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drivers: spi: esp32c6: fix struct type zeroing

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Fix regression caused by memset() replacement to zero volatile struct.
ESP32-C6 data_buf struct differs from other SoCs and needs custom
handling.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
This commit is contained in:
Sylvio Alves 2025-07-11 08:01:13 -03:00 committed by Dan Kalowsky
parent 8fd0b704ab
commit aa7901c078
1 changed files with 5 additions and 0 deletions
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5
drivers/spi/spi_esp32_spim.c
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@ -99,8 +99,13 @@ static int IRAM_ATTR spi_esp32_transfer(const struct device *dev)
/* clean up and prepare SPI hal */
for (size_t i = 0; i < ARRAY_SIZE(hal->hw->data_buf); ++i) {
#ifdef CONFIG_SOC_SERIES_ESP32C6
hal->hw->data_buf[i].val = 0;
#else
hal->hw->data_buf[i] = 0;
#endif
}
hal_trans->send_buffer = tx_temp ? tx_temp : (uint8_t *)ctx->tx_buf;
hal_trans->rcv_buffer = rx_temp ? rx_temp : ctx->rx_buf;
hal_trans->tx_bitlen = bit_len;