Date: Wed, 27 Sep 2006 20:01:37 GMT From: Warner Losh <imp@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 106795 for review Message-ID: <200609272001.k8RK1bKJ029330@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=106795 Change 106795 by imp@imp_lighthouse on 2006/09/27 20:00:39 wait_for_app_cmd Affected files ... .. //depot/projects/arm/src/sys/dev/mmc/mmc.c#7 edit Differences ... ==== //depot/projects/arm/src/sys/dev/mmc/mmc.c#7 (text+ko) ==== @@ -175,6 +175,31 @@ return (cmd->error); } +static int +mmc_wait_for_app_cmd(struct mmc_softc *sc, uint32_t rca, + struct mmc_command *cmd, int retries) +{ + struct mmc_command appcmd; + int err = MMC_ERR_NONE, i; + + for (i = 0; i <= retries; i++) { + appcmd.opcode = MMC_APP_CMD; + appcmd.arg = rca << 16; + appcmd.flags = MMC_RSP_R1 | MMC_CMD_AC; + mmc_wait_for_cmd(sc, &appcmd, 0); + err = appcmd.error; + if (err != MMC_ERR_NONE) + continue; + if (appcmd.resp[0] & R1_APP_CMD) + return MMC_ERR_FAILED; + mmc_wait_for_cmd(sc, cmd, 0); + err = cmd->error; + if (err == MMC_ERR_NONE) + break; + } + return (err); +} + static void mmc_idle_cards(struct mmc_softc *sc) { @@ -211,7 +236,7 @@ cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR; for (i = 0; i < 100; i++) { - err = mmc_wait_for_cmd(sc, &cmd, CMD_RETRIES); + err = mmc_wait_for_app_cmd(sc, 0, &cmd, CMD_RETRIES); if (err != MMC_ERR_NONE) break; if ((cmd.resp[0] & MMC_OCR_CARD_BUSY) || ocr == 0)
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