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When handling a data irq, the sdhci driver calls the sdhci_platform_will_handle() method, to determine if it should allow the platform driver to handle the transfer or fall back to programmed I/O. While dumping, the data irq path may be invoked directly (not from an interrupt context), which the bcm2835_sdhci DMA code is not prepared to handle. Return early in this case, to force the fallback to PIO. Otherwise, the KASSERT that follows will be triggered, and the dump will fail. On non-INVARIANTS kernels, the system will hang, waiting for a DMA interrupt that will never arrive. Reviewed by: kevans MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D31893 |
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| .. | ||
| bcm283x_dwc_fdt.c | ||
| bcm2835_audio.c | ||
| bcm2835_bsc.c | ||
| bcm2835_bscreg.h | ||
| bcm2835_bscvar.h | ||
| bcm2835_clkman.c | ||
| bcm2835_clkman.h | ||
| bcm2835_cpufreq.c | ||
| bcm2835_dma.c | ||
| bcm2835_dma.h | ||
| bcm2835_fb.c | ||
| bcm2835_fbd.c | ||
| bcm2835_firmware.c | ||
| bcm2835_firmware.h | ||
| bcm2835_ft5406.c | ||
| bcm2835_gpio.c | ||
| bcm2835_intr.c | ||
| bcm2835_machdep.c | ||
| bcm2835_mbox.c | ||
| bcm2835_mbox.h | ||
| bcm2835_mbox_prop.h | ||
| bcm2835_pwm.c | ||
| bcm2835_rng.c | ||
| bcm2835_sdhci.c | ||
| bcm2835_sdhost.c | ||
| bcm2835_spi.c | ||
| bcm2835_spireg.h | ||
| bcm2835_spivar.h | ||
| bcm2835_systimer.c | ||
| bcm2835_vcbus.c | ||
| bcm2835_vcbus.h | ||
| bcm2835_vcio.c | ||
| bcm2835_wdog.c | ||
| bcm2835_wdog.h | ||
| bcm2836.c | ||
| bcm2836_mp.c | ||
| bcm2836_mp.h | ||
| bcm2838_pci.c | ||
| bcm2838_xhci.c | ||
| files.bcm283x | ||
| files.bcm2835 | ||
| files.bcm2836 | ||
| raspberrypi_gpio.c | ||
| std.bcm2835 | ||
| std.bcm2836 | ||
| std.rpi | ||
| vc_vchi_audioserv_defs.h | ||