Fix possible negative QSPI alt count on STM

Kyle Kearney · Kyle Kearney · commit 9b32c0f316f6 · 2019-09-30T16:00:24.000-07:00
Remove an extraneous decrement operation in cases where the alt
bits size is a multiple of 8.
diff --git a/targets/TARGET_STM/qspi_api.c b/targets/TARGET_STM/qspi_api.c
@@ -305,7 +305,6 @@ qspi_status_t qspi_prepare_command(const qspi_command_t *command, QSPI_CommandTy
             // Align alt value to the end of the most significant byte
             st_command->AlternateBytes = command->alt.value << leftover_bits;
         } else {
-            rounded_size -= 1;
             st_command->AlternateBytes = command->alt.value;
         }
             

Original file line number	Diff line number	Diff line change
`@@ -305,7 +305,6 @@ qspi_status_t qspi_prepare_command(const qspi_command_t *command, QSPI_CommandTy`
`305`	`305`	`// Align alt value to the end of the most significant byte`
`306`	`306`	`st_command->AlternateBytes = command->alt.value << leftover_bits;`
`307`	`307`	`} else {`
`308`		`- rounded_size -= 1;`
`309`	`308`	`st_command->AlternateBytes = command->alt.value;`
`310`	`309`	`}`
`311`	`310`