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author | Gregory Nutt <gnutt@nuttx.org> | 2014-04-13 13:18:06 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2014-04-13 13:18:06 -0600 |
commit | 3900ca5789a408413a6e590683b4babe76ac7fad (patch) | |
tree | 228f5246dcea113238b5925775b9b9ccf8585238 /nuttx/arch/arm/src/kinetis | |
parent | 74a4eb6d1612d63958e14a240cc526c9be8041e0 (diff) | |
download | nuttx-3900ca5789a408413a6e590683b4babe76ac7fad.tar.gz nuttx-3900ca5789a408413a6e590683b4babe76ac7fad.tar.bz2 nuttx-3900ca5789a408413a6e590683b4babe76ac7fad.zip |
Cosmetic changes for coding style; removal of dangling spaces at the end of lines
Diffstat (limited to 'nuttx/arch/arm/src/kinetis')
-rw-r--r-- | nuttx/arch/arm/src/kinetis/kinetis_sdhc.c | 71 |
1 files changed, 38 insertions, 33 deletions
diff --git a/nuttx/arch/arm/src/kinetis/kinetis_sdhc.c b/nuttx/arch/arm/src/kinetis/kinetis_sdhc.c index 4c392cbf8..cf2109130 100644 --- a/nuttx/arch/arm/src/kinetis/kinetis_sdhc.c +++ b/nuttx/arch/arm/src/kinetis/kinetis_sdhc.c @@ -164,7 +164,7 @@ struct kinetis_dev_s { struct sdio_dev_s dev; /* Standard, base SDIO interface */ - + /* Kinetis-specific extensions */ /* Event support */ @@ -733,7 +733,8 @@ static void kinetis_dataconfig(struct kinetis_dev_s *priv, bool bwrite, { watermark = (SDHC_MAX_WATERMARK / 2); } - putreg32(watermark << SDHC_WML_RD_SHIFT, KINETIS_SDHC_WML); + + putreg32(watermark << SDHC_WML_RD_SHIFT, KINETIS_SDHC_WML); } #endif } @@ -825,7 +826,7 @@ static void kinetis_transmit(struct kinetis_dev_s *priv) { data.b[i] = *ptr++; } - + /* Now the transfer is finished */ priv->remaining = 0; @@ -870,7 +871,7 @@ static void kinetis_receive(struct kinetis_dev_s *priv) * queued words is greater than or equal to 1. */ - putreg32(1 << SDHC_WML_RD_SHIFT, KINETIS_SDHC_WML); + putreg32(1 << SDHC_WML_RD_SHIFT, KINETIS_SDHC_WML); /* Loop while there is space to store the data, waiting for buffer read * ready (BRR) @@ -925,7 +926,8 @@ static void kinetis_receive(struct kinetis_dev_s *priv) { watermark = (SDHC_MAX_WATERMARK / 2); } - putreg32(watermark << SDHC_WML_RD_SHIFT, KINETIS_SDHC_WML); + + putreg32(watermark << SDHC_WML_RD_SHIFT, KINETIS_SDHC_WML); fllvdbg("Exit: remaining: %d IRQSTAT: %08x WML: %08x\n", priv->remaining, getreg32(KINETIS_SDHC_IRQSTAT), @@ -1039,7 +1041,7 @@ static void kinetis_endtransfer(struct kinetis_dev_s *priv, sdio_eventset_t wkup kinetis_configxfrints(priv, 0); /* Clearing pending interrupt status on all transfer related interrupts */ - + putreg32(SDHC_XFRDONE_INTS, KINETIS_SDHC_IRQSTAT); /* If this was a DMA transfer, make sure that DMA is stopped */ @@ -1071,7 +1073,7 @@ static void kinetis_endtransfer(struct kinetis_dev_s *priv, sdio_eventset_t wkup } /**************************************************************************** - * Interrrupt Handling + * Interrupt Handling ****************************************************************************/ /**************************************************************************** @@ -1103,9 +1105,9 @@ static int kinetis_interrupt(int irq, void *context) regval = getreg32(KINETIS_SDHC_IRQSIGEN); enabled = getreg32(KINETIS_SDHC_IRQSTAT) & regval; - fllvdbg("IRQSTAT: %08x IRQSIGEN %08x enabled: %08x\n", + fllvdbg("IRQSTAT: %08x IRQSIGEN %08x enabled: %08x\n", getreg32(KINETIS_SDHC_IRQSTAT), regval, enabled); - + /* Disable card interrupts to clear the card interrupt to the host system. */ regval &= ~SDHC_INT_CINT; @@ -1217,7 +1219,7 @@ static int kinetis_interrupt(int irq, void *context) * * Description: * Locks the bus. Function calls low-level multiplexed bus routines to - * resolve bus requests and acknowledgment issues. + * resolve bus requests and acknowledgement issues. * * Input Parameters: * dev - An instance of the SDIO device interface @@ -1230,7 +1232,7 @@ static int kinetis_interrupt(int irq, void *context) #ifdef CONFIG_SDIO_MUXBUS static int kinetis_lock(FAR struct sdio_dev_s *dev, bool lock) -{ +{ /* Single SDIO instance so there is only one possibility. The multiplex * bus is part of board support package. */ @@ -1247,7 +1249,7 @@ static int kinetis_lock(FAR struct sdio_dev_s *dev, bool lock) * Reset the SDIO controller. Undo all setup and initialization. * * Input Parameters: - * dev - An instance of the SDIO device interface + * dev - An instance of the SDIO device interface * * Returned Value: * None @@ -1406,12 +1408,12 @@ static void kinetis_frequency(FAR struct sdio_dev_s *dev, uint32_t frequency) * * For example, if the base clock frequency is 96 MHz, and the target * frequency is 25 MHz, the following logic will select prescaler. - * + * * 96MHz / 2 <= 25MHz <= 96MHz / 2 /16 -- YES, prescaler == 2 * * If the target frequency is 400 kHz, the following logic will select * prescaler: - * + * * 96MHz / 2 <= 400KHz <= 96MHz / 2 / 16 -- NO * 96MHz / 4 <= 400KHz <= 96MHz / 4 / 16 -- NO * 96MHz / 8 <= 400KHz <= 96MHz / 8 / 16 -- NO @@ -1479,7 +1481,7 @@ static void kinetis_frequency(FAR struct sdio_dev_s *dev, uint32_t frequency) * * Or, for example, if the target frequency is 400 kHz and the selected * prescaler is 16, the following* logic will select prescaler: - * + * * prescaled = 96MHz / 16 = 6MHz * divisor = (6MHz + 200KHz) / 400KHz = 15 * @@ -1686,7 +1688,7 @@ static int kinetis_attach(FAR struct sdio_dev_s *dev) putreg32(0, KINETIS_SDHC_IRQSIGEN); putreg32(SDHC_INT_ALL, KINETIS_SDHC_IRQSTAT); - /* Set the interrrupt priority */ + /* Set the interrupt priority */ up_prioritize_irq(KINETIS_IRQ_SDHC, CONFIG_KINETIS_SDHC_PRIO); @@ -1778,7 +1780,7 @@ static int kinetis_sendcmd(FAR struct sdio_dev_s *dev, uint32_t cmd, uint32_t ar } } } - + /* Configure response type bits */ switch (cmd & MMCSD_RESPONSE_MASK) @@ -1790,7 +1792,7 @@ static int kinetis_sendcmd(FAR struct sdio_dev_s *dev, uint32_t cmd, uint32_t ar case MMCSD_R1B_RESPONSE: /* Response length 48, check busy & cmdindex*/ regval |= (SDHC_XFERTYP_RSPTYP_LEN48BSY|SDHC_XFERTYP_CICEN|SDHC_XFERTYP_CCCEN); break; - + case MMCSD_R1_RESPONSE: /* Response length 48, check cmdindex */ case MMCSD_R5_RESPONSE: case MMCSD_R6_RESPONSE: @@ -1988,7 +1990,7 @@ static int kinetis_cancel(FAR struct sdio_dev_s *dev) /* Clearing pending interrupt status on all transfer- and event- related * interrupts */ - + putreg32(SDHC_WAITALL_INTS, KINETIS_SDHC_IRQSTAT); /* Cancel any watchdog timeout */ @@ -2066,7 +2068,7 @@ static int kinetis_waitresponse(FAR struct sdio_dev_s *dev, uint32_t cmd) /* Then wait for the Command Complete (CC) indication (or timeout). The * CC bit is set when the end bit of the command response is received - * (except Auto CMD12). + * (except Auto CMD12). */ while ((getreg32(KINETIS_SDHC_IRQSTAT) & SDHC_INT_CC) == 0) @@ -2117,7 +2119,8 @@ static int kinetis_waitresponse(FAR struct sdio_dev_s *dev, uint32_t cmd) * ****************************************************************************/ -static int kinetis_recvshortcrc(FAR struct sdio_dev_s *dev, uint32_t cmd, uint32_t *rshort) +static int kinetis_recvshortcrc(FAR struct sdio_dev_s *dev, uint32_t cmd, + uint32_t *rshort) { uint32_t regval; int ret = OK; @@ -2130,7 +2133,7 @@ static int kinetis_recvshortcrc(FAR struct sdio_dev_s *dev, uint32_t cmd, uint32 * 7:1 bit6 - bit0 CRC7 * 0 1 End bit * - * R1b Identical to R1 with the additional busy signaling via the data + * R1b Identical to R1 with the additional busy signalling via the data * line. * * R6 Published RCA Response (48-bit, SD card only) @@ -2227,7 +2230,7 @@ static int kinetis_recvlong(FAR struct sdio_dev_s *dev, uint32_t cmd, uint32_t r ret = -EIO; } } - + /* Return the long response in CMDRSP3..0*/ if (rlong) @@ -2326,7 +2329,7 @@ static void kinetis_waitenable(FAR struct sdio_dev_s *dev, { struct kinetis_dev_s *priv = (struct kinetis_dev_s*)dev; uint32_t waitints; - + DEBUGASSERT(priv != NULL); /* Disable event-related interrupts */ @@ -2395,7 +2398,7 @@ static sdio_eventset_t kinetis_eventwait(FAR struct sdio_dev_s *dev, { int delay; - /* Yes.. Handle a cornercase */ + /* Yes.. Handle a corner case */ if (!timeout) { @@ -2428,9 +2431,9 @@ static sdio_eventset_t kinetis_eventwait(FAR struct sdio_dev_s *dev, kinetis_takesem(priv); wkupevent = priv->wkupevent; - + /* Check if the event has occurred. When the event has occurred, then - * evenset will be set to 0 and wkupevent will be set to a nonzero value. + * evenset will be set to 0 and wkupevent will be set to a non-zero value. */ if (wkupevent != 0) @@ -2462,7 +2465,7 @@ static sdio_eventset_t kinetis_eventwait(FAR struct sdio_dev_s *dev, * * Events are automatically disabled once the callback is performed and no * further callback events will occur until they are again enabled by - * calling this methos. + * calling this method. * * Input Parameters: * dev - An instance of the SDIO device interface @@ -2500,7 +2503,7 @@ static void kinetis_callbackenable(FAR struct sdio_dev_s *dev, * * Input Parameters: * dev - Device-specific state data - * callback - The funtion to call on the media change + * callback - The function to call on the media change * arg - A caller provided value to return with the callback * * Returned Value: @@ -2595,7 +2598,7 @@ static int kinetis_dmarecvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer, kinetis_configxfrints(priv, SDHC_DMADONE_INTS); putreg32((uint32_t)buffer, KINETIS_SDHC_DSADDR); - + /* Sample the register state */ kinetis_sample(priv, SAMPLENDX_AFTER_SETUP); @@ -2805,7 +2808,7 @@ FAR struct sdio_dev_s *sdhc_initialize(int slotno) /* Configure pins for 1 or 4-bit, wide-bus operation (the chip is capable * of 8-bit wide bus operation but D4-D7 are not configured). - * + * * If bus is multiplexed then there is a custom bus configuration utility * in the scope of the board support package. */ @@ -2851,13 +2854,13 @@ FAR struct sdio_dev_s *sdhc_initialize(int slotno) * Name: sdhc_mediachange * * Description: - * Called by board-specific logic -- posssible from an interrupt handler -- + * Called by board-specific logic -- possible from an interrupt handler -- * in order to signal to the driver that a card has been inserted or * removed from the slot * * Input Parameters: * dev - An instance of the SDIO driver device state structure. - * cardinslot - true is a card has been detected in the slot; false if a + * cardinslot - true is a card has been detected in the slot; false if a * card has been removed from the slot. Only transitions * (inserted->removed or removed->inserted should be reported) * @@ -2884,6 +2887,7 @@ void sdhc_mediachange(FAR struct sdio_dev_s *dev, bool cardinslot) { priv->cdstatus &= ~SDIO_STATUS_PRESENT; } + fvdbg("cdstatus OLD: %02x NEW: %02x\n", cdstatus, priv->cdstatus); /* Perform any requested callback if the status has changed */ @@ -2892,6 +2896,7 @@ void sdhc_mediachange(FAR struct sdio_dev_s *dev, bool cardinslot) { kinetis_callback(priv); } + irqrestore(flags); } |