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xtensa/esp32: Use essential boolean expressions on condition statements

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This commit is contained in:
Gustavo Henrique Nihei
2021-03-29 14:06:54 -03:00
committed by Xiang Xiao
parent 5e8eb420b7
commit 77c5995f93
1 changed files with 6 additions and 6 deletions
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arch/xtensa/src/esp32/esp32_spi.c
+6 -6
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@@ -882,7 +882,7 @@ static void esp32_spi_dma_exchange(FAR struct esp32_spi_priv_s *priv,
rp = (uint8_t *)rxbuffer;
}
if (!tp)
if (tp == NULL)
{
tp = rp;
}
@@ -890,7 +890,7 @@ static void esp32_spi_dma_exchange(FAR struct esp32_spi_priv_s *priv,
esp32_spi_reset_regbits(priv, SPI_SLAVE_OFFSET, SPI_TRANS_DONE_M);
esp32_spi_set_regbits(priv, SPI_SLAVE_OFFSET, SPI_INT_EN_M);
while (bytes)
while (bytes != 0)
{
esp32_spi_set_reg(priv, SPI_DMA_IN_LINK_OFFSET, 0);
esp32_spi_set_reg(priv, SPI_DMA_OUT_LINK_OFFSET, 0);
@@ -913,7 +913,7 @@ static void esp32_spi_dma_exchange(FAR struct esp32_spi_priv_s *priv,
tp += n;
if (rp)
if (rp != NULL)
{
esp32_dma_init(s_dma_rxdesc[priv->config->dma_chan - 1],
SPI_DMADESC_NUM, rp, bytes);
@@ -1053,7 +1053,7 @@ static void esp32_spi_poll_exchange(FAR struct esp32_spi_priv_s *priv,
uint32_t w_wd = 0xffff;
uint32_t r_wd;
if (txbuffer)
if (txbuffer != NULL)
{
if (priv->nbits == 8)
{
@@ -1067,7 +1067,7 @@ static void esp32_spi_poll_exchange(FAR struct esp32_spi_priv_s *priv,
r_wd = esp32_spi_poll_send(priv, w_wd);
if (rxbuffer)
if (rxbuffer != NULL)
{
if (priv->nbits == 8)
{
@@ -1474,7 +1474,7 @@ int esp32_spibus_uninitialize(FAR struct spi_dev_s *dev)
flags = enter_critical_section();
if (--priv->refs)
if (--priv->refs != 0)
{
leave_critical_section(flags);
return OK;