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Costmetic update to comments

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This commit is contained in:
Gregory Nutt 2014-07-29 20:03:52 -06:00
parent 941df0945a
commit be8fe9a311
1 changed files with 8 additions and 4 deletions
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12
drivers/mmcsd/mmcsd_sdio.c
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@ -2312,7 +2312,7 @@ static void mmcsd_mediachange(FAR void *arg)
if (SDIO_PRESENT(priv->dev)) if (SDIO_PRESENT(priv->dev))
{ {
/* No... process the card insertion. This could cause chaos if we think /* No... process the card insertion. This could cause chaos if we think
* that a card is already present and there are mounted filesystems! * that a card is already present and there are mounted file systems!
* NOTE that mmcsd_probe() will always re-enable callbacks appropriately. * NOTE that mmcsd_probe() will always re-enable callbacks appropriately.
*/ */
@ -2374,7 +2374,7 @@ static int mmcsd_widebus(FAR struct mmcsd_state_s *priv)
} }
/* Then send ACMD42 with the argument to disconnect the CD/DAT3 /* Then send ACMD42 with the argument to disconnect the CD/DAT3
* pullup * pull-up
* *
* TODO: May want to disable, then re-enable around data transfers * TODO: May want to disable, then re-enable around data transfers
* to support card detection" * to support card detection"
@ -2455,7 +2455,7 @@ static int mmcsd_mmcinitialize(FAR struct mmcsd_state_s *priv)
* slot. * slot.
* *
* Send CMD2, ALL_SEND_CID. This implementation supports only one MMC slot. * Send CMD2, ALL_SEND_CID. This implementation supports only one MMC slot.
* If mulitple cards were installed, each card would respond to CMD2 by * If multiple cards were installed, each card would respond to CMD2 by
* sending its CID (only one card completes the response at a time). The * sending its CID (only one card completes the response at a time). The
* driver should send CMD2 and assign an RCAs until no response to * driver should send CMD2 and assign an RCAs until no response to
* ALL_SEND_CID is received. CMD2 causes transition to identification state/ * ALL_SEND_CID is received. CMD2 causes transition to identification state/
@ -3023,6 +3023,10 @@ static int mmcsd_probe(FAR struct mmcsd_state_s *priv)
SDIO_CALLBACKENABLE(priv->dev, SDIOMEDIA_EJECTED); SDIO_CALLBACKENABLE(priv->dev, SDIOMEDIA_EJECTED);
} }
/* REVISIT: There is a problem here. If mmcsd_initialize() returns a
* failure, then no events are initialized.
*/
} }
/* In any event, we have probed this card */ /* In any event, we have probed this card */
@ -3123,7 +3127,7 @@ static int mmcsd_hwinitialize(FAR struct mmcsd_state_s *priv)
* *
* 1. Mechanical insertion that can be detected using the WP switch * 1. Mechanical insertion that can be detected using the WP switch
* that is closed when a card is inserted into then SD slot (SD * that is closed when a card is inserted into then SD slot (SD
* "hot insertion capable" card conector only) * "hot insertion capable" card connector only)
* 2. Electrical insertion that can be sensed using the pull-up resistor * 2. Electrical insertion that can be sensed using the pull-up resistor
* on CD/DAT3 (both SD/MMC), * on CD/DAT3 (both SD/MMC),
* 3. Or by periodic attempts to initialize the card from software. * 3. Or by periodic attempts to initialize the card from software.