If the controller doesn't support switch func (opcode 6) then skip
setting this but continue with other settings. This allows us to use a card, albeit at a lower speed.
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parent
f21348ab88
commit
a26bd5343b
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@ -1,4 +1,4 @@
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/* $NetBSD: sdmmc_mem.c,v 1.71 2020/01/04 22:28:26 mlelstv Exp $ */
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/* $NetBSD: sdmmc_mem.c,v 1.72 2020/05/11 09:51:47 jdc Exp $ */
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/* $OpenBSD: sdmmc_mem.c,v 1.10 2009/01/09 10:55:22 jsg Exp $ */
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/*
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@ -45,7 +45,7 @@
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/* Routines for SD/MMC memory cards. */
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: sdmmc_mem.c,v 1.71 2020/01/04 22:28:26 mlelstv Exp $");
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__KERNEL_RCSID(0, "$NetBSD: sdmmc_mem.c,v 1.72 2020/05/11 09:51:47 jdc Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_sdmmc.h"
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@ -833,10 +833,15 @@ sdmmc_mem_sd_init(struct sdmmc_softc *sc, struct sdmmc_function *sf)
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DPRINTF(("%s: switch func mode 0\n", SDMMCDEVNAME(sc)));
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error = sdmmc_mem_sd_switch(sf, 0, 1, 0, &status);
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if (error) {
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if (error == ENOTSUP) {
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/* Not supported by controller */
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goto skipswitchfuncs;
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} else {
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aprint_error_dev(sc->sc_dev,
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"switch func mode 0 failed\n");
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return error;
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}
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}
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support_func = SFUNC_STATUS_GROUP(&status, 1);
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@ -887,6 +892,7 @@ sdmmc_mem_sd_init(struct sdmmc_softc *sc, struct sdmmc_function *sf)
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delay(25);
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}
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}
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skipswitchfuncs:
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/* update bus clock */
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if (sc->sc_busclk > sf->csd.tran_speed)
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