Release the bus-recovery gpio pins in detach(), so that unload then	2019-05-23 14:21:23 +00:00
include	Implement the ffs and fls functions, and their longer counterparts, in	2019-05-28 15:47:00 +00:00
mv	Extract eventfilter declarations to sys/_eventfilter.h	2019-05-20 00:38:23 +00:00
nvidia	Replace uses of vm_page_unwire(m, PQ_NONE) with vm_page_unwire_noq(m).	2019-06-07 18:23:29 +00:00
qemu	arm: Add kern_clocksource.c directly in files.arm	2019-04-16 20:04:22 +00:00
ralink	arm: Add kern_clocksource.c directly in files.arm	2019-04-16 20:04:22 +00:00
rockchip	Include eventhandler.h in more compilation units	2019-05-21 01:18:43 +00:00
samsung/exynos	arm: Add kern_clocksource.c directly in files.arm	2019-04-16 20:04:22 +00:00
ti	Include eventhandler.h in more compilation units	2019-05-21 01:18:43 +00:00
versatile	Extract eventfilter declarations to sys/_eventfilter.h	2019-05-20 00:38:23 +00:00
xilinx	arm: Add kern_clocksource.c directly in files.arm	2019-04-16 20:04:22 +00:00