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sim/spi: delete invaild cs change with ioctl transfer

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delete invaild cs

Signed-off-by: yezhonghui <yezhonghui@xiaomi.com>
This commit is contained in:
yezhonghui
2025-03-26 14:29:15 +08:00
committed by Xiang Xiao
parent 821299d853
commit 2a57c4818c
1 changed files with 4 additions and 21 deletions
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arch/sim/src/sim/posix/sim_linuxspi.c
+4 -21
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@@ -194,27 +194,10 @@ static int linux_spi_lock(struct spi_dev_s *dev, bool lock)
static void linux_spi_select(struct spi_dev_s *dev, uint32_t devid,
bool selected)
{
if (!selected)
{
struct linux_spi_dev_s *priv = (struct linux_spi_dev_s *)dev;
/* Some members of struct spi_ioc_transfer transfer_data is default 0:
* @speed_hz = 0, thus it's ignored, MAX_SEPPD_HZ will be used.
* @bits_per_word = 0, thus it's ignored, BITS_PER_WORD will be used.
* @delay_usecs = 0, thus thers's no delay before next transfer.
*/
struct spi_ioc_transfer transfer_data =
{
.tx_buf = (unsigned long)NULL,
.rx_buf = (unsigned long)NULL,
.len = 0,
.cs_change = false,
};
host_uninterruptible(ioctl, priv->file, SPI_IOC_MESSAGE(1),
&transfer_data);
}
/**
* linux kernel not supported cs changed command, so the map is not fitting
* and it will send len zero to impact transmission, now we delete it
* */
}
/****************************************************************************