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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/05/07 12:42:41 UTC

[GitHub] [incubator-nuttx] gustavonihei commented on a change in pull request #3669: STM32 {F7|H7} Use 250 Ms Data path timeout, regardless of Card Clock frequency

gustavonihei commented on a change in pull request #3669:
URL: https://github.com/apache/incubator-nuttx/pull/3669#discussion_r628179929



##########
File path: arch/arm/src/stm32/stm32_sdio.c
##########
@@ -172,9 +172,14 @@
 #define SDIO_CMDTIMEOUT          (100000)
 #define SDIO_LONGTIMEOUT         (0x7fffffff)
 
-/* Big DTIMER setting */
+/* DTIMER setting
+ *
+ * Assuming Max timeout in bypass 48 Mhz
+ *
+ */
 
-#define SDIO_DTIMER_DATATIMEOUT  (0x000fffff)
+#define IP_CLCK_FREQ 48000000ll

Review comment:
       ```suggestion
   #define IP_CLCK_FREQ UINT32_C(48000000)
   ```
   This macro from `inttypes.h` is not much widespread, but it is a more portable way for defining minimum-width integer constants.




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