Other Parts Discussed in Thread: AM3352, TPS65910, TX12, WL1835
Tool/software: Linux
hi
i used the mmc to connect to the SDIO wifi.but when boot ,the message tell me dma failed.but the am33xx-dtsi show the mmc3 do not have the dma,why it happend?
[ 12.798312] omap_hsmmc 47810000.mmc: [huzz]drivers/mmc/host/omap_hsmmc.c:omap_hsmmc_dma_init
[ 12.806841] omap_hsmmc 47810000.mmc: RX DMA channel request failed
mmc2: mmc@481d8000 {
compatible = "ti,omap4-hsmmc";
ti,hwmods = "mmc2";
ti,needs-special-reset;
dmas = <&edma 2
&edma 3>;
dma-names = "tx", "rx";
interrupts = <28>;
interrupt-parent = <&intc>;
reg = <0x481d8000 0x1000>;
status = "disabled";
};
mmc3: mmc@47810000 {
compatible = "ti,omap4-hsmmc";
ti,hwmods = "mmc3";
ti,needs-special-reset;
interrupts = <29>;
interrupt-parent = <&intc>;
reg = <0x47810000 0x1000>;
status = "disabled";
};