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usb_dc_stm32: improve struct layout.

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Put the one-byte sized fields next to each other to reduce padding.

Signed-off-by: Josh Gao <josh@jmgao.dev>
This commit is contained in:
Josh Gao 2020-03-02 22:52:18 -08:00 • committed by Johan Hedberg
commit b9d2028590
1 changed files with 1 additions and 1 deletions
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drivers/usb/device/usb_dc_stm32.c
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@ -126,8 +126,8 @@ struct usb_dc_stm32_ep_state {
u16_t ep_mps; /** Endpoint max packet size */ u16_t ep_mps; /** Endpoint max packet size */
u16_t ep_pma_buf_len; /** Previously allocated buffer size */ u16_t ep_pma_buf_len; /** Previously allocated buffer size */
u8_t ep_type; /** Endpoint type (STM32 HAL enum) */ u8_t ep_type; /** Endpoint type (STM32 HAL enum) */
usb_dc_ep_callback cb; /** Endpoint callback function */
u8_t ep_stalled; /** Endpoint stall flag */ u8_t ep_stalled; /** Endpoint stall flag */
usb_dc_ep_callback cb; /** Endpoint callback function */
u32_t read_count; /** Number of bytes in read buffer */ u32_t read_count; /** Number of bytes in read buffer */
u32_t read_offset; /** Current offset in read buffer */ u32_t read_offset; /** Current offset in read buffer */
struct k_sem write_sem; /** Write boolean semaphore */ struct k_sem write_sem; /** Write boolean semaphore */