Optimization in write operations of the MMC_SPI driver.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3953 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/hal/src/mmc_spi.c

@@ -665,10 +665,8 @@ bool_t mmcSequentialWrite(MMCDriver *mmcp, const uint8_t *buffer) {
   spiSend(mmcp->spip, MMC_SECTOR_SIZE, buffer);     /* Data.                */
   spiIgnore(mmcp->spip, 2);                         /* CRC ignored.         */
   spiReceive(mmcp->spip, 1, b);
-  if ((b[0] & 0x1F) == 0x05) {
-    wait(mmcp);
+  if ((b[0] & 0x1F) == 0x05)
     return FALSE;
-  }
 
   /* Error.*/
   spiUnselect(mmcp->spip);
@@ -701,6 +699,10 @@ bool_t mmcStopSequentialWrite(MMCDriver *mmcp) {
   }
   chSysUnlock();
 
+  /* Wait completion of the last write operation.*/
+  wait(mmcp);
+
+  /* Semd stop command.*/
   spiSend(mmcp->spip, sizeof(stop), stop);
   spiUnselect(mmcp->spip);
 

todo.txt

@@ -15,6 +15,7 @@ Within 2.5.x:
 * Revision of scheduling strategy for threads at equal priority.
 * Handling of Virtual Timer callbacks out of critical zone.
 * Add normal API (not iclass) variants of the VT functions.
+* MMC_SPI driver speedup.
 - Add the RTC service inside the kernel and port, remove from HAL.
 - Add option to use the RTC counter instead of the systick counter into the
   trace buffer.
@@ -27,7 +28,6 @@ Within 2.5.x:
 - Runtime errors manager in HAL.
 - Critical errors manager in HAL (to replace or complement assertions).
 - Streaming DAC/I2S driver model and STM32 implementation.
-- MMC_SPI driver speedup.
 - USB driver model revision.
 - MAC driver for STM32F107, STM32F2xx, STM32F4xx.
 - STM32 OTG USB cell support for CL, F2, F4 devices.